CVE-2026-56866
HighAdvisory
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
- 5,306
- of 18,108 indexed, latest versions
- Container images
- 6,104
- 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 5,306 of 18,108 indexed charts deploy, on 6,104 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| stdlibgolang | go1.13, go1.13.1, go1.13.3, go1.13.4+212 more | 1.26.9 | 6,104 |
| golang-1.19deb | 1.19.8-2 | no fix listed | 1 |
- OSV records
- DEBIAN-CVE-2026-56866GO-2026-6605
- Trending
- Rank 8 in indexed charts, since 9 Oct 2026. See the ranking →
Charts affected
5,306 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| gitfusionepmdedpVerified publisher | 0.6.1 | 1 of 1See more | 352 |
| jenkins-operatorepmdedpVerified publisher | 2.15.3 | 1 of 3See more | 2,789 |
| keycloak-operatorepmdedpVerified publisher | 1.35.0 | 1 of 1See more | 393 |
| nexus-operatorepmdedpVerified publisher | 3.6.0 | 1 of 1See more | 384 |
| perf-operatorepmdedpVerified publisher | 2.13.0 | 1 of 1See more | 1,895 |
| reconcilerepmdedpVerified publisher | 2.12.0 | 1 of 1See more | 3,103 |
| sonar-operatorepmdedpVerified publisher | 3.4.0 | 1 of 1See more | 384 |
| tekton-cacheepmdedpVerified publisher | 0.4.5 | 1 of 2See more | 1,163 |
| tekton-custom-taskepmdedpVerified publisher | 0.2.0 | 1 of 1See more | 1,053 |
| codebase-operatorepmdedp-devVerified publisher | 2.12.0-MDTU-DDM-SNAPSHOT.10 | 1 of 1See more | 3,961 |
| gerrit-operatorepmdedp-devVerified publisher | 2.11.0-MDTU-DDM-SNAPSHOT.2 | 1 of 1See more | 3,947 |
| jenkins-operatorepmdedp-devVerified publisher | 2.11.0-MDTU-DDM-SNAPSHOT.1 | 1 of 1See more | 3,400 |
| keycloak-operatorepmdedp-devVerified publisher | 1.11.0-MDTU-DDM-SNAPSHOT.10 | 1 of 1See more | 3,367 |
| equizequiz | 0.0.1 | 1 of 3See more | 9,787 |
| equizequiz-chart | 0.0.1 | 1 of 3See more | 9,787 |
| erasereraser | 1.4.2 | 1 of 1See more | 372 |
| yopassernail-yopass | 2.0.0 | 1 of 1See more | 1,732 |
| escvmschedulerescvmscheduler | 1.0.7 | 1 of 3See more | 6,303 |
| espocrmespocrmVerified publisher | 1.0.1 | 1 of 2See more | 7,949 |
| etcd-defragetcd-defragVerified publisher | 0.28.1 | 1 of 1See more | 218 |
| armiarmaethereum-helm-chartsVerified publisher | 0.1.2 | 1 of 2See more | 1,836 |
| assertoorethereum-helm-chartsVerified publisher | 1.2.0 | 1 of 1See more | 3,574 |
| authenticatoorethereum-helm-chartsVerified publisher | 0.1.0 | 1 of 1See more | 508 |
| benchmarkoor-apiethereum-helm-chartsVerified publisher | 0.1.0 | 1 of 1See more | 1,430 |
| blob-me-babyethereum-helm-chartsVerified publisher | 0.1.2 | 1 of 1See more | 2,105 |
| buildoor-overviewethereum-helm-chartsVerified publisher | 0.0.1 | 1 of 1See more | 901 |
| cbt-apiethereum-helm-chartsVerified publisher | 0.0.14 | 1 of 1See more | 613 |
| chaos-meshethereum-helm-chartsVerified publisher | 0.0.3 | 4 of 4See more | 16,517 |
| checkpointzethereum-helm-chartsVerified publisher | 0.1.3 | 1 of 1See more | 1,198 |
| contributoorethereum-helm-chartsVerified publisher | 0.0.2 | 1 of 1See more | 1,311 |
| doraethereum-helm-chartsVerified publisher | 1.0.12 | 1 of 2See more | 3,201 |
| dugtrioethereum-helm-chartsVerified publisher | 0.0.7 | 1 of 1See more | 1,812 |
| erpcethereum-helm-chartsVerified publisher | 0.0.4 | 1 of 1See more | 1,452 |
| eth2-fork-monethereum-helm-chartsVerified publisher | 0.1.3 | 1 of 1See more | 2,927 |
| ethereum-address-metrics-exporterethereum-helm-chartsVerified publisher | 0.2.0 | 1 of 1See more | 854 |
| ethereum-metrics-exporterethereum-helm-chartsVerified publisher | 0.2.1 | 1 of 1See more | 322 |
| ethereum-validator-metrics-exporterethereum-helm-chartsVerified publisher | 0.0.1 | 1 of 1See more | 1,192 |
| eth-faucetethereum-helm-chartsVerified publisher | 0.1.1 | 1 of 1See more | 2,777 |
