StackRadar

CVE-2026-56866

High

Advisory

Published 8 Oct 2026In the index since 9 Oct 2026
Severity
High
worst across findings
CVSS
7.5
base score, highest
EPSS
0.003
22nd percentile
CISA KEV
Not listed
no confirmed exploitation
Charts affected
5,276
of 18,137 indexed, latest versions
Container images
6,115
deployed by those charts
Fix available
1 of 2
affected packages

HTTP/1 client connection desynchronization after CONNECT rejection in net/http

Carried by container images the latest versions of 5,276 of 18,137 indexed charts deploy, on 6,115 images.

Affected packageAffected versionsFixed inImages
stdlibgolanggo1.13, go1.13.1, go1.13.3, go1.13.4+208 more1.26.96,115
golang-1.19deb1.19.8-2no fix listed1
OSV records
DEBIAN-CVE-2026-56866GO-2026-6605
Trending
Rank 12 in indexed charts, since 9 Oct 2026. See the ranking →

Charts affected

5,276 by stars
ChartLatestAffected imagesRadar Score
pacmanpacman-mhVerified publisher0.1.281 of 2See more

pacman pacman-mh 0.1.28

1 of the 2 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
library/mongo:7.0.28-jammy88785f6f665a
stdlib@go1.24.0
1.26.9

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4,299
pact-brokerpact-broker-chart0.2.11 of 2See more

pact-broker pact-broker-chart 0.2.1

1 of the 2 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
pactfoundation/pact-broker:2.100.0.163801b40a4e9
stdlib@go1.14.4
1.26.9

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4,046
pagespages1.0.01 of 3See more

pages pages 1.0.0

1 of the 3 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
library/mysql:8.07dcddc01f13b
stdlib@go1.24.6
1.26.9

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21,570
pagespages101.0.01 of 3See more

pages pages10 1.0.0

1 of the 3 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
library/mysql:8.07dcddc01f13b
stdlib@go1.24.6
1.26.9

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21,570
pagespages1111.0.01 of 3See more

pages pages111 1.0.0

1 of the 3 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
library/mysql:8.07dcddc01f13b
stdlib@go1.24.6
1.26.9

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21,570
pagespages21.0.01 of 3See more

pages pages2 1.0.0

1 of the 3 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
library/mysql:8.07dcddc01f13b
stdlib@go1.24.6
1.26.9

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21,570
pagespages-alexchmielu1.0.01 of 3See more

pages pages-alexchmielu 1.0.0

1 of the 3 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
library/mysql:8.07dcddc01f13b
stdlib@go1.24.6
1.26.9

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21,570
pagespages-alps1.0.01 of 3See more

pages pages-alps 1.0.0

1 of the 3 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
library/mysql:8.07dcddc01f13b
stdlib@go1.24.6
1.26.9

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21,570
pagespages-alstom1.0.01 of 3See more

pages pages-alstom 1.0.0

1 of the 3 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
library/mysql:8.07dcddc01f13b
stdlib@go1.24.6
1.26.9

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21,570
pagespages-ambala1.0.01 of 3See more

pages pages-ambala 1.0.0

1 of the 3 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
library/mysql:8.07dcddc01f13b
stdlib@go1.24.6
1.26.9

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21,570
pagespages-andromeda1.0.01 of 3See more

pages pages-andromeda 1.0.0

1 of the 3 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
library/mysql:8.07dcddc01f13b
stdlib@go1.24.6
1.26.9

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21,570
pagespagesbadami1.0.01 of 3See more

pages pagesbadami 1.0.0

1 of the 3 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
library/mysql:8.07dcddc01f13b
stdlib@go1.24.6
1.26.9

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21,570
pagespages-blackburn1.0.01 of 3See more

pages pages-blackburn 1.0.0

1 of the 3 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
library/mysql:8.07dcddc01f13b
stdlib@go1.24.6
1.26.9

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21,570
pagespages-botes1.0.01 of 3See more

pages pages-botes 1.0.0

1 of the 3 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
library/mysql:8.07dcddc01f13b
stdlib@go1.24.6
1.26.9

