StackRadar

CVE-2026-39820

High

Advisory

Published 7 May 2026In the index since 5 Sept 2026
Severity
High
worst across findings
CVSS
7.5
base score, highest
EPSS
0.009
57th percentile
CISA KEV
Not listed
no confirmed exploitation
Charts affected
4,220
of 17,985 indexed, latest versions
Container images
4,750
deployed by those charts
Fix available
1 of 2
affected packages

Quadratic string concatentation in consumeComment in net/mail

Carried by container images the latest versions of 4,220 of 17,985 indexed charts deploy, on 4,750 images.

Affected packageAffected versionsFixed inImages
golang-1.19deb1.19.8-2no fix listed1
stdlibgolanggo1.13, go1.13.1, go1.13.3, go1.13.4+183 more1.25.104,750
OSV records
DEBIAN-CVE-2026-39820GO-2026-4986
Also known as
BIT-golang-2026-39820

Charts affected

4,220 by stars
ChartLatestAffected imagesRadar Score
armiarmaethereum-helm-chartsVerified publisher0.1.21 of 2See more

armiarma ethereum-helm-charts 0.1.2

1 of the 2 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
ethpandaops/armiarma:master1a9c3264f0a9
stdlib@go1.21.8
1.25.10

Open the chart page →

1,162
benchmarkoor-apiethereum-helm-chartsVerified publisher0.1.01 of 1See more

benchmarkoor-api ethereum-helm-charts 0.1.0

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
ghcr.io/ethpandaops/benchmarkoor:latest5470b2ec3161
stdlib@go1.24.13
1.25.10

Open the chart page →

1,135
blob-me-babyethereum-helm-chartsVerified publisher0.1.21 of 1See more

blob-me-baby ethereum-helm-charts 0.1.2

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
ethpandaops/blob-me-baby:latestad26158420dd
stdlib@go1.20.1
1.25.10

Open the chart page →

1,457
chaos-meshethereum-helm-chartsVerified publisher0.0.34 of 4See more

chaos-mesh ethereum-helm-charts 0.0.3

4 of the 4 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
ghcr.io/chaos-mesh/chaos-coredns:v0.2.678dc63bc5b89
stdlib@go1.19.7
1.25.10
ghcr.io/chaos-mesh/chaos-daemon:v2.8.0fb609bc264d9
stdlib@go1.24.4
1.25.10
ghcr.io/chaos-mesh/chaos-dashboard:v2.8.0e7f9e8f1d565
stdlib@go1.24.4
1.25.10
ghcr.io/chaos-mesh/chaos-mesh:v2.8.0091b906a0b13
stdlib@go1.24.4
1.25.10

Open the chart page →

13,153
checkpointzethereum-helm-chartsVerified publisher0.1.31 of 1See more

checkpointz ethereum-helm-charts 0.1.3

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
samcm/checkpointz:latesta66b24a87766
stdlib@go1.25.1
1.25.10

Open the chart page →

710
contributoorethereum-helm-chartsVerified publisher0.0.21 of 1See more

contributoor ethereum-helm-charts 0.0.2

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
ethpandaops/contributoor:latest1edd4074fd79
stdlib@go1.26.1
1.25.10

Open the chart page →

903
dugtrioethereum-helm-chartsVerified publisher0.0.71 of 1See more

dugtrio ethereum-helm-charts 0.0.7

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
ethpandaops/dugtrio:1.0.0e261d1734e9f
stdlib@go1.21.4
1.25.10

Open the chart page →

1,141
erpcethereum-helm-chartsVerified publisher0.0.41 of 1See more

erpc ethereum-helm-charts 0.0.4

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
ghcr.io/erpc/erpc:0.0.49f5654f745d4c
stdlib@go1.23.9
1.25.10

Open the chart page →

921
eth2-fork-monethereum-helm-chartsVerified publisher0.1.31 of 1See more

eth2-fork-mon ethereum-helm-charts 0.1.3

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
ralexstokes/eth2-fork-mon:latestc0d4bbefd31f
stdlib@go1.16.7
1.25.10

Open the chart page →

1,962
ethereum-address-metrics-exporterethereum-helm-chartsVerified publisher0.2.01 of 1See more

ethereum-address-metrics-exporter ethereum-helm-charts 0.2.0

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
ethpandaops/ethereum-address-metrics-exporter:latest431cd3790ed2
stdlib@go1.26.1
1.25.10

