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 |
|---|---|---|---|---|
| owncloud/ | b3f9efdcd7f7 | stdlib | 1.26.9 | 1 |
| oxynozeta/ | a153c386f5af | stdlib | 1.26.9 | 1 |
| oxynozeta/ | 31f11669d597 | stdlib | 1.26.9 | 1 |
| oxynozeta/ | 21115040e224 | stdlib | 1.26.9 | 1 |
| pactfoundation/ | 12861b0bd4d9 | stdlib | 1.26.9 | 1 |
| pactfoundation/ | 63801b40a4e9 | stdlib | 1.26.9 | 1 |
| pactfoundation/ | a3021fc42834 | stdlib | 1.26.9 | 1 |
| palopalepalo/ | 56b99b194d20 | stdlib | 1.26.9 | 1 |
| pannoi/ | 9559617788fc | stdlib | 1.26.9 | 1 |
| passbolt/ | ec046e112d5c | stdlib | 1.26.9 | 1 |
| percona/ | 0214e482b2cd | stdlib | 1.26.9 | 1 |
| percona/ | 6cce2698d3f5 | stdlib | 1.26.9 | 1 |
| percona/ | a7c50ef1545e | stdlib | 1.26.9 | 1 |
| percona/ | 78c87b933e18 | stdlib | 1.26.9 | 1 |
| percona/ | d09453ce7886 | stdlib | 1.26.9 | 1 |
| percona/ | 28bfc38c1d4b | stdlib | 1.26.9 | 1 |
| percona/ | 1f978ab8912e | stdlib | 1.26.9 | 1 |
| percona/ | 003f9c25f842 | stdlib | 1.26.9 | 1 |
| persesdev/ | a0e34ddaf9d7 | stdlib | 1.26.9 | 1 |
| persesdev/ | 8f8d7b09caef | stdlib | 1.26.9 | 1 |
| peterdavehello/ | 0cc12d36d312 | stdlib | 1.26.9 | 1 |
| pgsharding/ | 4734940216d3 | stdlib | 1.26.9 | 1 |
| pgsty/ | aa5cc1401b3e | stdlib | 1.26.9 | 1 |
| pgsty/ | 2711cdc5bce0 | stdlib | 1.26.9 | 1 |
| pgsty/ | 635197cb9f36 | stdlib | 1.26.9 | 1 |
| pgvector/ | 7b822b0aac60 | stdlib | 1.26.9 | 1 |
| pgvector/ | ac08538c6f8b | stdlib | 1.26.9 | 1 |
| pgvector/ | ccc6e83d6e35 | stdlib | 1.26.9 | 1 |
| philmtd/ | 224d602420ba | stdlib | 1.26.9 | 1 |
| phntom/ | 97c28e4178ad | stdlib | 1.26.9 | 1 |
| phntom/ | 53883b65d9b7 | stdlib | 1.26.9 | 1 |
| phntom/ | 9242b4df9e65 | stdlib | 1.26.9 | 1 |
| phntom/ | 1b9aafbb62e6 | stdlib | 1.26.9 | 1 |
| phntom/ | 3adadbac8443 | stdlib | 1.26.9 | 1 |
| phntom/ | 8ca4df55499b | stdlib | 1.26.9 | 1 |
| phntom/ | 51cf9da4aa2e | stdlib | 1.26.9 | 1 |
| phntom/ | 5695f546abbb | stdlib | 1.26.9 | 1 |
| phntom/ | 8ea656a2a895 | stdlib | 1.26.9 | 1 |
| photoprism/ | 284de9cc4f9c | stdlib | 1.26.9 | 1 |
| photoprism/ | 2954334adbda | stdlib | 1.26.9 | 1 |
| photoprism/ | 650c6ad5a651 | stdlib | 1.26.9 | 1 |
| photoprism/ | 958642220223 | stdlib | 1.26.9 | 1 |
| photoprism/ | db16ee6b1ba3 | stdlib | 1.26.9 | 1 |
| photoprism/ | f4687352985a | stdlib | 1.26.9 | 1 |
| photoprism/ | fc6fd632ca74 | stdlib | 1.26.9 | 1 |
| piblokto/ | 963cda71e393 | stdlib | 1.26.9 | 1 |
| pinclr/ | f37f250b7091 | stdlib | 1.26.9 | 1 |
| pipekit13/ | 50afc3bd0158 | stdlib | 1.26.9 | 1 |
| platform9community/ | de3fa9b70df1 | stdlib | 1.26.9 | 1 |
| platform9community/ | 40a4970de568 | stdlib | 1.26.9 | 1 |