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21,570
pagespages-brian1.0.01 of 3See more

pages pages-brian 1.0.0

1 of the 3 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
library/mysql:8.07dcddc01f13b
stdlib@go1.24.6
1.26.9

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21,570
pagespages-buckll1.0.01 of 3See more

pages pages-buckll 1.0.0

1 of the 3 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
library/mysql:8.07dcddc01f13b
stdlib@go1.24.6
1.26.9

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21,570
pagespages-camden1.0.01 of 3See more

pages pages-camden 1.0.0

1 of the 3 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
library/mysql:8.07dcddc01f13b
stdlib@go1.24.6
1.26.9

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21,570
pagespages-camden7711.0.01 of 3See more

pages pages-camden771 1.0.0

1 of the 3 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
library/mysql:8.07dcddc01f13b
stdlib@go1.24.6
1.26.9

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21,570
pagespages-diarmuidkeane1.0.01 of 3See more

pages pages-diarmuidkeane 1.0.0

1 of the 3 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
library/mysql:8.07dcddc01f13b
stdlib@go1.24.6
1.26.9

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21,570
pagespages-draco1.0.01 of 3See more

pages pages-draco 1.0.0

1 of the 3 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
library/mysql:8.07dcddc01f13b
stdlib@go1.24.6
1.26.9

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21,570
pagespages-ellora1.0.01 of 3See more

pages pages-ellora 1.0.0

1 of the 3 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
library/mysql:8.07dcddc01f13b
stdlib@go1.24.6
1.26.9

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21,570
pagespages-finchley1.0.01 of 3See more

pages pages-finchley 1.0.0

1 of the 3 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
library/mysql:8.07dcddc01f13b
stdlib@go1.24.6
1.26.9

Open the chart page →

21,570
pagespages-fornax1.0.01 of 3See more

pages pages-fornax 1.0.0

1 of the 3 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
library/mysql:8.07dcddc01f13b
stdlib@go1.24.6
1.26.9

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21,570
pagespages-harsh1.0.01 of 3See more

pages pages-harsh 1.0.0

1 of the 3 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
library/mysql:8.07dcddc01f13b
stdlib@go1.24.6
1.26.9

Open the chart page →

21,570
pagespagesk1.0.01 of 3See more

pages pagesk 1.0.0

1 of the 3 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
library/mysql:8.07dcddc01f13b
stdlib@go1.24.6
1.26.9

Open the chart page →

21,570
pagespages-microservice-ashim1.0.01 of 3See more

pages pages-microservice-ashim 1.0.0

1 of the 3 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
library/mysql:8.07dcddc01f13b
stdlib@go1.24.6
1.26.9

Open the chart page →

21,570
pagespages-mihai1.0.01 of 3See more

pages pages-mihai 1.0.0

1 of the 3 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
library/mysql:8.07dcddc01f13b
stdlib@go1.24.6
1.26.9

Open the chart page →

21,570
pagespages-nivesh1.0.01 of 3See more

pages pages-nivesh 1.0.0

1 of the 3 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
library/mysql:8.07dcddc01f13b
stdlib@go1.24.6
1.26.9

Open the chart page →

21,570
pagespagessandeepgudu1.0.01 of 3See more

pages pagessandeepgudu 1.0.0

1 of the 3 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
library/mysql:8.07dcddc01f13b
stdlib@go1.24.6
1.26.9

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21,570
pagespages-shubhanker1.0.01 of 3See more

pages pages-shubhanker 1.0.0

1 of the 3 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
library/mysql:8.07dcddc01f13b
stdlib@go1.24.6
1.26.9

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21,570
pagespages-ssharma09091.0.01 of 3See more

pages pages-ssharma0909 1.0.0

1 of the 3 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
library/mysql:8.07dcddc01f13b
stdlib@go1.24.6
1.26.9

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21,570
pagespages-sucharitha1.0.01 of 3See more

pages pages-sucharitha 1.0.0

1 of the 3 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
library/mysql:8.07dcddc01f13b
stdlib@go1.24.6
1.26.9

