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
- 5,323
- of 18,117 indexed, latest versions
- Container images
- 6,150
- 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 5,323 of 18,117 indexed charts deploy, on 6,150 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 | 6,150 |
| golang-1.19deb | 1.19.8-2 | no fix listed | 1 |
- OSV records
- DEBIAN-CVE-2026-56866GO-2026-6605
- Trending
- Rank 10 in indexed charts, since 9 Oct 2026. See the ranking →
Charts affected
5,323 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| mysqlhelmcourseVerified publisher | 0.2.4 | 1 of 1See more | 2,384 |
| chart-bookhelm-deploy-book | 0.1.0 | 1 of 3See more | 10,735 |
| jasperreportshelm-dojo | 8.0.0-v1.3 | 1 of 2See more | 7,784 |
| dwpkhelm-dwpkVerified publisher | 1.0.0 | 3 of 3See more | 714 |
| helmfile-gitops-agenthelmfile-gitops-agentVerified publisher | 1.1.99 | 3 of 3See more | 2,854 |
| adguard-homehelmforgeVerified publisher | 1.5.2 | 1 of 2See more | 424 |
| affinehelmforgeVerified publisher | 1.0.2 | 1 of 3See more | 4,856 |
| alfiohelmforgeVerified publisher | 1.2.12 | 1 of 3See more | 2,543 |
| answerhelmforgeVerified publisher | 1.5.3 | 1 of 1See more | 893 |
| appwritehelmforgeVerified publisher | 2.0.3 | 2 of 5See more | 5,439 |
| automatischhelmforgeVerified publisher | 1.3.9 | 2 of 4See more | 6,617 |
| booklorehelmforgeVerified publisher | 2.0.2 | 1 of 3See more | 2,485 |
| castopodhelmforgeVerified publisher | 1.2.10 | 2 of 3See more | 10,910 |
| certimatehelmforgeVerified publisher | 1.0.9 | 1 of 1See more | 266 |
| chiefonboardinghelmforgeVerified publisher | 1.1.15 | 1 of 3See more | 8,936 |
| ckanhelmforgeVerified publisher | 1.3.10 | 2 of 6See more | 11,676 |
| cloudflaredhelmforgeVerified publisher | 1.5.17 | 1 of 1See more | 631 |
| countlyhelmforgeVerified publisher | 1.2.8 | 2 of 3See more | 75,755 |
| dawarichhelmforgeVerified publisher | 1.0.3 | 2 of 4See more | 12,684 |
| ddns-updaterhelmforgeVerified publisher | 1.4.12 | 1 of 1See more | 581 |
| discount-bandithelmforgeVerified publisher | 2.0.9 | 2 of 3See more | 36,261 |
| druidhelmforgeVerified publisher | 1.3.6 | 2 of 4See more | 10,181 |
| drupalhelmforgeVerified publisher | 1.2.15 | 1 of 2See more | 4,539 |
| entehelmforgeVerified publisher | 1.0.2 | 2 of 4See more | 5,255 |
| ghosthelmforgeVerified publisher | 1.2.10 | 2 of 3See more | 3,927 |
| ghostfoliohelmforgeVerified publisher | 1.0.1 | 1 of 4See more | 5,158 |
| giteahelmforgeVerified publisher | 1.1.21 | 1 of 1See more | 913 |
| github-mcp-serverhelmforgeVerified publisher | 1.0.3 | 1 of 1See more | 751 |
| glancehelmforgeVerified publisher | 1.0.0 | 1 of 1See more | 383 |
| gophishhelmforgeVerified publisher | 0.1.6 | 1 of 1See more | 4,212 |
| hermes-agenthelmforgeVerified publisher | 1.0.1 | 1 of 1See more | 7,001 |
