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 |
|---|---|---|---|---|
| kubeshop/ | 73d7e3a2db43 | stdlib | 1.26.9 | 1 |
| kubeskoop/ | 9031d9f74832 | stdlib | 1.26.9 | 1 |
| kubeskoop/ | 37a3eb73325d | stdlib | 1.26.9 | 1 |
| kubesphere/ | b87db3c57cb3 | stdlib | 1.26.9 | 1 |
| kubesphere/ | 702df77228c6 | stdlib | 1.26.9 | 1 |
| kubesphere/ | 29681958f220 | stdlib | 1.26.9 | 1 |
| kubesphere/ | 49b445b1b732 | stdlib | 1.26.9 | 1 |
| kubesphere/ | b5b665c4672c | stdlib | 1.26.9 | 1 |
| kubesphere/ | 9a18a16c7b87 | stdlib | 1.26.9 | 1 |
| kubesphere/ | eac8f273a9b6 | stdlib | 1.26.9 | 1 |
| kubestar/ | 656606941255 | stdlib | 1.26.9 | 1 |
| kubestar/ | 156d495afe77 | stdlib | 1.26.9 | 1 |
| kubesuite/ | 0262424ee702 | stdlib | 1.26.9 | 1 |
| kubevious/ | 6233e84bdd59 | stdlib | 1.26.9 | 1 |
| kubevip/ | f8f4e3401f76 | stdlib | 1.26.9 | 1 |
| kubevirtmanager/ | 1b98f1b5977a | stdlib | 1.26.9 | 1 |
| kubevirtmanager/ | df3ea27d4a9e | stdlib | 1.26.9 | 1 |
| kudobuilder/ | 69072d979708 | stdlib | 1.26.9 | 1 |
| kupnu4x/ | 3be59109f3d6 | stdlib | 1.26.9 | 1 |
| kusionstack/ | 65e3c32b64d7 | stdlib | 1.26.9 | 1 |
| kusionstack/ | b707d3bf0abd | stdlib | 1.26.9 | 1 |
| kusionstack/ | d2f72ae1d2f2 | stdlib | 1.26.9 | 1 |
| kusionstack/ | 126c8f0b0976 | stdlib | 1.26.9 | 1 |
| kusionstack/ | c28bd96b986b | stdlib | 1.26.9 | 1 |
| kvalitetsit/ | d07f449d75ed | stdlib | 1.26.9 | 1 |
| kvalitetsit/ | c5cde2d9371c | stdlib | 1.26.9 | 1 |
| kvalitetsit/ | 0e66907ea266 | stdlib | 1.26.9 | 1 |
| kvalitetsit/ | e89e351733ad | stdlib | 1.26.9 | 1 |
| kvalitetsit/ | f57e7553f5bd | stdlib | 1.26.9 | 1 |
| kvalitetsit/ | 84ab59a1434e | stdlib | 1.26.9 | 1 |
| kvalitetsit/ | 0b397ff954ec | stdlib | 1.26.9 | 1 |
| kvalitetsit/ | 0c906908d632 | stdlib | 1.26.9 | 1 |
| kvalitetsit/ | 838db1e90c6b | stdlib | 1.26.9 | 1 |
| kvalitetsit/ | fd5c4f60ef80 | stdlib | 1.26.9 | 1 |
| l7mp/ | 2f8114477ba6 | stdlib | 1.26.9 | 1 |
| l7mp/ | 0ea40a1d42d5 | stdlib | 1.26.9 | 1 |
| l7mp/ | c34f7c931491 | stdlib | 1.26.9 | 1 |
| l7mp/ | 4383766e66c5 | stdlib | 1.26.9 | 1 |
| l7mp/ | b2726bf5547d | stdlib | 1.26.9 | 1 |
| labs64/ | 9c1bd414fcfb | stdlib | 1.26.9 | 1 |
| labs64/ | 4009b8251b57 | stdlib | 1.26.9 | 1 |
| labs64/ | 5421f763b53e | stdlib | 1.26.9 | 1 |
| langgenius/ | bf8027ddccf3 | stdlib | 1.26.9 | 1 |
| langgenius/ | dcefa5f7c47c | stdlib | 1.26.9 | 1 |
| langgenius/ | e99aed151fc5 | stdlib | 1.26.9 | 1 |
| langgenius/ | a9b91fd62c94 | stdlib | 1.26.9 | 1 |
| langgenius/ | c392a36a4ef7 | stdlib | 1.26.9 | 1 |
| langgenius/ | 9e314c29a61f | stdlib | 1.26.9 | 1 |
| langgenius/ | 1848d8f1f144 | stdlib | 1.26.9 | 1 |
| langgenius/ | 6f4e0e5f6e5a | stdlib | 1.26.9 | 1 |