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
- 5,295
- of 18,117 indexed, latest versions
- Container images
- 6,105
- 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 5,295 of 18,117 indexed charts deploy, on 6,105 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 | 6,105 |
| 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
5,295 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| discount-bandithelmforgeVerified publisher | 2.0.9 | 1 of 3See more | 36,265 |
| druidhelmforgeVerified publisher | 1.3.6 | 2 of 4See more | 10,129 |
| entehelmforgeVerified publisher | 1.0.2 | 2 of 4See more | 5,255 |
| ghosthelmforgeVerified publisher | 1.2.10 | 2 of 3See more | 3,929 |
| ghostfoliohelmforgeVerified publisher | 1.0.1 | 1 of 4See more | 5,157 |
| 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 | 4,213 |
| hermes-agenthelmforgeVerified publisher | 1.0.1 | 1 of 1See more | 7,002 |
| hoppscotchhelmforgeVerified publisher | 1.1.12 | 2 of 2See more | 2,702 |
| immichhelmforgeVerified publisher | 1.2.10 | 1 of 5See more | 13,218 |
| jenkinshelmforgeVerified publisher | 1.0.9 | 1 of 1See more | 3,476 |
| komgahelmforgeVerified publisher | 1.4.16 | 1 of 1See more | 37,603 |
| 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 | 6,711 |
| 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 | 10,742 |
| minecrafthelmforgeVerified publisher | 1.5.5 | 1 of 1See more | 5,175 |
| mongodbhelmforgeVerified publisher | 1.8.2 | 1 of 1See more | 1,329 |
| moodlehelmforgeVerified publisher | 1.1.3 | 1 of 2See more | 7,286 |
| mysqlhelmforgeVerified publisher | 2.0.4 | 1 of 1See more | 804 |
| netboxhelmforgeVerified publisher | 2.0.3 | 2 of 4See more | 4,943 |
| nextcloudhelmforgeVerified publisher | 2.0.0 | 1 of 3See more | 7,790 |
| ntfyhelmforgeVerified publisher | 1.2.2 | 1 of 1See more | 408 |
| oauth2-proxyhelmforgeVerified publisher | 1.0.6 | 1 of 1See more | 279 |
| olivetinhelmforgeVerified publisher | 1.2.2 | 1 of 2See more | 738 |
| opencuthelmforgeVerified publisher | 1.1.11 | 1 of 5See more | 3,808 |
| openhumanhelmforgeVerified publisher | 1.0.0 | 1 of 1See more | 2,967 |
| openreplayhelmforgeVerified publisher | 1.0.0 | 12 of 24See more | 14,609 |
| paprahelmforgeVerified publisher | 1.0.0 | 1 of 1See more | 3,752 |
| pimcorehelmforgeVerified publisher | 2.0.4 | 2 of 6See more | 3,435 |
| pocket-idhelmforgeVerified publisher | 1.0.0 | 1 of 2See more | 712 |
| questdbhelmforgeVerified publisher | 1.0.0 | 1 of 1See more | 158 |
| reactive-resumehelmforgeVerified publisher | 1.0.0 | 2 of 4See more | 3,948 |
| ryothelmforgeVerified publisher | 1.0.0 | 2 of 2See more | 7,313 |
| siyuanhelmforgeVerified publisher | 1.0.1 | 1 of 1See more | 407 |
| strapihelmforgeVerified publisher | 2.3.15 | 1 of 3See more | 3,016 |
| strava-statisticshelmforgeVerified publisher | 1.1.16 | 1 of 2See more | 1,228 |
| supersethelmforgeVerified publisher | 1.3.8 | 2 of 5See more | 6,493 |
| twentyhelmforgeVerified publisher | 1.0.4 | 1 of 5See more | 3,202 |
| wallabaghelmforgeVerified publisher | 1.3.8 | 2 of 3See more | 3,361 |
| webodmhelmforgeVerified publisher | 1.0.0 | 1 of 4See more | 22,545 |
| zookeeperhelmforgeVerified publisher | 1.0.2 | 1 of 1See more | 3,914 |
| harborhelm-harborVerified publisher | 2.3.7 | 5 of 8See more | 1,614 |
| openaevhelm-openbasVerified publisher | 2.0.13 | 1See more | — |
| openbashelm-openbasVerified publisher | 1.8.14 | 1 of 7See more | 26,405 |
Container images carrying it
6,105 by charts deploying them
A fixed version is listed for 1 of the 2 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| velero/ | e4d1e79be2ee | stdlib | 1.26.9 | 1 |
| velero/ | 3d2ea7aab32d | stdlib | 1.26.9 | 1 |
| velero/ | 7e82f717f44e | stdlib | 1.26.9 | 1 |
| venturenox/ | 83b471c193ba | stdlib | 1.26.9 | 1 |
| venturenox/ | c11d32f18718 | stdlib | 1.26.9 | 1 |
| versity/ | 30292fc2eeac | stdlib | 1.26.9 | 1 |
| versity/ | 5192635d0353 | stdlib | 1.26.9 | 1 |
| versity/ | f730e0dbc1ef | stdlib | 1.26.9 | 1 |
| vespaengine/ | 69b160f58211 | stdlib | 1.26.9 | 1 |
| victoriametrics/ | 716b89a3ed79 | stdlib | 1.26.9 | 1 |
| victoriametrics/ | 71be93cfafb6 | stdlib | 1.26.9 | 1 |
| victoriametrics/ | f52e1bd679cb | stdlib | 1.26.9 | 1 |
| victoriametrics/ | d7435244eb19 | stdlib | 1.26.9 | 1 |
| victoriametrics/ | 77a9815d0640 | stdlib | 1.26.9 | 1 |
| victoriametrics/ | a1cb2f3dfd45 | stdlib | 1.26.9 | 1 |
| victoriametrics/ | b50d5c0153f9 | stdlib | 1.26.9 | 1 |
| victoriametrics/ | f52723a08a44 | stdlib | 1.26.9 | 1 |
| victoriametrics/ | 150cd08fde94 | stdlib | 1.26.9 | 1 |
| victoriametrics/ | ccf603552de2 | stdlib | 1.26.9 | 1 |
| vientoprojects/ | eb2a71531741 | stdlib | 1.26.9 | 1 |
| vikunja/ | 8cba0520bf8c | stdlib | 1.26.9 | 1 |
| vineyardcloudnative/ | 9d419aa18faa | stdlib | 1.26.9 | 1 |
| vmware/ | f028c138a5f4 | stdlib | 1.26.9 | 1 |
| voidxmh/ | 423c6195fab2 | stdlib | 1.26.9 | 1 |
| 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 |