| execution-processorethereum-helm-chartsVerified publisher | 0.0.3 | 1 of 1See more | 1,061 |
| forkmonethereum-helm-chartsVerified publisher | 0.1.6 | 1 of 1See more | 2,434 |
| forkyethereum-helm-chartsVerified publisher | 0.2.0 | 1 of 1See more | 2,335 |
| lodestarethereum-helm-chartsVerified publisher | 1.2.2 | 1 of 2See more | 3,357 |
| nethermindethereum-helm-chartsVerified publisher | 1.1.2 | 1 of 2See more | 673 |
| rpc-proxyethereum-helm-chartsVerified publisher | 0.1.2 | 1 of 1See more | 2,012 |
| rpc-snooperethereum-helm-chartsVerified publisher | 0.0.2 | 1 of 1See more | 2,073 |
| slashoorethereum-helm-chartsVerified publisher | 0.1.0 | 1 of 1See more | 678 |
| spamoorethereum-helm-chartsVerified publisher | 1.0.1 | 1 of 1See more | 1,320 |
| splitoorethereum-helm-chartsVerified publisher | 0.0.1 | 1 of 1See more | 1,776 |
| stubbiesethereum-helm-chartsVerified publisher | 0.0.2 | 1 of 1See more | 1,277 |
| syncoor-serverethereum-helm-chartsVerified publisher | 0.0.1 | 1 of 1See more | 1,432 |
Container images carrying it
6,104 by charts deploying them
A fixed version is listed for 1 of the 2 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| library/ | b70710baceeb | stdlib | 1.26.9 | 1 |
| library/ | b91812c7ee1b | stdlib | 1.26.9 | 1 |
| library/ | f98ac9dd97b0 | stdlib | 1.26.9 | 1 |
| library/ | d0ae1665a1e8 | stdlib | 1.26.9 | 1 |
| library/ | dfa9ba46d14b | stdlib | 1.26.9 | 1 |
| librenms/ | 0920bc9117a8 | stdlib | 1.26.9 | 1 |
| librenms/ | 4f1f3d667cc7 | stdlib | 1.26.9 | 1 |
| librenms/ | 814e3fb8d837 | stdlib | 1.26.9 | 1 |
| lifailon/ | ea37e4b6b952 | stdlib | 1.26.9 | 1 |
| lightstep/ | c800e05e1eff | stdlib | 1.26.9 | 1 |
| linode/ | 09f3282bf53d | stdlib | 1.26.9 | 1 |
| linode/ | ea915835a1c6 | stdlib | 1.26.9 | 1 |
| linuxchina/ | f758e2e567ee | stdlib | 1.26.9 | 1 |
| linuxserver/ | 241009026e6f | stdlib | 1.26.9 | 1 |
| linuxserver/ | 938810eca3d3 | stdlib | 1.26.9 | 1 |
| linuxserver/ | b38cae89eb9d | stdlib | 1.26.9 | 1 |
| linuxserver/ | b7f906899cd3 | stdlib | 1.26.9 | 1 |
| linuxserver/ | bb0510fedc3b | stdlib | 1.26.9 | 1 |
| linuxserver/ | 216ca1ce9da7 | stdlib | 1.26.9 | 1 |
| linuxserver/ | 437a490f7afc | stdlib | 1.26.9 | 1 |
| lishimeng/ | 3d5752dac834 | stdlib | 1.26.9 | 1 |
| lishimeng/ | c79a67657baf | stdlib | 1.26.9 | 1 |
| lishimeng/ | 3d00485e64dc | stdlib | 1.26.9 | 1 |
| lishimeng/ | 3e7d05ded625 | stdlib | 1.26.9 | 1 |
| lishimeng/ | 0970dfe5dc8f | stdlib | 1.26.9 | 1 |
| lishimeng/ | 8145c3dc83c8 | stdlib | 1.26.9 | 1 |
| lishimeng/ | 9b2f8be6c7d3 | stdlib | 1.26.9 | 1 |
| lishimeng/ | e0b8d2d8ca28 | stdlib | 1.26.9 | 1 |
| listmonk/ | bf3903d54a46 | stdlib | 1.26.9 | 1 |
| litestream/ | c5a1e1b01916 | stdlib | 1.26.9 | 1 |
| livekit/ | 1ab01641b366 | stdlib | 1.26.9 | 1 |
| livekit/ | ecf1409c75e0 | stdlib | 1.26.9 | 1 |
| livekit/ | 3602a85840d5 | stdlib | 1.26.9 | 1 |
| livekit/ | 8391fd1b834f | stdlib | 1.26.9 | 1 |
| livekit/ | b1281e66e35e | stdlib | 1.26.9 | 1 |
| lmierzwa/ | 3751e5eed656 | stdlib | 1.26.9 | 1 |
| lmierzwa/ | 57c7f1e63e76 | stdlib | 1.26.9 | 1 |
| lmierzwa/ | d417abe7ddb5 | stdlib | 1.26.9 | 1 |
| lmierzwa/ | f5d0a0ff4062 | stdlib | 1.26.9 | 1 |
| localstack/ | 9d278167f2b7 | stdlib | 1.26.9 | 1 |
| localstack/ | df6b89814326 | stdlib | 1.26.9 | 1 |
| loeken/ | 4ce6abc553b3 | stdlib | 1.26.9 | 1 |
| loftsh/ | 310cc7d690f5 | stdlib | 1.26.9 | 1 |
| loftsh/ | 25deb9bd2683 | stdlib | 1.26.9 | 1 |
| loftsh/ | 023b13bf5898 | stdlib | 1.26.9 | 1 |
| log10x/ | 7d6a79dacd58 | stdlib | 1.26.9 | 1 |
| logiqai/ | 65b996bc7bdc | stdlib | 1.26.9 | 1 |
| logiqai/ | f5b551bca98e | stdlib | 1.26.9 | 1 |
| logiqai/ | 798306811f2d | stdlib | 1.26.9 | 1 |
| logiqai/ | 3e149f6781b8 | stdlib | 1.26.9 | 1 |