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
- 5,377
- of 18,104 indexed, latest versions
- Container images
- 6,223
- 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 5,377 of 18,104 indexed charts deploy, on 6,223 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 | 6,223 |
| 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
5,377 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| filebrowsergeek-cookbookVerified publisher | 1.4.2 | 1 of 1See more | 4,654 |
| focalboardgeek-cookbookVerified publisher | 4.4.2 | 1 of 1See more | 5,295 |
| gollumgeek-cookbookVerified publisher | 3.4.2 | 1 of 3See more | 5,444 |
| influxdb-exportergeek-cookbookVerified publisher | 1.2.2 | 1 of 1See more | 1,929 |
| network-ups-toolsgeek-cookbookVerified publisher | 6.4.2 | 1 of 1See more | 15,346 |
| otel-collectorgeek-cookbookVerified publisher | 1.2.2 | 1 of 1See more | 3,630 |
| owncastgeek-cookbookVerified publisher | 3.4.2 | 1 of 1See more | 4,385 |
| protonmail-bridgegeek-cookbookVerified publisher | 5.4.2 | 1 of 1See more | 9,509 |
| prowlarrgeek-cookbookVerified publisher | 4.5.2 | 1 of 1See more | 13,106 |
| sabnzbdgeek-cookbookVerified publisher | 9.4.2 | 1 of 1See more | 11,752 |
| sambageek-cookbookVerified publisher | 6.2.2 | 1 of 1See more | 3,275 |
| sonarrgeek-cookbookVerified publisher | 16.3.2 | 1 of 1See more | 14,432 |
| stashgeek-cookbookVerified publisher | 3.4.2 | 1 of 1See more | 17,829 |
| uptime-kumageek-cookbookVerified publisher | 1.4.2 | 1 of 1See more | 6,775 |
| valheimgeek-cookbookVerified publisher | 4.4.2 | 1 of 1See more | 2,958 |
| wireguardgeek-cookbookVerified publisher | 1.4.2 | 1 of 1See more | 8,996 |
| gentrace-self-hostedgentrace-self-hostedVerified publisher | 0.1.3 | 2 of 9See more | 16,957 |
| geo-checkergeo-checkerVerified publisher | 5.0.0 | 1 of 1See more | 1,960 |
| ghostfolioghostfolioVerified publisher | 0.5.4 | 1 of 3See more | 3,824 |
| gigapipegigapipeVerified publisher | 0.3.0 | 1 of 1See more | 1,089 |
| leantimegissilabs | 1.3.0 | 1 of 2See more | 7,640 |
| gitea-sonarqube-botgitea-sonarqube-botOfficialVerified publisher | 0.4.0 | 1 of 1See more | 1,685 |
| git-hubbygit-hubbyOfficialVerified publisher | 1.20.11 | 1 of 1See more | 254 |
| github-platform-operatorgithub-platform-operatorVerified publisher | 0.7.8 | 1 of 1See more | 260 |
| github-stsgithub-sts-helmVerified publisher | 0.1.1 | 1 of 1See more | 257 |
| gitops-reversergitops-reverserVerified publisher | 0.52.0 | 1 of 1See more | 205 |
| prometheus-kafka-exportergkarthiks | 0.1.3 | 1 of 1See more | 205 |
| temporalglasskubeVerified publisher | 0.45.2-gk.1 | 10 of 14See more | 23,262 |
| daos-operatorgluesysVerified publisher | 0.1.5 | 1 of 1See more | 208 |
| relay-proxygo-feature-flagOfficialVerified publisher | 1.56.0 | 1 of 1See more | 205 |
| go-hello-world-chartgo-hello-worldVerified publisher | 1.8.3 | 1 of 1See more | 1,238 |
| gomenhashaigomenhashaiOfficialVerified publisher | 1.3.4 | 1 of 1See more | 1,063 |
| gorse-enterprisegorse-io | 0.4.2 | 3 of 5See more | 6,807 |
| gotosocialgotosocialVerified publisher | 0.2.32 | 1 of 1See more | 656 |
| meta-monitoringgrafana | 1.3.0 | 2 of 2See more | 4,897 |
| phlaregrafana | 0.5.4 | 1 of 1See more | 2,887 |
| gkograviteeioVerified publisher | 4.12.21 | 1 of 1See more | 317 |
| greenkubegreenkubeVerified publisher | 0.3.0 | 1 of 3See more | 2,173 |
