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
- 5,533
- of 18,090 indexed, latest versions
- Container images
- 6,378
- deployed by those charts
- Fix available
- 2 of 3
- affected packages
HTTP/1 client connection desynchronization after CONNECT rejection in net/http
Carried by container images the latest versions of 5,533 of 18,090 indexed charts deploy, on 6,378 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 | 6,378 |
| golang-1.19deb | 1.19.8-2 | no fix listed | 1 |
| ingress-nginx-controller-1.15apk | 1.15.10-r3 | 1.15.10-r8 | 1 |
- OSV records
- CGA-54v4-442r-c4x8DEBIAN-CVE-2026-56866GO-2026-6605
- Also known as
- CGA-h688-8p8g-gxgc, CGA-hmf8-6fq9-3ghf, CGA-m9cf-cw7m-mrq2, CGA-q4hr-6p8w-58w4, CGA-vrj7-cmwf-3pg8
- Trending
- Rank 8 in indexed charts, since 9 Oct 2026. See the ranking →
Charts affected
5,533 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| ryothelmforgeVerified publisher | 1.0.0 | 2 of 2See more | 7,418 |
| siyuanhelmforgeVerified publisher | 1.0.1 | 1 of 1See more | 400 |
| strapihelmforgeVerified publisher | 2.3.15 | 1 of 3See more | 3,010 |
| strava-statisticshelmforgeVerified publisher | 1.1.16 | 1 of 2See more | 1,221 |
| supersethelmforgeVerified publisher | 1.3.8 | 2 of 5See more | 6,458 |
| twentyhelmforgeVerified publisher | 1.0.4 | 1 of 5See more | 3,199 |
| wallabaghelmforgeVerified publisher | 1.3.8 | 2 of 3See more | 3,350 |
| webodmhelmforgeVerified publisher | 1.0.0 | 1 of 4See more | 22,597 |
| zookeeperhelmforgeVerified publisher | 1.0.2 | 1 of 1See more | 3,902 |
| harborhelm-harborVerified publisher | 2.3.7 | 5 of 8See more | 1,577 |
| openaevhelm-openbasVerified publisher | 2.0.12 | 1 of 7See more | 21,594 |
| openbashelm-openbasVerified publisher | 1.8.14 | 1 of 7See more | 26,397 |
| release-cleanerhelm-release-cleanerVerified publisher | 1.0.0 | 1 of 1See more | 2,554 |
| pageshelm-repo | 1.0.0 | 1 of 3See more | 21,310 |
| steampipehelm-steampipeVerified publisher | 2.4.1 | 1 of 1See more | 3,897 |
| svacerhelm-svacer | 0.6.0 | 1 of 1See more | 7,182 |
| 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 | 3,475 |
| kubefaashfoxy-helm-charts | 0.1.6 | 3 of 4See more | 7,965 |
| tapo-prometheus-exporterhfoxy-helm-charts | 0.1.11 | 1 of 1See more | 1,427 |
| goshimmerhiveroad | 0.2.14 | 1 of 1See more | 3,814 |
| cratedb-adapterhmdmph | 0.1.0 | 1 of 1See more | 4,117 |
| printserverhmediadeVerified publisher | 1.0.2 | 2 of 4See more | 12,885 |
| imageproxyhmphuVerified publisher | 0.1.1 | 1 of 1See more | 3,311 |
| holmesholmes | 0.1.0 | 1 of 1See more | 2,881 |
| 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 | 3,707 |
| cert-managerhomeenterpriseinc | 1.10.1 | 3 of 3See more | 7,277 |
| homeassistanthomeenterpriseinc | 0.3.0 | 1 of 1See more | 9,054 |
| photoprismhomeenterpriseinc | 0.8.0 | 1 of 1See more | 3,224 |
| paperlesshomelabcihelmchartstestVerified publisher | 9.1.9 | 1 of 1See more | 18,551 |
| honeydipperhoneydipperVerified publisher | 0.1.11 | 1 of 2See more | 2,847 |
| hoppscotchhoppscotch | 0.1.1 | 1 of 1See more | 4,627 |
| 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 | 35,136 |
| wallabaghpVerified publisher | 0.1.7 | 1 of 1See more | 1,548 |
