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
- 5,339
- 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 package | Affected versions | Fixed in | Images |
|---|---|---|---|
| stdlibgolang | go1.13, go1.13.1, go1.13.3, go1.13.4+212 more | 1.26.9 | 6,174 |
| 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
5,339 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| 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 |
| xatu-consumoorethereum-helm-chartsVerified publisher | 0.0.1 | 1 of 1See more | 668 |
| xatu-discoveryethereum-helm-chartsVerified publisher | 0.0.6 | 1 of 1See more | 668 |
| xatu-mimicryethereum-helm-chartsVerified publisher | 0.0.7 | 1 of 1See more | 668 |
| xatu-relay-monitorethereum-helm-chartsVerified publisher | 0.0.1 | 1 of 1See more | 668 |
| xatu-sageethereum-helm-chartsVerified publisher | 0.0.1 | 1 of 1See more | 668 |
| xatu-sentryethereum-helm-chartsVerified publisher | 0.0.8 | 1 of 1See more | 668 |
| xatu-serverethereum-helm-chartsVerified publisher | 0.0.14 | 1 of 1See more | 668 |
| beeethersphereVerified publisher | 0.17.4 | 1 of 1See more | 4,285 |
| beekeeperethersphereVerified publisher | 0.4.14 | 1 of 1See more | 2,029 |
| ethexporterethersphereVerified publisher | 0.3.0 | 1 of 1See more | 3,948 |
| ethproxyethersphereVerified publisher | 0.2.0 | 1 of 1See more | 2,247 |
| geth-swapethersphereVerified publisher | 0.6.3 | 1 of 2See more | 6,062 |
| onboarding-faucetethersphereVerified publisher | 0.2.0 | 1 of 1See more | 4,327 |
| tokenexporterethersphereVerified publisher | 0.3.0 | 1 of 1See more | 3,318 |
| localpatheugen | 1.3.2 | 1 of 1See more | 880 |
| snyk-farcaster-agenteugen | 1.0.1 | 1 of 1See more | 1,616 |
| whatsmyipeugen | 1.3.2 | 1 of 1See more | 970 |
| whoamieugen | 1.0.3 | 1 of 1See more | 761 |
| whoami-tlseugen | 0.1.3 | 1 of 1See more | 759 |
| evcc-kubernetesevcc-kubernetesVerified publisher | 1.7.11 | 1 of 1See more | 739 |
| evicted-pod-reaperevicted-pod-reaper | 0.1.0 | 1 of 1See more | 867 |
| eviction-guardeviction-guard | 0.2.3 | 1 of 1See more | 209 |
| domain_exporterevilgn0me | 0.1.4 | 1 of 1See more | 1,943 |
Container images carrying it
6,174 by charts deploying them
A fixed version is listed for 1 of the 2 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| neuvector/ | d9e8b2ee8d69 | stdlib | 1.26.9 | 1 |
| newrelic/ | 1a448492b55a | stdlib | 1.26.9 | 1 |
| newrelic/ | 88442266f192 | stdlib | 1.26.9 | 1 |
| nextcloud/ | 0e32abf8b219 | stdlib | 1.26.9 | 1 |
| nginx/ | 13dafd0b7bf5 | stdlib | 1.26.9 | 1 |
| nginx/ | eb5b4fd73325 | stdlib | 1.26.9 | 1 |
| nginx/ | 85666e7fde7e | stdlib | 1.26.9 | 1 |
| ngosang/ | a8f9cfa30162 | stdlib | 1.26.9 | 1 |
| ngrok/ | db8e6fecc52c | stdlib | 1.26.9 | 1 |
| nineinfra/ | debb1e3410e2 | stdlib | 1.26.9 | 1 |
| nineinfra/ | 8d8ed87ef77c | stdlib | 1.26.9 | 1 |
| nineinfra/ | 11259032fb04 | stdlib | 1.26.9 | 1 |
| nineinfra/ | d4aad414eccd | stdlib | 1.26.9 | 1 |
| nineinfra/ | af6eb2f37bfc | stdlib | 1.26.9 | 1 |
| nmalhotr/ | 3419361fb0dd | stdlib | 1.26.9 | 1 |
| nocodb/ | 6779a4ddedf2 | stdlib | 1.26.9 | 1 |
| nocodb/ | b0b91ec2a2dd | stdlib | 1.26.9 | 1 |
| nocodb/ | d9516f0bf546 | stdlib | 1.26.9 | 1 |
| nocodb/ | f9b799933aa8 | stdlib | 1.26.9 | 1 |
| noooste/ | a1444fa10585 | stdlib | 1.26.9 | 1 |
| nousresearch/ | e0df6adebddf | stdlib | 1.26.9 | 1 |
| novosga/ | 9957d44343db | stdlib | 1.26.9 | 1 |
| nsqio/ | 1a369c146af7 | stdlib | 1.26.9 | 1 |
| ntakashi/ | f7b68bee2a68 | stdlib | 1.26.9 | 1 |
| ntakashi/ | 4171ec641120 | stdlib | 1.26.9 | 1 |
| nvidia/ | 91b20b66d1cd | stdlib | 1.26.9 | 1 |
| oamdev/ | 5591e29d66a2 | stdlib | 1.26.9 | 1 |
| oamdev/ | dc97164c4c1f | stdlib | 1.26.9 | 1 |
| oamdev/ | 1bcae00bd7b0 | stdlib | 1.26.9 | 1 |
| oamdev/ | 31e0892f3583 | stdlib | 1.26.9 | 1 |
| oamdev/ | 70447f4d360a | stdlib | 1.26.9 | 1 |
| oamdev/ | 9dd8be44ffc9 | stdlib | 1.26.9 | 1 |
| oamdev/ | 95fa412c934e | stdlib | 1.26.9 | 1 |
| oamdev/ | 6db6a937647d | stdlib | 1.26.9 | 1 |
| obolnetwork/ | e263be0a7440 | stdlib | 1.26.9 | 1 |
| odavid/ | e7ab3bbc948e | stdlib | 1.26.9 | 1 |
| ofekmeister/ | 30d70fa9211b | stdlib | 1.26.9 | 1 |
| offchainlabs/ | 9f779fa84b7b | stdlib | 1.26.9 | 1 |
| offchainlabs/ | e95865866129 | stdlib | 1.26.9 | 1 |
| okgolove/ | 974d2e5eb150 | stdlib | 1.26.9 | 1 |
| okteto/ | 57cd51176538 | stdlib | 1.26.9 | 1 |
| oliver006/ | 04d958d209ab | stdlib | 1.26.9 | 1 |
| oliver006/ | 120f7ec77293 | stdlib | 1.26.9 | 1 |
| oliver006/ | d55e056987af | stdlib | 1.26.9 | 1 |
| oliver006/ | d98e6db8094f | stdlib | 1.26.9 | 1 |
| oliver006/ | da9e89ee4e75 | stdlib | 1.26.9 | 1 |
| olliai/ | a470d96525e4 | stdlib | 1.26.9 | 1 |
| olliai/ | 5716f2a8bd4c | stdlib | 1.26.9 | 1 |
| ondrejsika/ | d95eaeee2172 | stdlib | 1.26.9 | 1 |
| oneuptime/ | 3ef58c302aa2 | stdlib | 1.26.9 | 1 |