Open the chart page →

21,570
pagespages-sudhir1.0.01 of 3See more

pages pages-sudhir 1.0.0

1 of the 3 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
library/mysql:8.07dcddc01f13b
stdlib@go1.24.6
1.26.9

Open the chart page →

21,570
pagespages-sushi1.0.01 of 3See more

pages pages-sushi 1.0.0

1 of the 3 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
library/mysql:8.07dcddc01f13b
stdlib@go1.24.6
1.26.9

Open the chart page →

21,570
pagespages-vasanth58141.0.01 of 3See more

pages pages-vasanth5814 1.0.0

1 of the 3 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
library/mysql:8.07dcddc01f13b
stdlib@go1.24.6
1.26.9

Open the chart page →

21,570
pagespages-vjp1.0.01 of 3See more

pages pages-vjp 1.0.0

1 of the 3 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
library/mysql:8.07dcddc01f13b
stdlib@go1.24.6
1.26.9

Open the chart page →

21,570
paguropaguroVerified publisher0.1.21 of 3See more

paguro paguro 0.1.2

1 of the 3 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
ghcr.io/dpicillo/paguro/paguro-node-installer:v0.1.2526c1324e1dc
stdlib@go1.26.6
1.26.9

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229
alistpanghuli0.1.51 of 2See more

alist panghuli 0.1.5

1 of the 2 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
xhofe/alist:v3.24.033f15a31be6c
stdlib@go1.20.5
1.26.9

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2,743
cloudrevepanghuli0.1.01 of 1See more

cloudreve panghuli 0.1.0

1 of the 1 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
cloudreve/cloudreve:3.8.009093aec5a20
stdlib@go1.20
1.26.9

Open the chart page →

3,247
radarr-testpanzer1119Verified publisher0.1.21 of 2See more

radarr-test panzer1119 0.1.2

1 of the 2 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
bitnami/kubectl:latestf7f9e4f64d9e
stdlib@go1.26.8
1.26.9

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1,603
paperclippaperclip-helmVerified publisher0.4.21 of 3See more

paperclip paperclip-helm 0.4.2

1 of the 3 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
library/postgres:17-alpineb0f9560a2de0
stdlib@go1.24.6
1.26.9

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703
paperclip-operatorpaperclip-operatorVerified publisher0.19.11 of 1See more

paperclip-operator paperclip-operator 0.19.1

1 of the 1 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
ghcr.io/paperclipinc/paperclip-operator:v0.19.10984b890eb38
stdlib@go1.25.0
1.26.9

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805
Parpar0.1.01 of 1See more

Par par 0.1.0

1 of the 1 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
ghcr.io/jmcgrath207/par:v0.1.09977511cb142
stdlib@go1.19.10
1.26.9

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1,597
parcaparca4.19.02 of 2See more

parca parca 4.19.0

2 of the 2 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
ghcr.io/parca-dev/parca:v0.20.00d1df8f436f7
stdlib@go1.21.1
1.26.9
ghcr.io/parca-dev/parca-agent:v0.28.06d6794f45f3e
stdlib@go1.21.4
1.26.9

Open the chart page →

4,815
parcaparca-chart0.1.01 of 1See more

parca parca-chart 0.1.0

1 of the 1 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
ghcr.io/parca-dev/parca:v0.20.00d1df8f436f7
stdlib@go1.21.1
1.26.9

Open the chart page →

2,727
parcaparca-rr0.1.02 of 2See more

parca parca-rr 0.1.0

2 of the 2 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
ghcr.io/parca-dev/parca:v0.24.23776500fde82
stdlib@go1.25.1
1.26.9
ghcr.io/parca-dev/parca-agent:v0.42.0adc0eeb4dd05
stdlib@go1.24.7
1.26.9

Open the chart page →

3,501
parcial-1parcial-1-chart1.0.02 of 5See more

parcial-1 parcial-1-chart 1.0.0

2 of the 5 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
registry.k8s.io/ingress-nginx/controller:v1.13.137e489b22ac7
stdlib@go1.24.6
1.26.9
registry.k8s.io/ingress-nginx/kube-webhook-certgen:v1.6.1e63459ec5965
stdlib@go1.24.6
1.26.9