| hoppscotchhelmforgeVerified publisher | 1.1.12 | 2 of 2See more | 2,699 |
| immichhelmforgeVerified publisher | 1.2.10 | 1 of 5See more | 13,214 |
| jenkinshelmforgeVerified publisher | 1.0.9 | 1 of 1See more | 3,476 |
| komgahelmforgeVerified publisher | 1.4.16 | 1 of 1See more | 37,399 |
| kubernetes-mcp-serverhelmforgeVerified publisher | 1.0.7 | 1 of 1See more | 318 |
| listmonkhelmforgeVerified publisher | 1.1.14 | 3 of 3See more | 3,728 |
| medikeephelmforgeVerified publisher | 2.0.2 | 2 of 3See more | 6,592 |
| memoshelmforgeVerified publisher | 2.0.2 | 1 of 2See more | 516 |
| metabasehelmforgeVerified publisher | 1.2.30 | 1 of 3See more | 1,955 |
| metrics-serverhelmforgeVerified publisher | 1.0.4 | 1 of 1See more | 469 |
| middlewarehelmforgeVerified publisher | 1.2.8 | 2 of 4See more | 10,741 |
| minecrafthelmforgeVerified publisher | 1.5.5 | 1 of 1See more | 5,324 |
| mongodbhelmforgeVerified publisher | 1.8.2 | 1 of 1See more | 1,378 |
| moodlehelmforgeVerified publisher | 1.1.3 | 1 of 2See more | 7,285 |
| mysqlhelmforgeVerified publisher | 2.0.4 | 1 of 1See more | 804 |
| netboxhelmforgeVerified publisher | 2.0.3 | 2 of 4See more | 4,996 |
| nextcloudhelmforgeVerified publisher | 2.0.0 | 1 of 3See more | 7,850 |
| ntfyhelmforgeVerified publisher | 1.2.2 | 1 of 1See more | 408 |
| oauth2-proxyhelmforgeVerified publisher | 1.0.6 | 1 of 1See more | 279 |
Container images carrying it
6,150 by charts deploying them
A fixed version is listed for 1 of the 2 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| 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 |
| wallarm/ | b55ff6cecbd5 | stdlib | 1.26.9 | 1 |
| wallarm/ | 097cadc42336 | stdlib | 1.26.9 | 1 |
| wallarm/ | aecd88b24c51 | stdlib | 1.26.9 | 1 |
| wallarm/ | 7db2da8fce0b | stdlib | 1.26.9 | 1 |
| wallarm/ | 4314f3d2b918 | stdlib | 1.26.9 | 1 |
| wateim/ | 2520149ee574 | stdlib | 1.26.9 | 1 |
| wavefronthq/ | ded77b38c7c6 | stdlib | 1.26.9 | 1 |
| wavefronthq/ | af5fef9a4768 | stdlib | 1.26.9 | 1 |
| wazuh/ | 1da5c38c6a78 | stdlib | 1.26.9 | 1 |
| wazuh/ | 21994f40e0da | stdlib | 1.26.9 | 1 |
| wazuh/ | 5a065930682d | stdlib | 1.26.9 | 1 |
| wazuh/ | f09282d281f6 | stdlib | 1.26.9 | 1 |
| weaveworks/ | 174307de1b36 | stdlib | 1.26.9 | 1 |
| weaveworks/ | a9c2e9df4227 | stdlib | 1.26.9 | 1 |
| weaveworks/ | 3cdac6928a63 | stdlib | 1.26.9 | 1 |
| webdevops/ | 2446baee7b69 | stdlib | 1.26.9 | 1 |
| webdevops/ | f333704ecd60 | stdlib | 1.26.9 | 1 |
| webdevops/ | 051845d06d85 | stdlib | 1.26.9 | 1 |
| webdevops/ | 1d3b453fba99 | stdlib | 1.26.9 | 1 |
| webdevops/ | 381136dda026 | stdlib | 1.26.9 | 1 |
| webdevops/ | d3e1842ad419 | stdlib | 1.26.9 | 1 |
| webdevops/ | 7acd46a8a972 | stdlib | 1.26.9 | 1 |
| webdevops/ | 4fad7e14ad67 | stdlib | 1.26.9 | 1 |
| webdevops/ | 83b95faf10a0 | stdlib | 1.26.9 | 1 |