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
- 5,306
- of 18,108 indexed, latest versions
- Container images
- 6,104
- 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 5,306 of 18,108 indexed charts deploy, on 6,104 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 | 6,104 |
| 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
5,306 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| answerhelmforgeVerified publisher | 1.5.3 | 1 of 1See more | 886 |
| appwritehelmforgeVerified publisher | 2.0.3 | 2 of 5See more | 5,361 |
| automatischhelmforgeVerified publisher | 1.3.9 | 2 of 4See more | 6,607 |
| booklorehelmforgeVerified publisher | 2.0.2 | 1 of 3See more | 2,560 |
| castopodhelmforgeVerified publisher | 1.2.10 | 2 of 3See more | 10,831 |
| certimatehelmforgeVerified publisher | 1.0.9 | 1 of 1See more | 258 |
| chiefonboardinghelmforgeVerified publisher | 1.1.15 | 1 of 3See more | 8,763 |
| ckanhelmforgeVerified publisher | 1.3.10 | 2 of 6See more | 11,614 |
| cloudflaredhelmforgeVerified publisher | 1.5.17 | 1 of 1See more | 624 |
| countlyhelmforgeVerified publisher | 1.2.8 | 2 of 3See more | 76,314 |
| dawarichhelmforgeVerified publisher | 1.0.3 | 2 of 4See more | 12,667 |
| ddns-updaterhelmforgeVerified publisher | 1.4.12 | 1 of 1See more | 574 |
| discount-bandithelmforgeVerified publisher | 2.0.9 | 2 of 3See more | 36,249 |
| druidhelmforgeVerified publisher | 1.3.6 | 2 of 4See more | 10,115 |
| drupalhelmforgeVerified publisher | 1.2.15 | 1 of 2See more | 4,535 |
| entehelmforgeVerified publisher | 1.0.2 | 2 of 4See more | 5,245 |
| ghosthelmforgeVerified publisher | 1.2.10 | 2 of 3See more | 3,916 |
| ghostfoliohelmforgeVerified publisher | 1.0.1 | 1 of 4See more | 5,154 |
| giteahelmforgeVerified publisher | 1.1.21 | 1 of 1See more | 905 |
| github-mcp-serverhelmforgeVerified publisher | 1.0.3 | 1 of 1See more | 744 |
| glancehelmforgeVerified publisher | 1.0.0 | 1 of 1See more | 376 |
| gophishhelmforgeVerified publisher | 0.1.6 | 1 of 1See more | 4,205 |
| hermes-agenthelmforgeVerified publisher | 1.0.1 | 1 of 1See more | 6,975 |
| hoppscotchhelmforgeVerified publisher | 1.1.12 | 2 of 2See more | 2,689 |
| immichhelmforgeVerified publisher | 1.2.10 | 1 of 5See more | 13,216 |
| jenkinshelmforgeVerified publisher | 1.0.9 | 1 of 1See more | 3,470 |
| komgahelmforgeVerified publisher | 1.4.16 | 1 of 1See more | 37,594 |
| kubernetes-mcp-serverhelmforgeVerified publisher | 1.0.7 | 1 of 1See more | 311 |
| listmonkhelmforgeVerified publisher | 1.1.14 | 3 of 3See more | 3,709 |
| medikeephelmforgeVerified publisher | 2.0.2 | 2 of 3See more | 6,699 |
| memoshelmforgeVerified publisher | 2.0.2 | 1 of 2See more | 509 |
| metabasehelmforgeVerified publisher | 1.2.30 | 1 of 3See more | 1,950 |
| metrics-serverhelmforgeVerified publisher | 1.0.4 | 1 of 1See more | 462 |
| middlewarehelmforgeVerified publisher | 1.2.8 | 2 of 4See more | 10,731 |
| minecrafthelmforgeVerified publisher | 1.5.5 | 1 of 1See more | 5,168 |
| mongodbhelmforgeVerified publisher | 1.8.2 | 1 of 1See more | 1,322 |
| moodlehelmforgeVerified publisher | 1.1.3 | 1 of 2See more | 7,283 |
| mysqlhelmforgeVerified publisher | 2.0.4 | 1 of 1See more | 797 |
| netboxhelmforgeVerified publisher | 2.0.3 | 2 of 4See more | 4,903 |
| nextcloudhelmforgeVerified publisher | 2.0.0 | 1 of 3See more | 7,685 |
