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
- 5,323
- of 18,117 indexed, latest versions
- Container images
- 6,150
- 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 5,323 of 18,117 indexed charts deploy, on 6,150 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 | 6,150 |
| golang-1.19deb | 1.19.8-2 | no fix listed | 1 |
- OSV records
- DEBIAN-CVE-2026-56866GO-2026-6605
- Trending
- Rank 10 in indexed charts, since 9 Oct 2026. See the ranking →
Charts affected
5,323 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| xteveluiscajl | 0.1.6 | 1 of 1See more | 5,501 |
| lumenvox-external-serviceslumenvox | 8.0.0 | 3 of 3See more | 9,016 |
| ratelimitlumiumcoVerified publisher | 0.0.4 | 1 of 2See more | 1,574 |
| lumovilumoviVerified publisher | 1.21.0 | 1 of 1See more | 553 |
| lynxpromptlynxpromptVerified publisher | 0.1.4 | 1 of 3See more | 851 |
| as212510-netm0nsterrr-as212510-netVerified publisher | 4.0.3 | 1 of 1See more | 148 |
| qbittorrentm0nsterrr-qbittorrentVerified publisher | 7.1.3 | 1 of 2See more | 723 |
| recyclarrm0nsterrr-recyclarrVerified publisher | 2.7.3 | 1 of 1See more | 205 |
| argusm0sh1-helm-charts | 0.5.0 | 1 of 1See more | 1,800 |
| gitea-runnerm0sh1-helm-charts | 0.2.3 | 2 of 2See more | 5,272 |
| wudm0sh1-helm-charts | 0.2.0 | 1 of 1See more | 8,091 |
| whoamim11sVerified publisher | 0.3.0 | 1 of 1See more | 357 |
| kube-benchm9sweeperVerified publisher | 1.6.0 | 1 of 1See more | 1,984 |
| m9sweeperm9sweeperVerified publisher | 1.6.0 | 2 of 6See more | 12,063 |
| magistralamagistrala-devopsVerified publisher | 0.16.2 | 17 of 42See more | 34,769 |
| docker-mailservermailserverVerified publisher | 0.2.65 | 4 of 9See more | 14,458 |
| demoshopmakaira | 2.4.0 | 1 of 4See more | 4,668 |
| mangadev-hello-worldmangadev | 0.3.0 | 1 of 1See more | 1,295 |
| novosgamarcusrepo | 0.1.1 | 2 of 2See more | 5,120 |
| whoamimario-fVerified publisher | 1.0.1 | 1 of 1See more | 2,369 |
| consumermarthydavidVerified publisher | 0.1.6 | 1 of 1See more | 1,245 |
| producermarthydavidVerified publisher | 0.1.6 | 1 of 1See more | 1,245 |
| ejabberdmartialblog | 0.3.1 | 1 of 1See more | 161 |
| circleci-runnermatic-insurance | 0.1.1 | 1 of 1See more | 4,912 |
| kruisematrixone-operatorVerified publisher | 1.8.3 | 2 of 2See more | 3,163 |
| matrix-sliding-syncmatrix-sliding-sync | 0.2.3 | 1 of 1See more | 2,283 |
| focalboardmattermostVerified publisher | 0.5.0 | 1 of 1See more | 5,584 |
| mattermostmattermostVerified publisher | 2.8.1 | 1 of 1See more | 677 |
| mattermost-calls-offloadermattermostVerified publisher | 0.2.1 | 1 of 1See more | 1,985 |
| mattermost-chaos-enginemattermostVerified publisher | 0.2.0 | 1 of 1See more | 5,569 |
| mattermost-push-proxymattermostVerified publisher | 0.14.3 | 1 of 1See more | 1,460 |
| mattermost-team-editionmattermost-team-edition | 6.6.83 | 1 of 4See more | 5,216 |
| mauticmautic-chartVerified publisher | 1.0.2 | 1 of 3See more | 10,007 |
| mayastormayastorVerified publisher | 2.12.2 | 16 of 31See more | 31,173 |
| eoloplantmca-eoloplaner | 0.1.0 | 2 of 7See more | 34,641 |
| claude-code-apimcp-helmVerified publisher | 0.1.1 | 1 of 1See more | 4,902 |
| mcp-kubernetesmcp-helmVerified publisher | 0.2.7 | 1 of 1See more | 6,746 |
| mdai-event-hubmdai-event-hubVerified publisher | 0.1.11 | 1 of 1See more | 762 |
| mdai-gatewaymdai-gatewayVerified publisher | 0.1.10 | 1 of 1See more | 748 |
| mdai-hubmdai-hubVerified publisher | 0.10.1 | 12 of 14See more | 13,188 |
