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 |
|---|---|---|---|---|
| splatform/ | 886311c331b9 | stdlib | 1.26.9 | 1 |
| splunk/ | c4e0d3146226 | stdlib | 1.26.9 | 1 |
| springhack/ | 4aceb821da88 | stdlib | 1.26.9 | 1 |
| sslhep/ | c935e123030d | stdlib | 1.26.9 | 1 |
| sstarcher/ | 2d43c390cb19 | stdlib | 1.26.9 | 1 |
| sstarcher/ | 11769d01ba35 | stdlib | 1.26.9 | 1 |
| sstarcher/ | 1f8cae8cfa80 | stdlib | 1.26.9 | 1 |
| stakater/ | 382cd9572352 | stdlib | 1.26.9 | 1 |
| stakater/ | 86b24cdef409 | stdlib | 1.26.9 | 1 |
| stakater/ | c1226e5270cd | stdlib | 1.26.9 | 1 |
| stakater/ | 450415ce1b4e | stdlib | 1.26.9 | 1 |
| stakater/ | 3409565b1ef5 | stdlib | 1.26.9 | 1 |
| stakater/ | f4b87a8e56d4 | stdlib | 1.26.9 | 1 |
| stakater/ | 37ce9acf2722 | stdlib | 1.26.9 | 1 |
| stakater/ | 39107924063e | stdlib | 1.26.9 | 1 |
| stakater/ | 97bf456cc97c | stdlib | 1.26.9 | 1 |
| stakkato95/ | 5d48906d66b3 | stdlib | 1.26.9 | 1 |
| stakkato95/ | 3cbe857234f2 | stdlib | 1.26.9 | 1 |
| stakkato95/ | 8412d8a8cac3 | stdlib | 1.26.9 | 1 |
| stakkato95/ | 456049efee9a | stdlib | 1.26.9 | 1 |
| stashapp/ | 24dbd7607174 | stdlib | 1.26.9 | 1 |
| stashapp/ | df744af5a0c9 | stdlib | 1.26.9 | 1 |
| stashapp/ | a534c8afdf39 | stdlib | 1.26.9 | 1 |
| staslevchenko/ | e1b5de030254 | stdlib | 1.26.9 | 1 |
| statcan/ | d7d6bd180c46 | stdlib | 1.26.9 | 1 |
| statcan/ | bc361ee7748f | stdlib | 1.26.9 | 1 |
| statping/ | 32f26fffca46 | stdlib | 1.26.9 | 1 |
| stevenweathers/ | c7eb7b10f186 | stdlib | 1.26.9 | 1 |
| streamnative/ | 11bceacec8fb | stdlib | 1.26.9 | 1 |
| streamnative/ | ebcf7f033b54 | stdlib | 1.26.9 | 1 |
| streamnative/ | 4176923db03c | stdlib | 1.26.9 | 1 |
| streamnative/ | 82434bb2a8ad | stdlib | 1.26.9 | 1 |
| streamnative/ | 31533fa9fab7 | stdlib | 1.26.9 | 1 |
| streamnative/ | e492b6608418 | stdlib | 1.26.9 | 1 |
| stubin87/ | 2e5c42e92ec8 | stdlib | 1.26.9 | 1 |
| su541/ | 371ee33f83c1 | stdlib | 1.26.9 | 1 |
| subspacecommunity/ | e2042b63fb35 | stdlib | 1.26.9 | 1 |
| summerwind/ | 2128f81dbede | stdlib | 1.26.9 | 1 |
| sumuduliya/ | b7788a2984a3 | stdlib | 1.26.9 | 1 |
| supabase/ | 385184459f57 | stdlib | 1.26.9 | 1 |
| supabase/ | 7174d551d720 | stdlib | 1.26.9 | 1 |
| supabase/ | ba4ddc594b0b | stdlib | 1.26.9 | 1 |
| supabase/ | f371b5f3f2ac | stdlib | 1.26.9 | 1 |
| superorbital/ | d59732f61d6e | stdlib | 1.26.9 | 1 |
| superque/ | 28ca636d1dee | stdlib | 1.26.9 | 1 |
| superseriousbusiness/ | 0078ca451dda | stdlib | 1.26.9 | 1 |
| supporttools/ | ab55fd5a69c3 | stdlib | 1.26.9 | 1 |
| supporttools/ | cbd45f6b02b8 | stdlib | 1.26.9 | 1 |
| supporttools/ | bd3001f01f6e | stdlib | 1.26.9 | 1 |
| supporttools/ | dc50d660e149 | stdlib | 1.26.9 | 1 |