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 |
|---|---|---|---|---|
| langgenius/ | d2b8df196d08 | stdlib | 1.26.9 | 1 |
| langgenius/ | 207b343013a0 | stdlib | 1.26.9 | 1 |
| langgenius/ | 3c694329357b | stdlib | 1.26.9 | 1 |
| langgenius/ | 4b07ca30ab2a | stdlib | 1.26.9 | 1 |
| langgenius/ | 8269050f192e | stdlib | 1.26.9 | 1 |
| langgenius/ | 4e65e8a351a2 | stdlib | 1.26.9 | 1 |
| langgenius/ | 750e1111426e | stdlib | 1.26.9 | 1 |
| langgenius/ | c306ac577912 | stdlib | 1.26.9 | 1 |
| langgenius/ | d64914ff0d6d | stdlib | 1.26.9 | 1 |
| launchdarkly/ | 065f211f5d7c | stdlib | 1.26.9 | 1 |
| layer5/ | 78a8be21bef3 | stdlib | 1.26.9 | 1 |
| layer5/ | 77d59943b3d6 | stdlib | 1.26.9 | 1 |
| layer5/ | 25a4cc38abcd | stdlib | 1.26.9 | 1 |
| layer5/ | 8c20a8a1d6a4 | stdlib | 1.26.9 | 1 |
| layer5/ | fde47c141ec6 | stdlib | 1.26.9 | 1 |
| layer5/ | 9d25f029a8a2 | stdlib | 1.26.9 | 1 |
| layer5/ | b99c73bac1f5 | stdlib | 1.26.9 | 1 |
| layer5/ | b3864dfd47ad | stdlib | 1.26.9 | 1 |
| layer5/ | ebd6a8faf21f | stdlib | 1.26.9 | 1 |
| layer5/ | 6f58a28fe422 | stdlib | 1.26.9 | 1 |
| layer5/ | ec898e5786c6 | stdlib | 1.26.9 | 1 |
| layer5/ | 797fa7a03570 | stdlib | 1.26.9 | 1 |
| lbenicio/ | 51d3d30206c8 | stdlib | 1.26.9 | 1 |
| lbenicio/ | 35eb784c03fa | stdlib | 1.26.9 | 1 |
| lbenicio/ | 9202e96ad403 | stdlib | 1.26.9 | 1 |
| lbenicio/ | 2797937bc2a5 | stdlib | 1.26.9 | 1 |
| leonardomulticloud/ | e4acd2fbb7b1 | stdlib | 1.26.9 | 1 |
| leonardomulticloud/ | d119918900e8 | stdlib | 1.26.9 | 1 |
| library/ | 60fb54d36b4b | stdlib | 1.26.9 | 1 |
| library/ | 7367adca165f | stdlib | 1.26.9 | 1 |
| library/ | 834468128c76 | stdlib | 1.26.9 | 1 |
| library/ | 874405536b3e | stdlib | 1.26.9 | 1 |
| library/ | b4e3952384eb | stdlib | 1.26.9 | 1 |
| library/ | d44355d3c214 | stdlib | 1.26.9 | 1 |
| library/ | d76116d819d5 | stdlib | 1.26.9 | 1 |
| library/ | fbc51bcf1ab0 | stdlib | 1.26.9 | 1 |
| library/ | 0909b1681015 | stdlib | 1.26.9 | 1 |
| library/ | 96d8a3f65a4f | stdlib | 1.26.9 | 1 |
| library/ | 1ba18449911d | stdlib | 1.26.9 | 1 |
| library/ | 1d148deae16a | stdlib | 1.26.9 | 1 |
| library/ | 2416984b43dd | stdlib | 1.26.9 | 1 |
| library/ | 2a232a42256f | stdlib | 1.26.9 | 1 |
| library/ | 3153fa63f546 | stdlib | 1.26.9 | 1 |
| library/ | 3acba49741f1 | stdlib | 1.26.9 | 1 |
| library/ | 3f3c01aaaebf | stdlib | 1.26.9 | 1 |
| library/ | 7dcdfc4a2024 | stdlib | 1.26.9 | 1 |
| library/ | 851f91d24121 | stdlib | 1.26.9 | 1 |
| library/ | a56b3bdde893 | stdlib | 1.26.9 | 1 |
| library/ | aa3df78ecf32 | stdlib | 1.26.9 | 1 |
| library/ | afa5d5134900 | stdlib | 1.26.9 | 1 |