CVE-2026-56866
MediumAdvisory
Published 8 Oct 2026In the index since 9 Oct 2026
- Severity
- Medium
- worst across findings
- CVSS
- 5.5
- base score, highest
- EPSS
- 0.002
- 5th percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 5,544
- of 18,087 indexed, latest versions
- Container images
- 6,392
- deployed by those charts
- Fix available
- 1 of 3
- affected packages
HTTP/1 client connection desynchronization after CONNECT rejection in net/http
Carried by container images the latest versions of 5,544 of 18,087 indexed charts deploy, on 6,392 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 | 6,392 |
| golang-1.19deb | 1.19.8-2 | no fix listed | 1 |
| ingress-nginx-controller-1.15apk | 1.15.10-r3 | no fix listed | 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 13 in indexed charts, since 9 Oct 2026. See the ranking →
Charts affected
5,544 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| gateboard-discoverygateboard | 1.9.5 | 1 of 1See more | 1,599 |
| gboxgboxVerified publisher | 1.0.5 | 1 of 2See more | 3,487 |
| adguard-homegeek-cookbookVerified publisher | 5.5.2 | 1 of 2See more | 2,676 |
| alertmanager-botgeek-cookbookVerified publisher | 6.4.2 | 1 of 1See more | 4,735 |
| bazarrgeek-cookbookVerified publisher | 10.6.2 | 1 of 1See more | 19,102 |
| filebrowsergeek-cookbookVerified publisher | 1.4.2 | 1 of 1See more | 4,573 |
| focalboardgeek-cookbookVerified publisher | 4.4.2 | 1 of 1See more | 5,213 |
| gollumgeek-cookbookVerified publisher | 3.4.2 | 1 of 3See more | 5,367 |
| influxdb-exportergeek-cookbookVerified publisher | 1.2.2 | 1 of 1See more | 1,874 |
| network-ups-toolsgeek-cookbookVerified publisher | 6.4.2 | 1 of 1See more | 15,289 |
| otel-collectorgeek-cookbookVerified publisher | 1.2.2 | 1 of 1See more | 3,548 |
| owncastgeek-cookbookVerified publisher | 3.4.2 | 1 of 1See more | 4,305 |
| protonmail-bridgegeek-cookbookVerified publisher | 5.4.2 | 1 of 1See more | 9,428 |
| prowlarrgeek-cookbookVerified publisher | 4.5.2 | 1 of 1See more | 13,050 |
| sabnzbdgeek-cookbookVerified publisher | 9.4.2 | 1 of 1See more | 11,695 |
| sambageek-cookbookVerified publisher | 6.2.2 | 1 of 1See more | 3,219 |
| sonarrgeek-cookbookVerified publisher | 16.3.2 | 1 of 1See more | 14,375 |
| stashgeek-cookbookVerified publisher | 3.4.2 | 1 of 1See more | 17,748 |
| uptime-kumageek-cookbookVerified publisher | 1.4.2 | 1 of 1See more | 6,695 |
| valheimgeek-cookbookVerified publisher | 4.4.2 | 1 of 1See more | 2,893 |
| wireguardgeek-cookbookVerified publisher | 1.4.2 | 1 of 1See more | 8,938 |
| gentrace-self-hostedgentrace-self-hostedVerified publisher | 0.1.3 | 2 of 9See more | 16,832 |
| geo-checkergeo-checkerVerified publisher | 5.0.0 | 1 of 1See more | 1,909 |
| ghostfolioghostfolioVerified publisher | 0.5.4 | 1 of 3See more | 3,761 |
| gigapipegigapipeVerified publisher | 0.3.0 | 1 of 1See more | 1,013 |
| leantimegissilabs | 1.3.0 | 1 of 2See more | 7,583 |
| gitea-sonarqube-botgitea-sonarqube-botOfficialVerified publisher | 0.4.0 | 1 of 1See more | 1,608 |
| git-hubbygit-hubbyOfficialVerified publisher | 1.20.11 | 1 of 1See more | 177 |
| github-platform-operatorgithub-platform-operatorVerified publisher | 0.7.8 | 1 of 1See more | 183 |
| github-stsgithub-sts-helmVerified publisher | 0.1.1 | 1 of 1See more | 180 |
| gitops-reversergitops-reverserVerified publisher | 0.52.0 | 1 of 1See more | 128 |
| prometheus-kafka-exportergkarthiks | 0.1.3 | 1 of 1See more | 128 |
| temporalglasskubeVerified publisher | 0.45.2-gk.1 | 10 of 14See more | 22,494 |
| daos-operatorgluesysVerified publisher | 0.1.5 | 1 of 1See more | 131 |
| relay-proxygo-feature-flagOfficialVerified publisher | 1.56.0 | 1 of 1See more | 128 |