Open the chart page →

558
ethereum-metrics-exporterethereum-helm-chartsVerified publisher0.2.11 of 1See more

ethereum-metrics-exporter ethereum-helm-charts 0.2.1

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
samcm/ethereum-metrics-exporter:latest91a2d9a015c1
stdlib@go1.25.8
1.25.10

Open the chart page →

669
ethereum-validator-metrics-exporterethereum-helm-chartsVerified publisher0.0.11 of 1See more

ethereum-validator-metrics-exporter ethereum-helm-charts 0.0.1

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
ethpandaops/ethereum-validator-metrics-exporter:latest38448e9d4aef
stdlib@go1.19.10
1.25.10

Open the chart page →

637
eth-faucetethereum-helm-chartsVerified publisher0.1.11 of 1See more

eth-faucet ethereum-helm-charts 0.1.1

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
chainflag/eth-faucet:latestac642796bcb6
stdlib@go1.17.13
1.25.10

Open the chart page →

2,025
execution-processorethereum-helm-chartsVerified publisher0.0.31 of 1See more

execution-processor ethereum-helm-charts 0.0.3

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
ethpandaops/execution-processor:latest5c4832e9588f
stdlib@go1.25.4
1.25.10

Open the chart page →

715
forkmonethereum-helm-chartsVerified publisher0.1.61 of 1See more

forkmon ethereum-helm-charts 0.1.6

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
holiman/nodemonitor:latest5cd609761065
stdlib@go1.20.3
1.25.10

Open the chart page →

1,693
lodestarethereum-helm-chartsVerified publisher1.2.21 of 2See more

lodestar ethereum-helm-charts 1.2.2

1 of the 2 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
chainsafe/lodestar:latestd717e4193699
stdlib@go1.23.1
1.25.10

Open the chart page →

2,912
rpc-proxyethereum-helm-chartsVerified publisher0.1.21 of 1See more

rpc-proxy ethereum-helm-charts 0.1.2

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
ghcr.io/gochain/rpc-proxy/rpc-proxy:latestca01f5ab95f7
stdlib@go1.23.11
1.25.10

Open the chart page →

1,507
slashoorethereum-helm-chartsVerified publisher0.1.01 of 1See more

slashoor ethereum-helm-charts 0.1.0

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
ethpandaops/slashoor:latesta71967db581f
stdlib@go1.23.12
1.25.10

Open the chart page →

314
splitoorethereum-helm-chartsVerified publisher0.0.11 of 1See more

splitoor ethereum-helm-charts 0.0.1

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
ethpandaops/splitoor:latest989da6bea4bd
stdlib@go1.26.1
1.25.10

Open the chart page →

1,367
stubbiesethereum-helm-chartsVerified publisher0.0.21 of 1See more

stubbies ethereum-helm-charts 0.0.2

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
ethpandaops/stubbies:latest9f1d6aec0d04
stdlib@go1.19.8
1.25.10

Open the chart page →

687
syncoor-serverethereum-helm-chartsVerified publisher0.0.11 of 1See more

syncoor-server ethereum-helm-charts 0.0.1

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
ghcr.io/ethpandaops/syncoor:master233aa9808fc7
stdlib@go1.26.0
1.25.10

Open the chart page →

977
testnet-homepageethereum-helm-chartsVerified publisher0.2.31 of 1See more

testnet-homepage ethereum-helm-charts 0.2.3

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
skylenet/ethereum-testnet-homepage:latest8698903e379f
stdlib@go1.17.2
1.25.10

Open the chart page →

2,714
tracoor-agentethereum-helm-chartsVerified publisher0.0.11 of 1See more

tracoor-agent ethereum-helm-charts 0.0.1

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
ethpandaops/tracoor:latestd8514b9f4c59
stdlib@go1.24.13
1.25.10

Open the chart page →

917
tracoor-serverethereum-helm-chartsVerified publisher0.0.21 of 1See more

tracoor-server ethereum-helm-charts 0.0.2

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
ethpandaops/tracoor:latestd8514b9f4c59
stdlib@go1.24.13
1.25.10

