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
- 5,310
- of 18,108 indexed, latest versions
- Container images
- 6,113
- 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 5,310 of 18,108 indexed charts deploy, on 6,113 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 | 6,113 |
| golang-1.19deb | 1.19.8-2 | no fix listed | 1 |
- OSV records
- DEBIAN-CVE-2026-56866GO-2026-6605
- Trending
- Rank 8 in indexed charts, since 9 Oct 2026. See the ranking →
Charts affected
5,310 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| ryothelmforgeVerified publisher | 1.0.0 | 2 of 2See more | 7,302 |
| siyuanhelmforgeVerified publisher | 1.0.1 | 1 of 1See more | 400 |
| strapihelmforgeVerified publisher | 2.3.15 | 1 of 3See more | 3,009 |
| strava-statisticshelmforgeVerified publisher | 1.1.16 | 1 of 2See more | 1,221 |
| supersethelmforgeVerified publisher | 1.3.8 | 2 of 5See more | 6,455 |
| twentyhelmforgeVerified publisher | 1.0.4 | 1 of 5See more | 3,197 |
| wallabaghelmforgeVerified publisher | 1.3.8 | 2 of 3See more | 3,349 |
| webodmhelmforgeVerified publisher | 1.0.0 | 1 of 4See more | 22,599 |
| zookeeperhelmforgeVerified publisher | 1.0.2 | 1 of 1See more | 3,907 |
| harborhelm-harborVerified publisher | 2.3.7 | 5 of 8See more | 1,577 |
| openaevhelm-openbasVerified publisher | 2.0.12 | 1 of 7See more | 21,598 |
| openbashelm-openbasVerified publisher | 1.8.14 | 1 of 7See more | 26,403 |
| release-cleanerhelm-release-cleanerVerified publisher | 1.0.0 | 1 of 1See more | 2,554 |
| pageshelm-repo | 1.0.0 | 1 of 3See more | 21,311 |
| steampipehelm-steampipeVerified publisher | 2.4.1 | 1 of 1See more | 3,896 |
| svacerhelm-svacer | 0.6.0 | 1 of 1See more | 7,183 |
| hermes-operatorhermes-agent-operatorVerified publisher | 0.2.0 | 1 of 1See more | 231 |
| postgres-backup-localheywood8-helm-chartsVerified publisher | 0.1.13 | 1 of 1See more | 3,479 |
| kubefaashfoxy-helm-charts | 0.1.6 | 3 of 4See more | 7,967 |
| tapo-prometheus-exporterhfoxy-helm-charts | 0.1.11 | 1 of 1See more | 1,427 |
| goshimmerhiveroad | 0.2.14 | 1 of 1See more | 3,820 |
| cratedb-adapterhmdmph | 0.1.0 | 1 of 1See more | 4,122 |
| printserverhmediadeVerified publisher | 1.0.2 | 2 of 4See more | 12,887 |
| imageproxyhmphuVerified publisher | 0.1.1 | 1 of 1See more | 3,316 |
| holmesholmes | 0.1.0 | 1 of 1See more | 2,885 |
| homeboxhomebox-helmVerified publisher | 0.3.0 | 1 of 2See more | 1,151 |
| homecharthomechartVerified publisher | 1.0.1 | 1 of 1See more | 209 |
| adguardhomeenterpriseinc | 0.12.0 | 1 of 1See more | 3,712 |
| cert-managerhomeenterpriseinc | 1.10.1 | 3 of 3See more | 7,283 |
| homeassistanthomeenterpriseinc | 0.3.0 | 1 of 1See more | 9,058 |
| photoprismhomeenterpriseinc | 0.8.0 | 1 of 1See more | 3,229 |
| paperlesshomelabcihelmchartstestVerified publisher | 9.1.9 | 1 of 1See more | 18,554 |
| honeydipperhoneydipperVerified publisher | 0.1.11 | 1 of 2See more | 2,851 |
| hoppscotchhoppscotch | 0.1.1 | 1 of 1See more | 4,628 |
| universal-web-apphotrungnhanVerified publisher | 0.2.6 | 1 of 2See more | 350 |
| hoverflyhoverflyVerified publisher | 0.2.0 | 1 of 1See more | 289 |
| paperlesshpVerified publisher | 0.1.2 | 3 of 5See more | 35,134 |
| wallabaghpVerified publisher | 0.1.7 | 1 of 1See more | 1,548 |
| hammerspace-csihscsi | 1.2.8 | 6 of 6See more | 7,747 |
| eoloplanthttpd-eoloplant | 0.1.0 | 3 of 7See more | 37,305 |