Open the chart page →

5,081
istio-cniparticuleio1.1.01 of 1See more

istio-cni particuleio 1.1.0

1 of the 1 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
gcr.io/istio-testing/install-cni:latestec6f9ea5757b
stdlib@go1.27.0
1.26.9

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1,284
istio-operatorparticuleio1.7.01 of 1See more

istio-operator particuleio 1.7.0

1 of the 1 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
gcr.io/istio-testing/operator:latest8d4576f7b98f
stdlib@go1.22.5
1.26.9

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5,013
scaleway-webhookparticuleio0.0.11 of 1See more

scaleway-webhook particuleio 0.0.1

1 of the 1 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
scaleway/cert-manager-webhook-scaleway:v0.0.1dcc14608d000
stdlib@go1.15.2
1.26.9

Open the chart page →

3,588

Container images carrying it

6,115 by charts deploying them

A fixed version is listed for 1 of the 2 affected packages.

Container imageDigestPackageFixed inUsed by
ghcr.io/upcloudltd/upcloud-csi5af91c663788
stdlib@go1.24.13
1.26.9
1
ghcr.io/upcloud-tools/upcloud-csi:v3.5.0a7ed150ed7e1
stdlib@go1.26.6
1.26.9
1
ghcr.io/uptimy/agent:0.1.8f10c02ed4568
stdlib@go1.27.1
1.26.9
1
ghcr.io/usememos/memos:0.24.04723d86e6797
stdlib@go1.23.6
1.26.9
1
ghcr.io/v6d-io/v6d/kube-rbac-proxy:v0.13.0a2523c532c0c
stdlib@go1.18.3
1.26.9
1
ghcr.io/valkey-io/valkey-operator:v0.7.1bfa3be0b1173
stdlib@go1.26.8
1.26.9
1
ghcr.io/vavallee/bindery:v1.41.028871d79c624
stdlib@go1.26.8
1.26.9
1
ghcr.io/vedooo/reactive-policy:0.4.1d92eda891c91
stdlib@go1.26.7
1.26.9
1
ghcr.io/vincenttaglia/indexer-tools:v3.4.45bae30456ddb
stdlib@go1.19.3
1.26.9
1
ghcr.io/virtuos/s3-exporter:1.0.26bee875150a0
stdlib@go1.26.7
1.26.9
1
ghcr.io/voidmind-io/voidllm:0.0.30c141d554edb0
stdlib@go1.26.5
1.26.9
1
ghcr.io/vojtechpastyrik/muthur:0.10.0b5a06a6e13b9
stdlib@go1.26.1
1.26.9
1
ghcr.io/vojtechpastyrik/muthur-collector:0.11.00a580fe3a032
stdlib@go1.26.1
1.26.9
1
ghcr.io/voyagermesh/crd-manager:v0.1.013fd0cccafe8
stdlib@go1.25.6
1.26.9
1
ghcr.io/voyagermesh/gateway:v1.6.223f4da194134
stdlib@go1.25.5
1.26.9
1
ghcr.io/voyagermesh/gateway:v0.0.1a8a144f14889
stdlib@go1.20.5
1.26.9
1
ghcr.io/voyagermesh/gateway-converter:v0.0.1b92123805584
stdlib@go1.23.1
1.26.9
1
ghcr.io/voyagermesh/voyager:v17.5.04964ceaf9d35
stdlib@go1.25.8
1.26.9
1
ghcr.io/vshn/haproxy-with-mysql:1.0.0a3c27ee3fb2f
stdlib@go1.21.1
1.26.9
1
ghcr.io/vshn/stardog-userrole-operator:v0.3.04774237c9e86
stdlib@go1.22.2
1.26.9
1
ghcr.io/vvanouytsel/jetspotter:1.49.0d6f9149a36db