| ntfyhelmforgeVerified publisher | 1.2.2 | 1 of 1See more | 401 |
| oauth2-proxyhelmforgeVerified publisher | 1.0.6 | 1 of 1See more | 272 |
| olivetinhelmforgeVerified publisher | 1.2.2 | 1 of 2See more | 731 |
| opencuthelmforgeVerified publisher | 1.1.11 | 1 of 5See more | 3,803 |
| openreplayhelmforgeVerified publisher | 1.0.0 | 1See more | — |
| paprahelmforgeVerified publisher | 1.0.0 | 1 of 1See more | 3,744 |
| pimcorehelmforgeVerified publisher | 2.0.4 | 2 of 6See more | 3,420 |
| pocket-idhelmforgeVerified publisher | 1.0.0 | 1 of 2See more | 705 |
| questdbhelmforgeVerified publisher | 1.0.0 | 1See more | — |
| reactive-resumehelmforgeVerified publisher | 1.0.0 | 2 of 4See more | 3,937 |
Container images carrying it
6,104 by charts deploying them
A fixed version is listed for 1 of the 2 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| library/ | d9a0fd8bdd15 | stdlib | 1.26.9 | 1 |
| library/ | dd43b430341a | stdlib | 1.26.9 | 1 |
| library/ | 1ef2e532ca4d | stdlib | 1.26.9 | 1 |
| library/ | 2654b1e90413 | stdlib | 1.26.9 | 1 |
| library/ | 29773d6be407 | stdlib | 1.26.9 | 1 |
| library/ | 77196da4b0df | stdlib | 1.26.9 | 1 |
| library/ | 83f7bf209844 | stdlib | 1.26.9 | 1 |
| library/ | 90592b712b6b | stdlib | 1.26.9 | 1 |
| library/ | db4c56c196d6 | stdlib | 1.26.9 | 1 |
| library/ | e0174e51e812 | stdlib | 1.26.9 | 1 |
| library/ | 8812029260b5 | stdlib | 1.26.9 | 1 |
| library/ | 983c696655e8 | stdlib | 1.26.9 | 1 |
| library/ | a10d46445d68 | stdlib | 1.26.9 | 1 |
| library/ | b0f9fc41ed79 | stdlib | 1.26.9 | 1 |
| library/ | ba10ac9ba17a | stdlib | 1.26.9 | 1 |
| library/ | cdd3dbdea45c | stdlib | 1.26.9 | 1 |
| library/ | d7f5dd5f70e2 | stdlib | 1.26.9 | 1 |
| library/ | 7232f6388a4d | stdlib | 1.26.9 | 1 |
| library/ | 17a4f64e9cf5 | stdlib | 1.26.9 | 1 |
| library/ | 33eae14f0867 | stdlib | 1.26.9 | 1 |
| library/ | 07e06f2e7ae9 | stdlib | 1.26.9 | 1 |
| library/ | 1c33370a599c | stdlib | 1.26.9 | 1 |
| library/ | 22edfe1c7834 | stdlib | 1.26.9 | 1 |
| library/ | 490f01279be1 | stdlib | 1.26.9 | 1 |
| library/ | 5b6a1eac15b8 | stdlib | 1.26.9 | 1 |
| library/ | 628f228f0fd5 | stdlib | 1.26.9 | 1 |
| library/ | 6422478cb8e1 | stdlib | 1.26.9 | 1 |
| library/ | 6b848cb24fbb | stdlib | 1.26.9 | 1 |
| library/ | 8a16204dc96c | stdlib | 1.26.9 | 1 |
| library/ | 9a48ac9f196f | stdlib | 1.26.9 | 1 |
| library/ | a02fe89cb597 | stdlib | 1.26.9 | 1 |
| library/ | b1cb255a9939 | stdlib | 1.26.9 | 1 |
| library/ | bfc25a68e113 | stdlib | 1.26.9 | 1 |
| library/ | dd9b303aed4f | stdlib | 1.26.9 | 1 |
| library/ | e22328f4d714 | stdlib | 1.26.9 | 1 |
| library/ | fbb8456ebdb1 | stdlib | 1.26.9 | 1 |
| library/ | fcc7fcd7114a | stdlib | 1.26.9 | 1 |
| library/ | 0032d2ca20db | stdlib | 1.26.9 | 1 |
| library/ | 05678ae4e5e1 | stdlib | 1.26.9 | 1 |
| library/ | 3b6c281e1c08 | stdlib | 1.26.9 | 1 |
| library/ | 3d0e6df9fd5b | stdlib | 1.26.9 | 1 |
| library/ | 50cae5081ab4 | stdlib | 1.26.9 | 1 |
| library/ | 61dd87ff554d | stdlib | 1.26.9 | 1 |
| library/ | 646902910d6a | stdlib | 1.26.9 | 1 |
| library/ | 699d652ed674 | stdlib | 1.26.9 | 1 |
| library/ | 71a63fc2438e | stdlib | 1.26.9 | 1 |
| library/ | 7c81758cb295 | stdlib | 1.26.9 | 1 |
| library/ | 88785f6f665a | stdlib | 1.26.9 | 1 |
| library/ | ae1cf99fa7bf | stdlib | 1.26.9 | 1 |
| library/ | d0d926f94df0 | stdlib | 1.26.9 | 1 |