| hammerspace-csihscsi | 1.2.8 | 6 of 6See more | 7,746 |
| eoloplanthttpd-eoloplant | 0.1.0 | 3 of 7See more | 37,293 |
| http-headershttp-headers | 1.2.1 | 1 of 1See more | 2,702 |
| cac-systemhuangchengwu-helm-chart | 0.1.0 | 7 of 9See more | 16,519 |
| 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 | 18,467 |
| skywalking-v1huangchengwu-helm-chart | 0.1.0 | 1 of 4See more | 22,554 |
| tdenginehuangchengwu-helm-chart | 3.0.2 | 1 of 1See more | 4,959 |
| 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
6,378 by charts deploying them
A fixed version is listed for 2 of the 3 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| free5gc/ | 687ff4daf5da | stdlib | 1.26.9 | 2 |
| free5gc/ | e2a4dd98a4ed | stdlib | 1.26.9 | 2 |
| free5gc/ | 99e46b860efb | stdlib | 1.26.9 | 2 |
| free5gc/ | dfe8c68c04b4 | stdlib | 1.26.9 | 2 |
| free5gc/ | f712e8ecd927 | stdlib | 1.26.9 | 2 |
| free5gc/ | 60e38baa4b10 | stdlib | 1.26.9 | 2 |
| free5gc/ | 2f68df062a50 | stdlib | 1.26.9 | 2 |
| free5gc/ | c0783bcdcbdc | stdlib | 1.26.9 | 2 |
| free5gc/ | b6b362a39fdd | stdlib | 1.26.9 | 2 |
| free5gc/ | 9adeb18492cb | stdlib | 1.26.9 | 2 |
| freikin/ | 589e3606b11b | stdlib | 1.26.9 | 2 |
| friendsofgo/ | 39cfbecca342 | stdlib | 1.26.9 | 2 |
| frinx/ | bf8edd4f52f3 | stdlib | 1.26.9 | 2 |
| frinx/ | 9cd0147a09bd | stdlib | 1.26.9 | 2 |
| frinx/ | 4693dc627d32 | stdlib | 1.26.9 | 2 |
| garethgeorge/ | b85297975428 | stdlib | 1.26.9 | 2 |
| garugaru/ | 541852cafda5 | stdlib | 1.26.9 | 2 |
| githubexporter/ | a36fbedeedf8 | stdlib | 1.26.9 | 2 |
| goelankit/ | 0d9a82dcf026 | stdlib | 1.26.9 | 2 |
| gomods/ | efb811df7844 | stdlib | 1.26.9 | 2 |
| gotenberg/ | 87c16b9f3642 | stdlib | 1.26.9 | 2 |
| gotenberg/ | f29984bd1e22 | stdlib | 1.26.9 | 2 |
| governify/ | e83a17ba5038 | stdlib | 1.26.9 | 2 |
| grafana/ | a136c6208aa3 | stdlib | 1.26.9 | 2 |
| grafana/ | 7790f6f7fbd8 | stdlib | 1.26.9 | 2 |
| grafana/ | b8ec653c4423 | stdlib | 1.26.9 | 2 |
| grafana/ | 057896e23443 | stdlib | 1.26.9 | 2 |
| grafana/ | 079600c9517b | stdlib | 1.26.9 | 2 |
| grafana/ | 0f86bada30d6 | stdlib | 1.26.9 | 2 |
| grafana/ | 2175aaa91c96 | stdlib | 1.26.9 | 2 |
| grafana/ | 42d3e6bc1865 | stdlib | 1.26.9 | 2 |
| grafana/ | 511bc20bfcd1 | stdlib | 1.26.9 | 2 |
| grafana/ | 886b56d5534e | stdlib | 1.26.9 | 2 |
| grafana/ | 9e1e77ade304 | stdlib | 1.26.9 | 2 |
| grafana/ | d8ea37798ccc | stdlib | 1.26.9 | 2 |
| grafana/ | e932bd6ed0e0 | stdlib | 1.26.9 | 2 |
| grafana/ | 847c287ada0e | stdlib | 1.26.9 | 2 |
| grafana/ | 922b3f412fdd | stdlib | 1.26.9 | 2 |
| grafana/ | d947e68a84d9 | stdlib | 1.26.9 | 2 |
| grafana/ | f9ef133793af | stdlib | 1.26.9 | 2 |
| grafana/ | 46e88d390cd6 | stdlib | 1.26.9 | 2 |
| grafana/ | b338a29de45e | stdlib | 1.26.9 | 2 |
| grafana/ | f0200a9bff6d | stdlib | 1.26.9 | 2 |
| grafana/ | f0561deb1c68 | stdlib | 1.26.9 | 2 |
| hanchuanchuan/ | b3c0dd26fb50 | stdlib | 1.26.9 | 2 |
| hashicorp/ | 3a8061968ee4 | stdlib | 1.26.9 | 2 |
| hashicorp/ | e38576edcdfd | stdlib | 1.26.9 | 2 |
| hashicorp/ | 538a3436398d | stdlib | 1.26.9 | 2 |
| hashicorp/ | 4db614d40d0e | stdlib | 1.26.9 | 2 |
| hashicorp/ | 6b4e5dadf082 | stdlib | 1.26.9 | 2 |