| go-hello-world-chartgo-hello-worldVerified publisher | 1.8.3 | 1 of 1See more | 1,162 |
| gomenhashaigomenhashaiOfficialVerified publisher | 1.3.4 | 1 of 1See more | 987 |
| gorse-enterprisegorse-io | 0.4.2 | 3 of 5See more | 6,576 |
| gotosocialgotosocialVerified publisher | 0.2.32 | 1 of 1See more | 579 |
| meta-monitoringgrafana | 1.3.0 | 2 of 2See more | 4,767 |
| phlaregrafana | 0.5.4 | 1 of 1See more | 2,810 |
| gkograviteeioVerified publisher | 4.12.21 | 1 of 1See more | 240 |
| greenkubegreenkubeVerified publisher | 0.3.0 | 1 of 3See more | 2,110 |
| gremlingremlin | 0.30.0 | 1 of 2See more | 293 |
| armada-operatorgresearch | 0.7.0 | 2 of 2See more | 2,624 |
| carettagroundcover | 0.0.16 | 3 of 3See more | 9,649 |
| ghostgroundhog2k | 0.212.16 | 1 of 1See more | 1,962 |
| growthbookgrowthbook | 5.1.0 | 1 of 2See more | 1,420 |
| IMgrycapOfficialVerified publisher | 1.8.0 | 1 of 3See more | 5,095 |
| oscargrycapOfficialVerified publisher | 4.2.0 | 1 of 2See more | 570 |
Container images carrying it
6,392 by charts deploying them
A fixed version is listed for 1 of the 3 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| library/ | eda951fd29a8 | stdlib | 1.26.9 | 2 |
| library/ | f5af5a5ce17f | stdlib | 1.26.9 | 2 |
| library/ | e6b279d01350 | stdlib | 1.26.9 | 2 |
| lightninglabs/ | f86bbec4dfb3 | stdlib | 1.26.9 | 2 |
| linuxserver/ | 45c5fe102ff3 | stdlib | 1.26.9 | 2 |
| listmonk/ | d2eac77ddfad | stdlib | 1.26.9 | 2 |
| listmonk/ | f535d59e1499 | stdlib | 1.26.9 | 2 |
| localstack/ | 801a3dff7f6a | stdlib | 1.26.9 | 2 |
| longhornio/ | dca34321452c | stdlib | 1.26.9 | 2 |
| louislam/ | 96510915e6be | stdlib | 1.26.9 | 2 |
| louislam/ | 9aeb4e51d038 | stdlib | 1.26.9 | 2 |
| louislam/ | a8610b3b4c38 | stdlib | 1.26.9 | 2 |
| louislam/ | c74379ac4509 | stdlib | 1.26.9 | 2 |
| mattermost/ | b8bd1246cb3a | stdlib | 1.26.9 | 2 |
| matthiasluedtke/ | 661d607b0fbc | stdlib | 1.26.9 | 2 |
| maxrocketinternet/ | a867315facf8 | stdlib | 1.26.9 | 2 |
| maxrocketinternet/ | 1a281b76efa3 | stdlib | 1.26.9 | 2 |
| mesosphere/ | 073db43d0b8b | stdlib | 1.26.9 | 2 |
| mesosphere/ | ea01a9387771 | stdlib | 1.26.9 | 2 |
| mikefarah/ | 4b3d9475d655 | stdlib | 1.26.9 | 2 |
| moby/ | 504731e577c2 | stdlib | 1.26.9 | 2 |
| nacos/ | 1c191c30c8cd | stdlib | 1.26.9 | 2 |
| natsio/ | 9fbf7bf684e4 | stdlib | 1.26.9 | 2 |
| natsio/ | 47094fcae2f4 | stdlib | 1.26.9 | 2 |
| natsio/ | 911ce7ed2f55 | stdlib | 1.26.9 | 2 |
| natsio/ | e414cc7e6f59 | stdlib | 1.26.9 | 2 |
| natsio/ | 16048afb67a5 | stdlib | 1.26.9 | 2 |
| natsio/ | 31c02aac089a | stdlib | 1.26.9 | 2 |
| neosmemo/ | 24c2707ddd8f | stdlib | 1.26.9 | 2 |
| nousresearch/ | fca358f12efd | stdlib | 1.26.9 | 2 |
| obolnetwork/ | 278c7e2897b6 | stdlib | 1.26.9 | 2 |
| oliver006/ | 4af75e9f16f6 | stdlib | 1.26.9 | 2 |
| openbas/ | a277796d9724 | golang-1.19 stdlib | no fix listed 1.26.9 | 2 |
| opencloudeu/ | 8fc64ca86173 | stdlib | 1.26.9 | 2 |
| opencloudeu/ | f9634bb04905 | stdlib | 1.26.9 | 2 |
| openebs/ | c86c06f1ce6a | stdlib | 1.26.9 | 2 |
| openebs/ | 4d1b85539919 | stdlib | 1.26.9 | 2 |
| openebs/ | bb04e41fc1b8 | stdlib | 1.26.9 | 2 |
| openebs/ | 99f5116f5cb8 | stdlib | 1.26.9 | 2 |
| openfga/ | 9cf9a20af32a | stdlib | 1.26.9 | 2 |
| openkruise/ | edc7cf9428fd | stdlib | 1.26.9 | 2 |
| openpolicyagent/ | 825370bdb3c3 | stdlib | 1.26.9 | 2 |
| oryd/ | 0a7a2bfd0e7d | stdlib | 1.26.9 | 2 |
| oryd/ | d06fc5845f63 | stdlib | 1.26.9 | 2 |
| oryd/ | fe2428f103a6 | stdlib | 1.26.9 | 2 |
| oryd/ | e8cb9b79a89c | stdlib | 1.26.9 | 2 |
| osixia/ | ccd95cc6e61e | stdlib | 1.26.9 | 2 |
| otel/ | 7ef2a2ff46b9 | stdlib | 1.26.9 | 2 |
| otel/ | a7343f018690 | stdlib | 1.26.9 | 2 |
| otel/ | fd328de25524 | stdlib | 1.26.9 | 2 |