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
- 5,533
- of 18,090 indexed, latest versions
- Container images
- 6,378
- deployed by those charts
- Fix available
- 2 of 3
- affected packages
HTTP/1 client connection desynchronization after CONNECT rejection in net/http
Carried by container images the latest versions of 5,533 of 18,090 indexed charts deploy, on 6,378 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 | 6,378 |
| golang-1.19deb | 1.19.8-2 | no fix listed | 1 |
| ingress-nginx-controller-1.15apk | 1.15.10-r3 | 1.15.10-r8 | 1 |
- OSV records
- CGA-54v4-442r-c4x8DEBIAN-CVE-2026-56866GO-2026-6605
- Also known as
- CGA-h688-8p8g-gxgc, CGA-hmf8-6fq9-3ghf, CGA-m9cf-cw7m-mrq2, CGA-q4hr-6p8w-58w4, CGA-vrj7-cmwf-3pg8
- Trending
- Rank 8 in indexed charts, since 9 Oct 2026. See the ranking →
Charts affected
5,533 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| gerrit-operatorepmdedpVerified publisher | 2.25.0 | 1 of 2See more | 1,634 |
| 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 | 1,894 |
| reconcilerepmdedpVerified publisher | 2.12.0 | 1 of 1See more | 3,098 |
| 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 | 3,956 |
| gerrit-operatorepmdedp-devVerified publisher | 2.11.0-MDTU-DDM-SNAPSHOT.2 | 1 of 1See more | 3,942 |
| jenkins-operatorepmdedp-devVerified publisher | 2.11.0-MDTU-DDM-SNAPSHOT.1 | 1 of 1See more | 3,395 |
| keycloak-operatorepmdedp-devVerified publisher | 1.11.0-MDTU-DDM-SNAPSHOT.10 | 1 of 1See more | 3,362 |
| equizequiz | 0.0.1 | 1 of 3See more | 9,781 |
| equizequiz-chart | 0.0.1 | 1 of 3See more | 9,781 |
| erasereraser | 1.4.2 | 1 of 1See more | 372 |
| yopassernail-yopass | 2.0.0 | 1 of 1See more | 1,733 |
| escvmschedulerescvmscheduler | 1.0.7 | 1 of 3See more | 6,299 |
| 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 | 1,835 |
| assertoorethereum-helm-chartsVerified publisher | 1.2.0 | 1 of 1See more | 3,575 |
| 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 | 2,104 |
| buildoor-overviewethereum-helm-chartsVerified publisher | 0.0.1 | 1 of 1See more | 902 |
| 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 | 16,513 |
| 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 | 2,923 |
| 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 | 2,773 |
| 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 | 2,336 |
| lodestarethereum-helm-chartsVerified publisher | 1.2.2 | 1 of 2See more | 3,358 |
| 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 | 2,074 |
| slashoorethereum-helm-chartsVerified publisher | 0.1.0 | 1 of 1See more | 678 |
| spamoorethereum-helm-chartsVerified publisher | 1.0.1 | 1 of 1See more | 1,321 |
| splitoorethereum-helm-chartsVerified publisher | 0.0.1 | 1 of 1See more | 1,777 |
