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
- 5,360
- of 18,104 indexed, latest versions
- Container images
- 6,204
- 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 5,360 of 18,104 indexed charts deploy, on 6,204 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 | 6,204 |
| 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
5,360 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| 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 |
| syncoor-serverethereum-helm-chartsVerified publisher | 0.0.1 | 1 of 1See more | 1,432 |
| testnet-homepageethereum-helm-chartsVerified publisher | 0.2.3 | 1 of 1See more | 3,838 |
| tracoor-agentethereum-helm-chartsVerified publisher | 0.0.1 | 1 of 1See more | 559 |
| tracoor-serverethereum-helm-chartsVerified publisher | 0.0.2 | 1 of 1See more | 559 |
| tracoor-singleethereum-helm-chartsVerified publisher | 0.0.5 | 1 of 2See more | 559 |
| web3signerethereum-helm-chartsVerified publisher | 1.0.6 | 1 of 4See more | 698 |
| xatuethereum-helm-chartsVerified publisher | 0.0.1 | 1 of 1See more | 662 |
| xatu-cannonethereum-helm-chartsVerified publisher | 0.2.2 | 1 of 1See more | 662 |
| xatu-cbt-apiethereum-helm-chartsVerified publisher | 0.0.13 | 1 of 1See more | 1,749 |
| xatu-cl-mimicryethereum-helm-chartsVerified publisher | 0.0.2 | 1 of 1See more | 662 |
| xatu-consumoorethereum-helm-chartsVerified publisher | 0.0.1 | 1 of 1See more | 662 |
| xatu-discoveryethereum-helm-chartsVerified publisher | 0.0.6 | 1 of 1See more | 662 |
| xatu-mimicryethereum-helm-chartsVerified publisher | 0.0.7 | 1 of 1See more | 662 |
| xatu-relay-monitorethereum-helm-chartsVerified publisher | 0.0.1 | 1 of 1See more | 662 |
| xatu-sageethereum-helm-chartsVerified publisher | 0.0.1 | 1 of 1See more | 662 |
| xatu-sentryethereum-helm-chartsVerified publisher | 0.0.8 | 1 of 1See more | 662 |
| xatu-serverethereum-helm-chartsVerified publisher | 0.0.14 | 1 of 1See more | 662 |
Container images carrying it
6,204 by charts deploying them
A fixed version is listed for 1 of the 2 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| amazon/ | 73b79b02f03a | stdlib | 1.26.9 | 1 |
| amazon/ | e745d1783c93 | stdlib | 1.26.9 | 1 |
| ambassador/ | 2a4598b03a6a | stdlib | 1.26.9 | 1 |
| ambassador/ | b7eb1be3345d | stdlib | 1.26.9 | 1 |
| ambassador/ | 5fc571509b8c | stdlib | 1.26.9 | 1 |
| ambassador/ | 7a1ea0d934fb | stdlib | 1.26.9 | 1 |
| amd64/ | e20a653e0f51 | stdlib | 1.26.9 | 1 |
| anamskenneth/ | 9ecf04f42cc3 | stdlib | 1.26.9 | 1 |
| anchore/ | bde9eedf639d | stdlib | 1.26.9 | 1 |
| anchore/ | 2b424b3b9a03 | stdlib | 1.26.9 | 1 |
| anchore/ | 8aad6d0912dd | stdlib | 1.26.9 | 1 |
| anchore/ | 1a1a374658c8 | stdlib | 1.26.9 | 1 |
| andrcuns/ | 43060f159f4c | stdlib | 1.26.9 | 1 |
| andrcuns/ | b4a8eb20581a | stdlib | 1.26.9 | 1 |
| andreacioni/ | 2938b310090a | stdlib | 1.26.9 | 1 |
| andrewmackrodt/ | 33f9080470c9 | stdlib | 1.26.9 | 1 |
| ankane/ | d3a9d8ac27bb | stdlib | 1.26.9 | 1 |
| anonaddy/ | 957a95565166 | stdlib | 1.26.9 | 1 |
| ansgroup/ | cd6b0ef2b309 | stdlib | 1.26.9 | 1 |
| ansiblesemaphore/ | 03d1f8684027 | stdlib | 1.26.9 | 1 |
| antrea/ | c10bc45c6272 | stdlib | 1.26.9 | 1 |
| antrea/ | f1373d39217c | stdlib | 1.26.9 | 1 |
| antrea/ | 19f3c0113330 | stdlib | 1.26.9 | 1 |
| antrea/ | 065193e7572f | stdlib | 1.26.9 | 1 |
| anujarosha/ | ed60e46870b6 | stdlib | 1.26.9 | 1 |
| anujdatar/ | 685df04a643b | stdlib | 1.26.9 | 1 |
| apache/ | 64e58748b6b9 | stdlib | 1.26.9 | 1 |
| apache/ | adf7260c2c5f | stdlib | 1.26.9 | 1 |
| apache/ | ce90bdc3d2af | stdlib | 1.26.9 | 1 |
| apache/ | e5560ad0b86e | stdlib | 1.26.9 | 1 |
| apache/ | a0d71b0e30a5 | stdlib | 1.26.9 | 1 |
| apache/ | c010ea7d1694 | stdlib | 1.26.9 | 1 |
| apache/ | 412f92cde0b3 | stdlib | 1.26.9 | 1 |
| apache/ | 3bb13d14f64a | stdlib | 1.26.9 | 1 |
| apache/ | d173e7efe258 | stdlib | 1.26.9 | 1 |
| apache/ | ffe68d6b99c0 | stdlib | 1.26.9 | 1 |
| apache/ | 133d35d2c263 | stdlib | 1.26.9 | 1 |
| apache/ | b4ec8c18d079 | stdlib | 1.26.9 | 1 |
| apache/ | 4db34508137f | stdlib | 1.26.9 | 1 |
| apache/ | 90b7fa1dc018 | stdlib | 1.26.9 | 1 |
| apache/ | ab9cc988828c | stdlib | 1.26.9 | 1 |
| apache/ | 49fc54894fdf | stdlib | 1.26.9 | 1 |
| apache/ | 90e6a62a578a | stdlib | 1.26.9 | 1 |
| apache/ | 95c6b951f38a | stdlib | 1.26.9 | 1 |
| apecloud/ | d48bcbd38066 | stdlib | 1.26.9 | 1 |
| apecloud/ | 5832d1a9097a | stdlib | 1.26.9 | 1 |
| apecloud/ | 98abc64aa985 | stdlib | 1.26.9 | 1 |
| apecloud/ | c93655ccb2d7 | stdlib | 1.26.9 | 1 |
| apecloud/ | 32bd92c7f7fa | stdlib | 1.26.9 | 1 |
| apecloud/ | dbca95a15bc1 | stdlib | 1.26.9 | 1 |