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
- 5,295
- of 18,117 indexed, latest versions
- Container images
- 6,105
- 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 5,295 of 18,117 indexed charts deploy, on 6,105 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 | 6,105 |
| golang-1.19deb | 1.19.8-2 | no fix listed | 1 |
- OSV records
- DEBIAN-CVE-2026-56866GO-2026-6605
- Trending
- Rank 9 in indexed charts, since 9 Oct 2026. See the ranking →
Charts affected
5,295 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| codebase-operatorepmdedp-devVerified publisher | 2.12.0-MDTU-DDM-SNAPSHOT.10 | 1 of 1See more | 3,968 |
| gerrit-operatorepmdedp-devVerified publisher | 2.11.0-MDTU-DDM-SNAPSHOT.2 | 1 of 1See more | 3,955 |
| jenkins-operatorepmdedp-devVerified publisher | 2.11.0-MDTU-DDM-SNAPSHOT.1 | 1 of 1See more | 3,407 |
| keycloak-operatorepmdedp-devVerified publisher | 1.11.0-MDTU-DDM-SNAPSHOT.10 | 1 of 1See more | 3,374 |
| equizequiz | 0.0.1 | 1 of 3See more | 9,794 |
| equizequiz-chart | 0.0.1 | 1 of 3See more | 9,794 |
| erasereraser | 1.4.2 | 1 of 1See more | 379 |
| yopassernail-yopass | 2.0.0 | 1 of 1See more | 1,740 |
| escvmschedulerescvmscheduler | 1.0.7 | 1 of 3See more | 6,316 |
| espocrmespocrmVerified publisher | 1.0.1 | 1 of 2See more | 7,955 |
| etcd-defragetcd-defragVerified publisher | 0.28.1 | 1 of 1See more | 226 |
| armiarmaethereum-helm-chartsVerified publisher | 0.1.2 | 1 of 2See more | 1,843 |
| assertoorethereum-helm-chartsVerified publisher | 1.2.0 | 1 of 1See more | 3,579 |
| authenticatoorethereum-helm-chartsVerified publisher | 0.1.0 | 1 of 1See more | 515 |
| benchmarkoor-apiethereum-helm-chartsVerified publisher | 0.1.0 | 1 of 1See more | 1,438 |
| blob-me-babyethereum-helm-chartsVerified publisher | 0.1.2 | 1 of 1See more | 2,112 |
| buildoor-overviewethereum-helm-chartsVerified publisher | 0.0.1 | 1 of 1See more | 909 |
| cbt-apiethereum-helm-chartsVerified publisher | 0.0.14 | 1 of 1See more | 621 |
| chaos-meshethereum-helm-chartsVerified publisher | 0.0.3 | 4 of 4See more | 16,542 |
| checkpointzethereum-helm-chartsVerified publisher | 0.1.3 | 1 of 1See more | 1,205 |
| contributoorethereum-helm-chartsVerified publisher | 0.0.2 | 1 of 1See more | 1,318 |
| doraethereum-helm-chartsVerified publisher | 1.0.12 | 1 of 2See more | 3,208 |
| dugtrioethereum-helm-chartsVerified publisher | 0.0.7 | 1 of 1See more | 1,820 |
| erpcethereum-helm-chartsVerified publisher | 0.0.4 | 1 of 1See more | 1,460 |
| eth2-fork-monethereum-helm-chartsVerified publisher | 0.1.3 | 1 of 1See more | 2,934 |
| ethereum-address-metrics-exporterethereum-helm-chartsVerified publisher | 0.2.0 | 1 of 1See more | 862 |
| ethereum-metrics-exporterethereum-helm-chartsVerified publisher | 0.2.1 | 1 of 1See more | 329 |
| ethereum-validator-metrics-exporterethereum-helm-chartsVerified publisher | 0.0.1 | 1 of 1See more | 1,199 |
| eth-faucetethereum-helm-chartsVerified publisher | 0.1.1 | 1 of 1See more | 2,784 |
| execution-processorethereum-helm-chartsVerified publisher | 0.0.3 | 1 of 1See more | 1,068 |
| forkmonethereum-helm-chartsVerified publisher | 0.1.6 | 1 of 1See more | 2,442 |
| forkyethereum-helm-chartsVerified publisher | 0.2.0 | 1 of 1See more | 2,343 |
| lodestarethereum-helm-chartsVerified publisher | 1.2.2 | 1 of 2See more | 3,363 |
| nethermindethereum-helm-chartsVerified publisher | 1.1.2 | 1 of 2See more | 680 |
| rpc-proxyethereum-helm-chartsVerified publisher | 0.1.2 | 1 of 1See more | 2,019 |
| rpc-snooperethereum-helm-chartsVerified publisher | 0.0.2 | 1 of 1See more | 2,081 |
| slashoorethereum-helm-chartsVerified publisher | 0.1.0 | 1 of 1See more | 685 |
| spamoorethereum-helm-chartsVerified publisher | 1.0.1 | 1 of 1See more | 1,328 |
