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
- 5,515
- of 18,090 indexed, latest versions
- Container images
- 6,355
- 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 5,515 of 18,090 indexed charts deploy, on 6,355 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 | 6,355 |
| 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
- DEBIAN-CVE-2026-56866GO-2026-6605CGA-54v4-442r-c4x8
- 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 8 in indexed charts, since 9 Oct 2026. See the ranking →
Charts affected
5,515 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| httpbingoestahnVerified publisher | 0.1.1 | 1 of 1See more | 2,421 |
| beaconchain-explorerethereum-helm-chartsVerified publisher | 0.1.6 | 1 of 2See more | 3,773 |
| erigonethereum-helm-chartsVerified publisher | 2.0.2 | 1 of 2See more | 1,280 |
| ethereumjsethereum-helm-chartsVerified publisher | 0.1.2 | 1 of 2See more | 2,150 |
| genesis-generatorethereum-helm-chartsVerified publisher | 0.2.3 | 1 of 2See more | 4,496 |
| ipfs-clusterethereum-helm-chartsVerified publisher | 0.1.14 | 3 of 3See more | 6,406 |
| iobrokereugen | 0.2.6 | 1 of 1See more | 13,254 |
| evccevccVerified publisher | 1.0.47 | 1 of 1See more | 1,553 |
| event-exporterevent-exporterVerified publisher | 0.1.17 | 1 of 1See more | 1,779 |
| events-exporterevents-exporter | 0.0.4 | 1 of 1See more | 2,881 |
| github-actions-runner-operatorevryfs-ossVerified publisher | 2.8.1 | 1 of 1See more | 1,843 |
| ext-postgres-operatorext-postgres-operatorVerified publisher | 3.0.0 | 1 of 1See more | 737 |
| akauntingf3k-techVerified publisher | 1.3121.0 | 1 of 4See more | 4,879 |
| vidcheckfactlyVerified publisher | 0.5.2 | 1 of 2See more | 4,807 |
| ecr-cleanupfairwinds-stableVerified publisher | 1.2.8 | 1 of 1See more | 1,709 |
| falco-operatorfalcosecurity | 0.3.1 | 1 of 1See more | 711 |
| fastapi-microservice-appfast-api-microservice-app | 1.3.0 | 1 of 4See more | 10,785 |
| featurehubfeaturehub | 4.1.6 | 3 of 7See more | 10,877 |
| federidfederidOfficialVerified publisher | 0.1.2 | 1 of 1See more | 2,734 |
| fencemasterfencemasterVerified publisher | 0.1.13 | 1 of 1See more | 563 |
| taigafermosit | 0.0.11 | 2 of 7See more | 10,057 |
| ferriskeyferriskey | 0.9.0 | 1 of 3See more | 2,514 |
| ai-gatewayferro-labsOfficialVerified publisher | 1.2.0 | 1 of 1See more | 305 |
| file-manager-serverfile-manager-server | 1.11.0 | 1 of 1See more | 1,203 |
| fission-corefission-chartsVerified publisher | 1.14.1 | 3 of 3See more | 10,182 |
| openldapfluktuid | 0.1.1 | 1 of 2See more | 5,164 |
| fluorite-chartfluorite-helmOfficialVerified publisher | 0.1.0 | 1 of 1See more | 160 |
| flyway-operatorflyway-operatorVerified publisher | 0.2.13 | 1 of 1See more | 1,062 |
| contentserverfoomoVerified publisher | 0.8.0 | 1 of 1See more | 476 |
| fqdn-controllerfqdn-controllerOfficialVerified publisher | 0.3.0 | 1 of 1See more | 206 |
| free5gcfree5gcVerified publisher | 0.1.3 | 12 of 12See more | 16,819 |
| fsmfsmOfficialVerified publisher | 0.2.11 | 2 of 5See more | 5,679 |
| function-mesh-operatorfunction-mesh | 0.2.45 | 1 of 1See more | 402 |
| adguard-homegabe565Verified publisher | 0.3.25 | 1 of 2See more | 1,278 |
