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
5,339
of 18,108 indexed, latest versions
Container images
6,174
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 5,339 of 18,108 indexed charts deploy, on 6,174 images.

Affected packageAffected versionsFixed inImages
stdlibgolanggo1.13, go1.13.1, go1.13.3, go1.13.4+212 more1.26.96,174
golang-1.19deb1.19.8-2no fix listed1
OSV records
DEBIAN-CVE-2026-56866GO-2026-6605
Trending
Rank 9 in indexed charts, since 9 Oct 2026. See the ranking →

Charts affected

5,339 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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4,250
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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4,047
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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21,318
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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21,318
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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21,318
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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21,318
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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21,318
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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21,318
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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21,318
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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21,318
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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21,318
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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21,318
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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21,318
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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21,318
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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21,318
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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21,318
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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21,318
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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21,318
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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21,318
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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21,318
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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21,318
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 →

21,318
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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21,318
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 →

21,318
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 →

21,318
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

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21,318
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 →

21,318
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 →

21,318
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

Open the chart page →

21,318
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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21,318
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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21,318
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 →

21,318
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 →

21,318
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 →

21,318
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 →

21,318
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 →

21,318
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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2,744
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

Open the chart page →

1,579
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

Open the chart page →

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 →

4,799
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 →

2,719
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 →

3,497
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 →

5,058
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

Open the chart page →

1,231
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

Open the chart page →

4,950
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 →

3,589

Container images carrying it

6,174 by charts deploying them

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

Container imageDigestPackageFixed inUsed by
czerwonk/ping_exporter:v1.2.02a35a0584608
stdlib@go1.26.0
1.26.9
1
czerwonk/ping_exporter:v1.1.394f51e1ef1e2
stdlib@go1.22.1
1.26.9
1
dabealu/zookeeper-exporter:latest86106fec315f
stdlib@go1.14.15
1.26.9
1
dagster/dagster-cloud-agent:1.13.26c9320c34f7ed
stdlib@go1.25.7
1.26.9
1
dalf/filtron:latestb19cbf5b2f37
stdlib@go1.18.2
1.26.9
1
dalf/morty:latest248a4849c350
stdlib@go1.18.2
1.26.9
1
danielfm/kube-ecr-cleanup-controller:0.1.1012485563b1d0
stdlib@go1.19.6
1.26.9
1
danielqsj/kafka-exporter:v1.7.0e90b7ba06d97
stdlib@go1.20.4
1.26.9
1
dannielkil/book-db:latest433290c5c1db
stdlib@go1.18.2
1.26.9
1
danroux/sk8l-api:v0.19.0dee851fc72cc
stdlib@go1.26.4-X:loopvar
1.26.9
1
danuk/k8s-sftp-gcs:latestdd0e6585c44f
stdlib@go1.18.4
1.26.9
1
daprio/dashboard:0.15.04be696707bd1
stdlib@go1.21.13
1.26.9
1
daprio/dashboard:0.14.07ba5d51e5b97
stdlib@go1.19.13
1.26.9
1
daprio/injector:1.11.2763b9b70b0c8
stdlib@go1.20.6
1.26.9
1
daprio/operator:1.11.2c584428aa12d
stdlib@go1.20.6
1.26.9
1
daprio/placement:1.11.2d8e1446da996
stdlib@go1.20.6
1.26.9
1
daprio/sentry:1.11.21f507c1a181b
stdlib@go1.20.6
1.26.9
1
darioackermann/cert-manager-webhook-regery:latest0d450bc4acc4
stdlib@go1.22.10
1.26.9
1
darkobas/ethexporter:latest62e6464491ba
stdlib@go1.19.1
1.26.9
1
darkobas/tokenexporter:latestf26e016a9d7e
stdlib@go1.27.1
1.26.9
1
darthsim/imgproxy:v3.30.13b709e4a0e5e
stdlib@go1.25.1
1.26.9
1
darthsim/imgproxy:v3.15.040f6eb807444
stdlib@go1.20
1.26.9
1
darthsim/imgproxy:v3.26476cb08c816a
stdlib@go1.23.2
1.26.9
1
darthsim/imgproxy:v3.29.17d12c7c8fc66
stdlib@go1.24.3
1.26.9
1
darthsim/imgproxy:latestc0d8c00be50c
stdlib@go1.27.1
1.26.9
1
dashops/dash-ops:latest23537693ff05
stdlib@go1.25.10
1.26.9
1
dasmeta/mongodb-bi-connector:1.0.3fa657960dfec
stdlib@go1.16.9
1.26.9
1
datadog/agent:7.22.08f20e56b5311
stdlib@go1.13.11
1.26.9
1
datadog/agent:6aad9994de6a7
stdlib@go1.21.11
1.26.9
1
datadog/extendeddaemonset:v0.8.0513a4377aed5
stdlib@go1.15.15
1.26.9
1
datadog/operator:0.3.117f08a860090
stdlib@go1.15.2
1.26.9
1
datamate/seafile-professional:11.0.202dd66b722464
stdlib@go1.21.4
1.26.9
1
datappeal/hive-metastore:lateste38c085a3567
stdlib@go1.13.4
1.26.9
1
datappeal/trino-exporter:latest325b91c2b09e
stdlib@go1.16.15
1.26.9
1
datappeal/trino-loadbalancer:sha-950abbae6b5b9fdb2e6d
stdlib@go1.17.13
1.26.9
1
datasaker/dsk-container-agent:latest08b52999f67b
stdlib@go1.21.0
1.26.9
1
datasaker/dsk-k8s-agent:latest2542ee73be51
stdlib@go1.19.1
1.26.9
1
datasaker/dsk-kube-state-agent:latestd6d2eb48589d
stdlib@go1.21.0
1.26.9
1
datasaker/dsk-node-agent:latest1b95913b6729
stdlib@go1.21.4
1.26.9
1
datasaker/dsk-process-agent:latest2f38720a637d
stdlib@go1.21.0
1.26.9
1
datawire/aes:2.0.3-ea07f8fe4f4f8e
stdlib@go1.15
1.26.9
1
datawire/aes:1.13.62beb65062c8b
stdlib@go1.15
1.26.9
1
datawire/aes:3.11.195ec30b3c732
stdlib@go1.22.4
1.26.9
1
datawire/ambassador-operator:v1.3.0f95ae710d75c
stdlib@go1.16.5
1.26.9
1
datawire/emissary:2.0.2-ea9716efbdd24b
stdlib@go1.15
1.26.9
1
ddefrancesco/scoperunner-server:0.2.1daaac6657600
stdlib@go1.21.10
1.26.9
1
ddosify/alaz:v0.12.0ea602056d9ce
stdlib@go1.22.5
1.26.9
1
ddosify/selfhosted_hammer:2.0.0181965edb12e
stdlib@go1.18.1
1.26.9
1
ddosify/selfhosted_hammer:1.4.2a97a1b8a66af
stdlib@go1.18.1
1.26.9
1
ddvk/rmfakecloud:latest2f5c45cbf0c5
stdlib@go1.26.3
1.26.9
1

syft 1.42.1 · advisories as of 13 Oct 2026

Corrections: contact@stackradar.io

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