| splitoorethereum-helm-chartsVerified publisher | 0.0.1 | 1 of 1See more | 1,784 |
| stubbiesethereum-helm-chartsVerified publisher | 0.0.2 | 1 of 1See more | 1,284 |
| syncoor-serverethereum-helm-chartsVerified publisher | 0.0.1 | 1 of 1See more | 1,439 |
| testnet-homepageethereum-helm-chartsVerified publisher | 0.2.3 | 1 of 1See more | 3,851 |
| tracoor-agentethereum-helm-chartsVerified publisher | 0.0.1 | 1 of 1See more | 566 |
| tracoor-serverethereum-helm-chartsVerified publisher | 0.0.2 | 1 of 1See more | 566 |
| tracoor-singleethereum-helm-chartsVerified publisher | 0.0.5 | 1 of 2See more | 566 |
| web3signerethereum-helm-chartsVerified publisher | 1.0.6 | 1 of 4See more | 705 |
| xatuethereum-helm-chartsVerified publisher | 0.0.1 | 1 of 1See more | 668 |
| xatu-cannonethereum-helm-chartsVerified publisher | 0.2.2 | 1 of 1See more | 668 |
| xatu-cbt-apiethereum-helm-chartsVerified publisher | 0.0.13 | 1 of 1See more | 1,756 |
| xatu-cl-mimicryethereum-helm-chartsVerified publisher | 0.0.2 | 1 of 1See more | 668 |
Container images carrying it
6,105 by charts deploying them
A fixed version is listed for 1 of the 2 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| velero/ | e4d1e79be2ee | stdlib | 1.26.9 | 1 |
| velero/ | 3d2ea7aab32d | stdlib | 1.26.9 | 1 |
| velero/ | 7e82f717f44e | stdlib | 1.26.9 | 1 |
| venturenox/ | 83b471c193ba | stdlib | 1.26.9 | 1 |
| venturenox/ | c11d32f18718 | stdlib | 1.26.9 | 1 |
| versity/ | 30292fc2eeac | stdlib | 1.26.9 | 1 |
| versity/ | 5192635d0353 | stdlib | 1.26.9 | 1 |
| versity/ | f730e0dbc1ef | stdlib | 1.26.9 | 1 |
| vespaengine/ | 69b160f58211 | stdlib | 1.26.9 | 1 |
| victoriametrics/ | 716b89a3ed79 | stdlib | 1.26.9 | 1 |
| victoriametrics/ | 71be93cfafb6 | stdlib | 1.26.9 | 1 |
| victoriametrics/ | f52e1bd679cb | stdlib | 1.26.9 | 1 |
| victoriametrics/ | d7435244eb19 | stdlib | 1.26.9 | 1 |
| victoriametrics/ | 77a9815d0640 | stdlib | 1.26.9 | 1 |
| victoriametrics/ | a1cb2f3dfd45 | stdlib | 1.26.9 | 1 |
| victoriametrics/ | b50d5c0153f9 | stdlib | 1.26.9 | 1 |
| victoriametrics/ | f52723a08a44 | stdlib | 1.26.9 | 1 |
| victoriametrics/ | 150cd08fde94 | stdlib | 1.26.9 | 1 |
| victoriametrics/ | ccf603552de2 | stdlib | 1.26.9 | 1 |
| vientoprojects/ | eb2a71531741 | stdlib | 1.26.9 | 1 |
| vikunja/ | 8cba0520bf8c | stdlib | 1.26.9 | 1 |
| vineyardcloudnative/ | 9d419aa18faa | stdlib | 1.26.9 | 1 |
| vmware/ | f028c138a5f4 | stdlib | 1.26.9 | 1 |
| voidxmh/ | 423c6195fab2 | stdlib | 1.26.9 | 1 |
| voidxmh/ | 93e42a569ca8 | stdlib | 1.26.9 | 1 |
| voidxmh/ | 1b7397412320 | stdlib | 1.26.9 | 1 |
| voidxmh/ | 2ff3f2146547 | stdlib | 1.26.9 | 1 |
| volantmq/ | 9bfe7857ebc3 | stdlib | 1.26.9 | 1 |
| volcanosh/ | 3815883c32f6 | stdlib | 1.26.9 | 1 |
| volcanosh/ | 9063355ee23b | stdlib | 1.26.9 | 1 |
| volcanosh/ | 7e9875e5897f | stdlib | 1.26.9 | 1 |
| volcanosh/ | b24ea8af2d16 | stdlib | 1.26.9 | 1 |
| volcanosh/ | 9231c5626249 | stdlib | 1.26.9 | 1 |
| volcanosh/ | f8b50088a732 | stdlib | 1.26.9 | 1 |
| voltha/ | d90403d58016 | stdlib | 1.26.9 | 1 |
| voltha/ | 259fc3a03f4e | stdlib | 1.26.9 | 1 |
| voltha/ | 762b272d439e | stdlib | 1.26.9 | 1 |
| vultr/ | 541c3e0aec58 | stdlib | 1.26.9 | 1 |
| vultr/ | 1806f17d620c | stdlib | 1.26.9 | 1 |
| vultr/ | 41d26735d437 | stdlib | 1.26.9 | 1 |
| wagnermanganelli164/ | d4ef27a4f180 | stdlib | 1.26.9 | 1 |
| wait4x/ | 4dcd86307de1 | stdlib | 1.26.9 | 1 |
| wallarm/ | 4d45db0ff240 | stdlib | 1.26.9 | 1 |
| wallarm/ | c8920e60c726 | stdlib | 1.26.9 | 1 |
| wallarm/ | a321bc974a19 | stdlib | 1.26.9 | 1 |
| wallarm/ | a1fecfdf987e | stdlib | 1.26.9 | 1 |
| wallarm/ | a591b9c91570 | stdlib | 1.26.9 | 1 |
| wallarm/ | 5cb2ae08b40f | stdlib | 1.26.9 | 1 |
| wallarm/ | 95ea2632326c | stdlib | 1.26.9 | 1 |
| wallarm/ | aecdb35c4def | stdlib | 1.26.9 | 1 |