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 |
|---|---|---|---|---|
| treeverse/ | 556a05af968c | stdlib | 1.26.9 | 1 |
| treeverse/ | 237a17c6b2d8 | stdlib | 1.26.9 | 1 |
| treeverse/ | 478f37a6cffc | stdlib | 1.26.9 | 1 |
| treskon/ | 88e813f22347 | stdlib | 1.26.9 | 1 |
| trinodb/ | 5b5e0a97f599 | stdlib | 1.26.9 | 1 |
| trinodb/ | 6af989b0846d | stdlib | 1.26.9 | 1 |
| trinodb/ | db58cc93e593 | stdlib | 1.26.9 | 1 |
| truebyteinnovationllp/ | 1c6a945af653 | stdlib | 1.26.9 | 1 |
| tundeficky/ | 3cf9a9ce54e8 | stdlib | 1.26.9 | 1 |
| turt2live/ | bfbd459f89a5 | stdlib | 1.26.9 | 1 |
| tusproject/ | 1e457b59fd5b | stdlib | 1.26.9 | 1 |
| tusproject/ | f8088058b80f | stdlib | 1.26.9 | 1 |
| twentycrm/ | 2f78405a78be | stdlib | 1.26.9 | 1 |
| twinproduction/ | 8f38c206972e | stdlib | 1.26.9 | 1 |
| twinproduction/ | 3fff895e77d3 | stdlib | 1.26.9 | 1 |
| twinproduction/ | 49dc0d9b2e2c | stdlib | 1.26.9 | 1 |
| tykio/ | 78ffedae485e | stdlib | 1.26.9 | 1 |
| tykio/ | 10f678bfdc27 | stdlib | 1.26.9 | 1 |
| uderelier19/ | 8ab640b44e3f | stdlib | 1.26.9 | 1 |
| udhos/ | 41ab9bae6f3b | stdlib | 1.26.9 | 1 |
| udhos/ | 196ef68af380 | stdlib | 1.26.9 | 1 |
| udhos/ | 12e120d39fdb | stdlib | 1.26.9 | 1 |
| udhos/ | 3acc0e7599bf | stdlib | 1.26.9 | 1 |
| udhos/ | 5567c9363c4c | stdlib | 1.26.9 | 1 |
| udhos/ | e588db500edf | stdlib | 1.26.9 | 1 |
| udhos/ | f44ef986df49 | stdlib | 1.26.9 | 1 |
| udhos/ | 6bd2cf2ac732 | stdlib | 1.26.9 | 1 |
| udhos/ | 8a7042db82ce | stdlib | 1.26.9 | 1 |
| udhos/ | 03b08b63f524 | stdlib | 1.26.9 | 1 |
| udhos/ | e432012dd34a | stdlib | 1.26.9 | 1 |
| udhos/ | 474c467bbf42 | stdlib | 1.26.9 | 1 |
| udhos/ | 615b6a7d742e | stdlib | 1.26.9 | 1 |
| udhos/ | daa2b4eaac09 | stdlib | 1.26.9 | 1 |
| udhos/ | 6ae70677b6a3 | stdlib | 1.26.9 | 1 |
| udhos/ | cf7979da82e1 | stdlib | 1.26.9 | 1 |
| udhos/ | 728013f2fac1 | stdlib | 1.26.9 | 1 |
| uffizzi/ | 14e528bbd926 | stdlib | 1.26.9 | 1 |
| uffizzi/ | 5ca448a08783 | stdlib | 1.26.9 | 1 |
| uptrace/ | 34a02c3b2d12 | stdlib | 1.26.9 | 1 |
| utho/ | 6e8a690e8b7a | stdlib | 1.26.9 | 1 |
| utkuozdemir/ | 149f9e7e7aa3 | stdlib | 1.26.9 | 1 |
| utkuozdemir/ | 7aee2d42836a | stdlib | 1.26.9 | 1 |
| v2fly/ | d06727b221fe | stdlib | 1.26.9 | 1 |
| vdaas/ | 0c3dcd4974f6 | stdlib | 1.26.9 | 1 |
| vearch/ | 0768af33f9d9 | stdlib | 1.26.9 | 1 |
| veecode/ | e5c84f744994 | stdlib | 1.26.9 | 1 |
| veecode/ | c69fd286b489 | stdlib | 1.26.9 | 1 |
| velero/ | 277fbfaf8dcf | stdlib | 1.26.9 | 1 |
| velero/ | 8d784580931c | stdlib | 1.26.9 | 1 |
| velero/ | c89fb5b6d1fd | stdlib | 1.26.9 | 1 |