Open the chart page →

917
tracoor-singleethereum-helm-chartsVerified publisher0.0.51 of 2See more

tracoor-single ethereum-helm-charts 0.0.5

1 of the 2 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
ethpandaops/tracoor:latestd8514b9f4c59
stdlib@go1.24.13
1.25.10

Open the chart page →

917
xatu-cbt-apiethereum-helm-chartsVerified publisher0.0.131 of 1See more

xatu-cbt-api ethereum-helm-charts 0.0.13

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
ethpandaops/xatu-cbt-api:latestf7dec2e07091
stdlib@go1.25.1
1.25.10

Open the chart page →

1,285
beeethersphereVerified publisher0.17.41 of 1See more

bee ethersphere 0.17.4

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
ethersphere/bee:2.2.0a884fd84b72f
stdlib@go1.22.7
1.25.10

Open the chart page →

3,690
ethexporterethersphereVerified publisher0.3.01 of 1See more

ethexporter ethersphere 0.3.0

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
darkobas/ethexporter:latest62e6464491ba
stdlib@go1.19.1
1.25.10

Open the chart page →

2,829
ethproxyethersphereVerified publisher0.2.01 of 1See more

ethproxy ethersphere 0.2.0

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
ethersphere/ethproxy:latest3a8a3926caa2
stdlib@go1.18.7
1.25.10

Open the chart page →

1,407
geth-swapethersphereVerified publisher0.6.31 of 2See more

geth-swap ethersphere 0.6.3

1 of the 2 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
ethereum/client-go:v1.10.186d6d12a40465
stdlib@go1.18.2
1.25.10

Open the chart page →

4,909
onboarding-faucetethersphereVerified publisher0.2.01 of 1See more

onboarding-faucet ethersphere 0.2.0

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
ethersphere/onboarding-faucet:0.3.0513154aab230
stdlib@go1.18.2
1.25.10

Open the chart page →

3,381
tokenexporterethersphereVerified publisher0.3.01 of 1See more

tokenexporter ethersphere 0.3.0

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
darkobas/tokenexporter:latesta0349a0eedf0
stdlib@go1.19.1
1.25.10

Open the chart page →

2,829
whatsmyipeugen1.3.21 of 1See more

whatsmyip eugen 1.3.2

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
ghcr.io/eugenmayer/whatsmyip:0.0.14b6700cc0e2d
stdlib@go1.22.1
1.25.10

Open the chart page →

476
whoamieugen1.0.31 of 1See more

whoami eugen 1.0.3

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
traefik/whoami:v1.101699d99cb4b9
stdlib@go1.23.5
1.25.10

Open the chart page →

362
whoami-tlseugen0.1.31 of 1See more

whoami-tls eugen 0.1.3

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
ghcr.io/eugenmayer/whoami-tls:0.1.0477be2d05aba
stdlib@go1.24.1
1.25.10

Open the chart page →

356
evicted-pod-reaperevicted-pod-reaper0.1.01 of 1See more

evicted-pod-reaper evicted-pod-reaper 0.1.0

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
public.ecr.aws/kyos/evicted-pod-reaper:1.0.0b9d047442ce2
stdlib@go1.24.6
1.25.10

Open the chart page →

390
domain_exporterevilgn0me0.1.41 of 1See more

domain_exporter evilgn0me 0.1.4

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
caarlos0/domain_exporter:v1.23.0d11dec138900
stdlib@go1.21.6
1.25.10

Open the chart page →

1,272
ingressmonitorcontrollerevilgn0me0.0.51 of 1See more

ingressmonitorcontroller evilgn0me 0.0.5

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
ghcr.io/evilgn0me/ingressmonitorcontroller:v0.0.50bbfa4db14b9
stdlib@go1.24.13
1.25.10

Open the chart page →

593
supportpalevilgn0me0.1.61 of 1See more

supportpal evilgn0me 0.1.6

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
public.ecr.aws/supportpal/helpdesk-monolithic:4.0.4573779e57fae
stdlib@go1.18.1
1.25.10

Open the chart page →

21,697
pgbouncerevilmartians0.2.01 of 2See more

pgbouncer evilmartians 0.2.0

1 of the 2 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
quay.io/evl.ms/pgbouncer-exporter:0.4.074f919b78494
stdlib@go1.14.4
1.25.10

