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 |
|---|---|---|---|---|
| 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/ | 32e3695fe585 | stdlib | 1.26.9 | 1 |
| vdaas/ | 06b4a9b4ab06 | stdlib | 1.26.9 | 1 |
| vdaas/ | f6495f38ae92 | stdlib | 1.26.9 | 1 |
| vdaas/ | 61009e319a9a | stdlib | 1.26.9 | 1 |
| vdaas/ | ab881d2262d8 | 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 |