| stubbiesethereum-helm-chartsVerified publisher | 0.0.2 | 1 of 1See more | 1,277 |
Container images carrying it
6,378 by charts deploying them
A fixed version is listed for 2 of the 3 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| passbolt/ | 655547e17263 | stdlib | 1.26.9 | 2 |
| percona/ | 904458d04a18 | stdlib | 1.26.9 | 2 |
| percona/ | ac4d0995c71e | stdlib | 1.26.9 | 2 |
| pgautoupgrade/ | 2245aabc5b80 | stdlib | 1.26.9 | 2 |
| pgsty/ | cfc83108c3ab | stdlib | 1.26.9 | 2 |
| pgsty/ | b6bfe7239bfc | stdlib | 1.26.9 | 2 |
| pgvector/ | 7b822b0aac60 | stdlib | 1.26.9 | 2 |
| pgvector/ | 9d2e61c7352b | stdlib | 1.26.9 | 2 |
| phntom/ | 3b82358bd56e | stdlib | 1.26.9 | 2 |
| place1/ | 2b2f3ea80ed6 | stdlib | 1.26.9 | 2 |
| polyaxon/ | 7664c1cebb9d | stdlib | 1.26.9 | 2 |
| postgis/ | a2fc46b52819 | stdlib | 1.26.9 | 2 |
| pottava/ | 20a0bcb15f76 | stdlib | 1.26.9 | 2 |
| prom/ | 1ffc3f109eb3 | stdlib | 1.26.9 | 2 |
| prom/ | c1a266f63a84 | stdlib | 1.26.9 | 2 |
| prom/ | 995c80e3ffbe | stdlib | 1.26.9 | 2 |
| prom/ | 42d2395cd719 | stdlib | 1.26.9 | 2 |
| prom/ | 5c435642ca4d | stdlib | 1.26.9 | 2 |
| prom/ | 8176adea328e | stdlib | 1.26.9 | 2 |
| prom/ | a67e5e402ff5 | stdlib | 1.26.9 | 2 |
| prom/ | d43417c260e5 | stdlib | 1.26.9 | 2 |
| prom/ | e4ca62c0d62f | stdlib | 1.26.9 | 2 |
| prom/ | c0d39b8d4cfe | stdlib | 1.26.9 | 2 |
| qmcgaw/ | 3e2aa558946b | stdlib | 1.26.9 | 2 |
| rajnandan1/ | 30407afca731 | stdlib | 1.26.9 | 2 |
| rancher/ | cfc3c7284882 | stdlib | 1.26.9 | 2 |
| rancher/ | 9380f5dbae9a | stdlib | 1.26.9 | 2 |
| rancher/ | 12889bbcd1e8 | stdlib | 1.26.9 | 2 |
| rancher/ | 06c7a7a97727 | stdlib | 1.26.9 | 2 |
| rancher/ | 34ff0847cc47 | stdlib | 1.26.9 | 2 |
| rancher/ | 9bebefa0b908 | stdlib | 1.26.9 | 2 |
| rclone/ | 74c51b8817e5 | stdlib | 1.26.9 | 2 |
| ribbybibby/ | 718abe7f5e79 | stdlib | 1.26.9 | 2 |
| rookout/ | 4451a6f6b8ec | stdlib | 1.26.9 | 2 |
| rookout/ | 51c0fce64467 | stdlib | 1.26.9 | 2 |
| rotationalio/ | 0fc322d2dfc5 | stdlib | 1.26.9 | 2 |
| rss3/ | dae8a5bdd7a6 | stdlib | 1.26.9 | 2 |
| rss3/ | a4059dd32c48 | stdlib | 1.26.9 | 2 |
| scaleway/ | dcc14608d000 | stdlib | 1.26.9 | 2 |
| seafileltd/ | d0c66e4621bd | stdlib | 1.26.9 | 2 |
| shlinkio/ | 844e1f2b6455 | stdlib | 1.26.9 | 2 |
| sikalabs/ | 5f49bf889a64 | stdlib | 1.26.9 | 2 |
| squareup/ | 70f4cf270425 | stdlib | 1.26.9 | 2 |
| starrocks/ | 8c20435a7579 | stdlib | 1.26.9 | 2 |
| statping/ | e874da513a5c | stdlib | 1.26.9 | 2 |
| streamnative/ | 0e6d7aa3ef32 | stdlib | 1.26.9 | 2 |
| supporttools/ | f4f775dd43b9 | stdlib | 1.26.9 | 2 |
| syncthing/ | 775c4aac4862 | stdlib | 1.26.9 | 2 |
| taigaio/ | 4beed8f62c9f | stdlib | 1.26.9 | 2 |
| taigaio/ | fd4568a97a59 | stdlib | 1.26.9 | 2 |