| http-headershttp-headers | 1.2.1 | 1 of 1See more | 2,702 |
| cac-systemhuangchengwu-helm-chart | 0.1.0 | 7 of 9See more | 16,520 |
| jenkinshuangchengwu-helm-chart | 0.1.0 | 1 of 2See more | 662 |
| mariadbhuangchengwu-helm-chart | 0.1.0 | 1 of 1See more | 1,834 |
| prometheushuangchengwu-helm-chart | 0.1.0 | 1 of 3See more | 18,474 |
| skywalking-v1huangchengwu-helm-chart | 0.1.0 | 1 of 4See more | 22,559 |
| tdenginehuangchengwu-helm-chart | 3.0.2 | 1 of 1See more | 4,964 |
| sing-boxhuscker-chartsVerified publisher | 1.0.7 | 1 of 1See more | 2,002 |
| s-uihuscker-chartsVerified publisher | 1.0.3 | 1 of 1See more | 864 |
| jaegerhuseyinbabalVerified publisher | 0.1.0 | 3 of 3See more | 2,291 |
Container images carrying it
6,113 by charts deploying them
A fixed version is listed for 1 of the 2 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| jamesread/ | f3066e207efd | stdlib | 1.26.9 | 1 |
| jdvalencia422/ | a80b6e47a7b8 | stdlib | 1.26.9 | 1 |
| jeboehm/ | e756949e537d | stdlib | 1.26.9 | 1 |
| jeboehm/ | d03fb7bae0a2 | stdlib | 1.26.9 | 1 |
| jeboehm/ | 5fb2f31c940d | stdlib | 1.26.9 | 1 |
| jeboehm/ | 9da13edf5aa8 | stdlib | 1.26.9 | 1 |
| jenkins/ | 95313257a8cd | stdlib | 1.26.9 | 1 |
| jenkins/ | c1e4c349365f | stdlib | 1.26.9 | 1 |
| jenkins/ | de4fea113221 | stdlib | 1.26.9 | 1 |
| jhaals/ | 26873480863b | stdlib | 1.26.9 | 1 |
| jhaals/ | 6bca8d5a4914 | stdlib | 1.26.9 | 1 |
| jhaals/ | 6c33d9c813f7 | stdlib | 1.26.9 | 1 |
| jhaals/ | 916a1cf45d36 | stdlib | 1.26.9 | 1 |
| jhaals/ | 934e4f2c016f | stdlib | 1.26.9 | 1 |
| jhaals/ | 9516e3b3e88c | stdlib | 1.26.9 | 1 |
| jhaals/ | b64a1a8ace1b | stdlib | 1.26.9 | 1 |
| jhidalgo3/ | 0390e155c46d | stdlib | 1.26.9 | 1 |
| jhonbrownn/ | 8f6551ecc98c | stdlib | 1.26.9 | 1 |
| jhonbrownn/ | 68d6223ea366 | stdlib | 1.26.9 | 1 |
| jitesoft/ | 7f25594d4f33 | stdlib | 1.26.9 | 1 |
| jkaninda/ | 8cfda26ecb7d | stdlib | 1.26.9 | 1 |
| jkremser/ | e35cf56ef183 | stdlib | 1.26.9 | 1 |
| jmferrer/ | 030f68ec6998 | stdlib | 1.26.9 | 1 |
| joeelliott/ | b4acd14642d0 | stdlib | 1.26.9 | 1 |
| johnblack77/ | 816f4e2fea4a | stdlib | 1.26.9 | 1 |
| juicedata/ | 3e4daf9626d5 | stdlib | 1.26.9 | 1 |
| juicedata/ | 43978fc60798 | stdlib | 1.26.9 | 1 |
| juicedata/ | d915e899e322 | stdlib | 1.26.9 | 1 |
| junktext/ | a70936c04aed | stdlib | 1.26.9 | 1 |
| jupyterhub/ | a395326989c3 | stdlib | 1.26.9 | 1 |
| justusbunsi/ | 18dd43b470d9 | stdlib | 1.26.9 | 1 |
| jwilder/ | 839cd6793d19 | stdlib | 1.26.9 | 1 |
| jwkohnen/ | 8cb711bf3bcb | stdlib | 1.26.9 | 1 |
| k8scloudprovider/ | a30c7a2a594a | stdlib | 1.26.9 | 1 |
| k8scloudprovider/ | 6ddf80b34265 | stdlib | 1.26.9 | 1 |
| kadalu/ | 3726d7a805f2 | stdlib | 1.26.9 | 1 |
| kaiso/ | e0e22b928bdd | stdlib | 1.26.9 | 1 |
| kayrosuno/ | f3bd44b29b0d | stdlib | 1.26.9 | 1 |
| kazem26/ | 268b7c6a59dd | stdlib | 1.26.9 | 1 |
| keelhq/ | 02ac4ea616c4 | stdlib | 1.26.9 | 1 |
| keeper/ | 3eb609f3e60c | stdlib | 1.26.9 | 1 |
| keeper/ | aeb5476b95f0 | stdlib | 1.26.9 | 1 |
| kenchrcum/ | c326e28a8f5f | stdlib | 1.26.9 | 1 |
| keptncontrib/ | 29969dd547de | stdlib | 1.26.9 | 1 |
| keptn/ | 6bc3df9e0d6a | stdlib | 1.26.9 | 1 |
| keptn/ | 72e17527a4f9 | stdlib | 1.26.9 | 1 |
| keptnsandbox/ | 6e6d323dd7ae | stdlib | 1.26.9 | 1 |
| kesque/ | ce85c1e7d613 | stdlib | 1.26.9 | 1 |
| keyauthoritydh/ | b2519da39b25 | stdlib | 1.26.9 | 1 |
| keyporttech/ | 5bd7955ea2f1 | stdlib | 1.26.9 | 1 |