stdlib@go1.23.12
1.26.9
1
ghcr.io/wachd/wachd:0.4.1805b05c56da94
stdlib@go1.25.10
1.26.9
1
ghcr.io/waldo-vision/migrate:v0.3.6ae31923312ed
stdlib@go1.20.2
1.26.9
1
ghcr.io/warpstreamlabs/bento:1.8.121715979aefa
stdlib@go1.23.10
1.26.9
1
ghcr.io/wasilak/go-hello-world:1.8.366d353e7693f
stdlib@go1.25.4
1.26.9
1
ghcr.io/wei-shaw/claude-relay-service:v1.1.292398c34934453
stdlib@go1.20.12
1.26.9
1
ghcr.io/wgbh-mla/ov-frontend:v1.1.0bfc3118f6565
stdlib@go1.23.7
1.26.9
1
ghcr.io/whitemug/eviction-guard:0.2.3b511e913c5c4
stdlib@go1.27.1
1.26.9
1
ghcr.io/wiremind/bitnami/keycloak:26.5.0-debian-12-r38622ea9e43c0
stdlib@go1.25.5
1.26.9
1
ghcr.io/wiremind/bitnami/redis:8.4.0-debian-12-r31f0f7ddc4370
stdlib@go1.25.5
1.26.9
1
ghcr.io/wiremind/druid-tasks-exporter:v0.4.04755c3fcd5f0
stdlib@go1.21.4
1.26.9
1
ghcr.io/wiremind/koherence:v0.2.39c2afc45c55d
stdlib@go1.22.3
1.26.9
1
ghcr.io/wiremind/ovh-exporter:v2.3.1609f955bd977
stdlib@go1.26.5
1.26.9
1
ghcr.io/wittdennis/calibre-web:1.1.31086aac67a05
stdlib@go1.17.8
1.26.9
1
ghcr.io/wittdennis/homeassistant-otbr:4.2.7df1ba94bd5c0
stdlib@go1.26.5
1.26.9
1
ghcr.io/wjentner/k8s-db-backup-retention:v1.1.08027bb46d1f4
stdlib@go1.23.5
1.26.9
1
ghcr.io/woodenmaiden/relfinderreformedfront:latest344f53763b25
stdlib@go1.21.9
1.26.9
1
ghcr.io/wundergraph/cosmo/controlplane:0.133.149800ff775f3
stdlib@go1.22.3
1.26.9
1
ghcr.io/wundergraph/cosmo/graphqlmetrics:0.33.0efb69ec3330c
stdlib@go1.23.6
1.26.9
1
ghcr.io/wundergraph/cosmo/otelcollector:0.18.15a6fe78d4d15
stdlib@go1.23.6
1.26.9
1
ghcr.io/wundergraph/cosmo/router:0.243.05afcab98d9d7
stdlib@go1.23.12
1.26.9
1
ghcr.io/wundergraph/cosmo/studio:0.111.0454f4384713a
stdlib@go1.20.7
1.26.9
1
ghcr.io/wyrihaximusnet/kubernetes-redis-db-assignment-operator:v1.0.831060be60bec
stdlib@go1.16.15
1.26.9
1
ghcr.io/xmv-solutions-gmbh/cert-manager-webhook-hcloud-zones:0.1.5a7a846bba3e8
stdlib@go1.25.11
1.26.9
1
ghcr.io/yasn77/pgbouncer:v0.0.6cc8c13550e44
stdlib@go1.18.6
1.26.9
1
ghcr.io/ydixken/pgcopydb-operator:v0.21.1654c8622fed1
stdlib@go1.27.0
1.26.9
1
ghcr.io/yeonghoo2/crashloop-operator:0.0.6565d1115e6bd
stdlib@go1.24.9
1.26.9
1
ghcr.io/zak905/kube-ecr-secrets-operator/controller-manager:0.2.11d078e45bac70
stdlib@go1.26.6
1.26.9
1
ghcr.io/zalando/postgres-operator:v2.0.32d3a7ca3950f
stdlib@go1.26.8
1.26.9
1
ghcr.io/zalando/postgres-operator:v1.14.04f40cfc2283b
stdlib@go1.23.4
1.26.9
1

syft 1.42.1 · advisories as of 16 Oct 2026

Corrections: contact@stackradar.io

Catalogue: Artifact Hub · Advisories: OSV · Exploitation: FIRST EPSS, CISA KEV.