Open the chart page →

1,843
preview-appsevilmartians0.4.01 of 1See more

preview-apps evilmartians 0.4.0

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
quay.io/mittwald/kubernetes-replicator:v2.10.0b79e77d421d0
stdlib@go1.20.14
1.25.10

Open the chart page →

631
preview-apps-infrastructureevilmartians0.7.01 of 1See more

preview-apps-infrastructure evilmartians 0.7.0

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
quay.io/mittwald/kubernetes-replicator:v2.11.13185496b3af3
stdlib@go1.24.1
1.25.10

Open the chart page →

446
cloudflaredewatkinsVerified publisher0.1.01 of 1See more

cloudflared ewatkins 0.1.0

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
cloudflare/cloudflared:2024.11.1665dda65335e
stdlib@go1.22.5-devel-cf
1.25.10

Open the chart page →

1,264
exa-csiexa-csi-driver0.2.0-rev26 of 6See more

exa-csi exa-csi-driver 0.2.0-rev2

6 of the 6 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
quay.io/ddn/exascaler-csi-file-driver:v2.2.6fe2e2e5a2751
stdlib@go1.23.0
1.25.10
registry.k8s.io/sig-storage/csi-attacher:v4.5.19dcd469f02bb
stdlib@go1.21.5
1.25.10
registry.k8s.io/sig-storage/csi-node-driver-registrar:v2.10.1f25af73ee708
stdlib@go1.21.5
1.25.10
registry.k8s.io/sig-storage/csi-provisioner:v4.0.1bf5a235b67d8
stdlib@go1.21.5
1.25.10
registry.k8s.io/sig-storage/csi-resizer:v1.10.14ecda2818f6d
stdlib@go1.21.5
1.25.10
registry.k8s.io/sig-storage/csi-snapshotter:v5.0.189e900a160a9
stdlib@go1.17.3
1.25.10

Open the chart page →

7,144
exchange-hackexchange-hack0.1.01 of 1See more

exchange-hack exchange-hack 0.1.0

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
oranhack7/solidproject:77c6453942223f
stdlib@go1.21.7
1.25.10

Open the chart page →

820
express-ts-app-helm-chartsexpress-ts-app-helm-chartsVerified publisher1.0.03 of 4See more

express-ts-app-helm-charts express-ts-app-helm-charts 1.0.0

3 of the 4 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
grafana/loki:2.9.66ca6e2cd3b6f
stdlib@go1.21.3
1.25.10
grafana/loki-canary:2.9.6549a40203e97
stdlib@go1.21.3
1.25.10
grafana/promtail:3.5.165bfae480b57
stdlib@go1.24.3
1.25.10

Open the chart page →

6,100
extended-ceph-exporterextended-ceph-exporterVerified publisher1.10.01 of 2See more

extended-ceph-exporter extended-ceph-exporter 1.10.0

1 of the 2 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
galexrt/extended-ceph-exporter:v1.8.05373078a3a08
stdlib@go1.24.8
1.25.10

Open the chart page →

3,574
extractedprismextractedprismVerified publisher0.2.01 of 1See more

extractedprism extractedprism 0.2.0

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
ghcr.io/lexfrei/extractedprism:v0.3.0d10417753727
stdlib@go1.26.0
1.25.10

Open the chart page →

289
siyuanextrim-helm-chartsVerified publisher0.1.11 of 2See more

siyuan extrim-helm-charts 0.1.1

1 of the 2 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
b3log/siyuan:v3.1.2595c0d129bc19
stdlib@go1.24.1
1.25.10

Open the chart page →

1,509
faasnetfaasnet0.0.42 of 5See more

faasnet faasnet 0.0.4

2 of the 5 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
simpleidserver/faasprometheus:0.0.425e378d57d78
stdlib@go1.17.1
1.25.10
mcr.microsoft.com/mssql/server:latest2b5b58162112
stdlib@go1.26.1
1.25.10

Open the chart page →

7,617

Container images carrying it

4,750 by charts deploying them

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

No deployed image carries CVE-2026-39820.

syft 1.42.1 · advisories as of 1 Oct 2026

Corrections: contact@stackradar.io

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