| gremlingremlin | 0.30.0 | 1 of 2See more | 368 |
| armada-operatorgresearch | 0.7.0 | 2 of 2See more | 2,777 |
| carettagroundcover | 0.0.16 | 3 of 3See more | 9,886 |
| ghostgroundhog2k | 0.212.16 | 1 of 1See more | 2,025 |
| growthbookgrowthbook | 5.1.0 | 1 of 2See more | 1,496 |
| IMgrycapOfficialVerified publisher | 1.8.0 | 1 of 3See more | 5,148 |
| oscargrycapOfficialVerified publisher | 4.2.0 | 1 of 2See more | 646 |
| castopodh2mVerified publisher | 1.12.10 | 1 of 3See more | 11,462 |
| haproxy-unified-gatewayhaproxytechVerified publisher | 1.2.0 | 1 of 1See more | 1,002 |
| boundary-controllerhashicorpVerified publisher | 0.2.0 | 1 of 1See more | 421 |
| boundary-workerhashicorpVerified publisher | 0.2.0 | 1 of 1See more | 421 |
| terraform-cloud-operatorhashicorpVerified publisher | 2.5.0 | 2 of 2See more | 2,604 |
Container images carrying it
6,223 by charts deploying them
A fixed version is listed for 1 of the 2 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| thecodingmachine/ | 5bdab56da2fa | stdlib | 1.26.9 | 1 |
| thecodingmachine/ | d8f66979b9b4 | stdlib | 1.26.9 | 1 |
| thecodingmachine/ | df31006cc4ce | stdlib | 1.26.9 | 1 |
| thecodingmachine/ | 3ccd467543b3 | stdlib | 1.26.9 | 1 |
| thecodingmachine/ | 962e98843fb2 | stdlib | 1.26.9 | 1 |
| thelande/ | 7e9072ace15f | stdlib | 1.26.9 | 1 |
| thelisdeep/ | 6a8b0c89227b | stdlib | 1.26.9 | 1 |
| thesisrobot/ | 287129953689 | stdlib | 1.26.9 | 1 |
| thesisrobot/ | d94c8dbf6dac | stdlib | 1.26.9 | 1 |
| thetorproject/ | 1ddc5069d354 | stdlib | 1.26.9 | 1 |
| thev1ndu/ | a07203713933 | stdlib | 1.26.9 | 1 |
| thijsvanloef/ | 401d3eb5c053 | stdlib | 1.26.9 | 1 |
| thijsvanloef/ | b4ac9ee22483 | stdlib | 1.26.9 | 1 |
| thingsboard/ | 0f6c14031777 | stdlib | 1.26.9 | 1 |
| thomseddon/ | 69a2c985d2c5 | stdlib | 1.26.9 | 1 |
| thomseddon/ | b364aa6a4117 | stdlib | 1.26.9 | 1 |
| tile38/ | 5b61c6f3b32e | stdlib | 1.26.9 | 1 |
| tile38/ | afb7e82f9485 | stdlib | 1.26.9 | 1 |
| timescale/ | 645fd9e92d76 | stdlib | 1.26.9 | 1 |
| timescale/ | 6f139d560429 | stdlib | 1.26.9 | 1 |
| timescale/ | a8e3322e1cf9 | stdlib | 1.26.9 | 1 |
| timescale/ | cdb9ae118899 | stdlib | 1.26.9 | 1 |
| timescale/ | e8d0a9cc3db5 | stdlib | 1.26.9 | 1 |
| timescale/ | e9f34d8dd276 | stdlib | 1.26.9 | 1 |
| timescale/ | ed719c0cd19d | stdlib | 1.26.9 | 1 |
| timescale/ | 7758704d4a14 | stdlib | 1.26.9 | 1 |
| timonwong/ | a0fcc028bd8d | stdlib | 1.26.9 | 1 |
| tinymediamanager/ | 48c15784a127 | stdlib | 1.26.9 | 1 |
| tksky1/ | ec7b889f380f | stdlib | 1.26.9 | 1 |
| tobiasbp/ | 14bee6e33a26 | stdlib | 1.26.9 | 1 |
| tobiasehlert/ | cf09259ad0ea | stdlib | 1.26.9 | 1 |
| tobirachel/ | 7d9f37154994 | stdlib | 1.26.9 | 1 |
| tolgee/ | ca5a59abeacd | stdlib | 1.26.9 | 1 |
| toniblyx/ | cf1ee9fc5b67 | stdlib | 1.26.9 | 1 |
| toucansoftware/ | c187b1fba501 | stdlib | 1.26.9 | 1 |
| trackerforce/ | 20235fe419e4 | stdlib | 1.26.9 | 1 |
| traefik/ | cf071f3e165c | stdlib | 1.26.9 | 1 |
| traefik/ | 6259bdda7aa6 | stdlib | 1.26.9 | 1 |
| traefik/ | 1474027c3166 | stdlib | 1.26.9 | 1 |
| traefik/ | 1699d99cb4b9 | stdlib | 1.26.9 | 1 |
| traefik/ | 2c52bb2c8480 | stdlib | 1.26.9 | 1 |
| traefik/ | 8d0f943abdbf | stdlib | 1.26.9 | 1 |
| traefik/ | d38496bf0900 | stdlib | 1.26.9 | 1 |
| traggo/ | f1ced637510e | stdlib | 1.26.9 | 1 |
| tranhailong/ | 028662749be2 | stdlib | 1.26.9 | 1 |
| 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 |