| mdai-s3-logs-readermdai-s3-logs-readerVerified publisher | 0.0.8 | 1 of 1See more | 853 |
| medewerkercatalogusmedewerkercatalogus | 1.0.0 | 1 of 3See more | 9,339 |
| pod-cleanupmediamarktsaturn | 1.2.1 | 1 of 1See more | 910 |
| cleanuparrmedia-servarrVerified publisher | 0.20.1 | 1 of 1See more | 2,037 |
| sabnzbdmedia-servarrVerified publisher | 1.7.0 | 1 of 3See more | 1,081 |
| tinymediamanagermedia-servarrVerified publisher | 1.7.1 | 1 of 2See more | 10,522 |
| cameramedia-streaming-meshVerified publisher | 0.2.5 | 1 of 3See more | 20,721 |
| crdsmedia-streaming-meshVerified publisher | 0.0.1 | 1 of 2See more | 4,685 |
| ingressmedia-streaming-meshVerified publisher | 0.1.8 | 2 of 2See more | 4,866 |
| msmmedia-streaming-meshVerified publisher | 0.1.17 | 5 of 6See more | 15,458 |
Container images carrying it
6,150 by charts deploying them
A fixed version is listed for 1 of the 2 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| moikot/ | 0d941bd30ffa | stdlib | 1.26.9 | 1 |
| moikot/ | 8625f53aa9b7 | stdlib | 1.26.9 | 1 |
| moikot/ | fb8565140106 | stdlib | 1.26.9 | 1 |
| mongodb/ | cfe202a2a076 | stdlib | 1.26.9 | 1 |
| mongodb/ | 3a8affee01fd | stdlib | 1.26.9 | 1 |
| monitoror/ | 4b88edcf51ff | stdlib | 1.26.9 | 1 |
| moonrailgun/ | b528c8f8fcc4 | stdlib | 1.26.9 | 1 |
| moul/ | 332b603727c3 | stdlib | 1.26.9 | 1 |
| mpioperator/ | 3ccfa8d8b7bf | stdlib | 1.26.9 | 1 |
| mrnim94/ | 86c4807a4bca | stdlib | 1.26.9 | 1 |
| muonsoft/ | c9afe1295484 | stdlib | 1.26.9 | 1 |
| murtazashah46/ | 4d11726cf803 | stdlib | 1.26.9 | 1 |
| mvisonneau/ | fc45ad8abf10 | stdlib | 1.26.9 | 1 |
| mzinc/ | eebbcbf2d1f7 | stdlib | 1.26.9 | 1 |
| mziyabo/ | 3067dce17983 | stdlib | 1.26.9 | 1 |
| n8nio/ | 8b39ed5a2de9 | stdlib | 1.26.9 | 1 |
| n8nio/ | ed16e560c40e | stdlib | 1.26.9 | 1 |
| n8nio/ | 1522f8179b76 | stdlib | 1.26.9 | 1 |
| nacos/ | a9c769301fa6 | stdlib | 1.26.9 | 1 |
| nadoo/ | 38aadefbd607 | stdlib | 1.26.9 | 1 |
| nathanfirmo/ | 6b0487e6e987 | stdlib | 1.26.9 | 1 |
| natsio/ | 58862daca582 | stdlib | 1.26.9 | 1 |
| natsio/ | 1cc420186664 | stdlib | 1.26.9 | 1 |
| natsio/ | 59cf2e949181 | stdlib | 1.26.9 | 1 |
| natsio/ | 5d513bf0bb82 | stdlib | 1.26.9 | 1 |
| natsio/ | abdc9f9f0120 | stdlib | 1.26.9 | 1 |
| natsio/ | b7f9328145f4 | stdlib | 1.26.9 | 1 |
| natsio/ | c507bd7e3831 | stdlib | 1.26.9 | 1 |
| natsio/ | e808e0644ce1 | stdlib | 1.26.9 | 1 |
| natsio/ | ffce8bd10338 | stdlib | 1.26.9 | 1 |
| natsio/ | bb241956b0dc | stdlib | 1.26.9 | 1 |
| natsio/ | 1261dae38389 | stdlib | 1.26.9 | 1 |
| natsio/ | 0d50270fa374 | stdlib | 1.26.9 | 1 |
| natsio/ | 5b21830a9e9d | stdlib | 1.26.9 | 1 |
| natsio/ | 6bdaceb63aa5 | stdlib | 1.26.9 | 1 |
| natsio/ | 81edf32a3680 | stdlib | 1.26.9 | 1 |
| natsio/ | 8c28b75bc416 | stdlib | 1.26.9 | 1 |
| natsio/ | ad0374303b13 | stdlib | 1.26.9 | 1 |
| natsio/ | bf97e5e9b9d2 | stdlib | 1.26.9 | 1 |
| natsio/ | c3a755eab2cc | stdlib | 1.26.9 | 1 |
| natsio/ | 7d0ca8d7ec52 | stdlib | 1.26.9 | 1 |
| natsio/ | 02469dc907bc | stdlib | 1.26.9 | 1 |
| natsio/ | 2adf791d9f9f | stdlib | 1.26.9 | 1 |
| natsio/ | 4665cdc7e749 | stdlib | 1.26.9 | 1 |
| natsio/ | 4fbf6dacb847 | stdlib | 1.26.9 | 1 |
| natsio/ | 5387a5923572 | stdlib | 1.26.9 | 1 |
| natsio/ | 54b0d7ff058e | stdlib | 1.26.9 | 1 |
| natsio/ | bce728062c4f | stdlib | 1.26.9 | 1 |
| ncabatoff/ | 6f0549dc24e9 | stdlib | 1.26.9 | 1 |
| neo4j/ | 0c6c9ee5f7dc | stdlib | 1.26.9 | 1 |