| home-assistantgabe565Verified publisher | 0.17.0 | 1 of 1See more | 3,076 |
| memosgabe565Verified publisher | 0.17.0 | 1 of 1See more | 2,042 |
| dexgabibbo97 | 4.0.4 | 1 of 1See more | 4,543 |
| garage-uigarage-uiVerified publisher | 0.13.0 | 1 of 1See more | 141 |
| garmgarmVerified publisher | 4.2.0 | 1 of 3See more | 1,125 |
| gateboardgateboard | 1.12.5 | 1 of 1See more | 1,892 |
| 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 |
Container images carrying it
6,355 by charts deploying them
A fixed version is listed for 1 of the 3 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| conduction/ | ece1ab544c57 | stdlib | 1.26.9 | 1 |
| conduction/ | 25415534d245 | stdlib | 1.26.9 | 1 |
| conduction/ | 3423845692c1 | stdlib | 1.26.9 | 1 |
| conduction/ | 2744565516e8 | stdlib | 1.26.9 | 1 |
| conduction/ | e1d4ad1e22a8 | stdlib | 1.26.9 | 1 |
| conduction/ | b6f95c8ead7d | stdlib | 1.26.9 | 1 |
| conduction/ | 8f177f9f8a7b | stdlib | 1.26.9 | 1 |
| conduction/ | 24f03c57568f | stdlib | 1.26.9 | 1 |
| confluentinc/ | 5e8f3ab5b497 | stdlib | 1.26.9 | 1 |
| confluentinc/ | 482d3048b3f6 | stdlib | 1.26.9 | 1 |
| consensys/ | 0a64d3b00613 | stdlib | 1.26.9 | 1 |
| containous/ | 587162516502 | stdlib | 1.26.9 | 1 |
| contentsquareplatform/ | 24555f22d4be | stdlib | 1.26.9 | 1 |
| coordimap/ | 7748fd0fae9f | stdlib | 1.26.9 | 1 |
| coredns/ | 40384aa1f5ea | stdlib | 1.26.9 | 1 |
| coredns/ | 73ca82b4ce82 | stdlib | 1.26.9 | 1 |
| coredns/ | 7efd3c635b03 | stdlib | 1.26.9 | 1 |
| coredns/ | 9caabbf6238b | stdlib | 1.26.9 | 1 |
| coredns/ | a0ead06651cf | stdlib | 1.26.9 | 1 |
| cortezaproject/ | 0bcdcbcd3c63 | stdlib | 1.26.9 | 1 |
| cortezaproject/ | 8eb7a26605c9 | stdlib | 1.26.9 | 1 |
| cortezaproject/ | cb9f200de5d2 | stdlib | 1.26.9 | 1 |
| cortezaproject/ | 4ea78dfe5364 | stdlib | 1.26.9 | 1 |
| couchbase/ | bf2d2e87e45f | stdlib | 1.26.9 | 1 |
| couchbase/ | 69a385b49e1f | stdlib | 1.26.9 | 1 |
| countly/ | f4cc7447c4f5 | stdlib | 1.26.9 | 1 |
| countly/ | e3c238248f99 | stdlib | 1.26.9 | 1 |
| countly/ | 2acbc11499b6 | stdlib | 1.26.9 | 1 |
| craftypath/ | 402a0024c732 | stdlib | 1.26.9 | 1 |
| crocodilestick/ | c31a738b6d5e | stdlib | 1.26.9 | 1 |
| crossplane/ | 66666e6963af | stdlib | 1.26.9 | 1 |
| crossplane/ | 0112171c45e3 | stdlib | 1.26.9 | 1 |
| crossplane/ | 07b8b410dc76 | stdlib | 1.26.9 | 1 |
| crowdfox/ | 6fa7e8063d27 | stdlib | 1.26.9 | 1 |
| csepulvedab/ | 227a6f2b0ff8 | stdlib | 1.26.9 | 1 |
| ctolon17/ | 6023888bf007 | stdlib | 1.26.9 | 1 |
| ctrox/ | 3c72862bea3c | stdlib | 1.26.9 | 1 |
| cube8021/ | c5d1a1ec4c5e | stdlib | 1.26.9 | 1 |
| cyberark/ | 737a967088d9 | stdlib | 1.26.9 | 1 |
| cybrarist/ | e9e2447ac666 | stdlib | 1.26.9 | 1 |
| cyverse/ | c5877ea80e0e | stdlib | 1.26.9 | 1 |
| czerwonk/ | 2a35a0584608 | stdlib | 1.26.9 | 1 |
| czerwonk/ | 94f51e1ef1e2 | stdlib | 1.26.9 | 1 |
| dabealu/ | 86106fec315f | stdlib | 1.26.9 | 1 |
| dagster/ | c9320c34f7ed | stdlib | 1.26.9 | 1 |
| dalf/ | b19cbf5b2f37 | stdlib | 1.26.9 | 1 |
| dalf/ | 248a4849c350 | stdlib | 1.26.9 | 1 |
| danielfm/ | 12485563b1d0 | stdlib | 1.26.9 | 1 |
| danielqsj/ | e90b7ba06d97 | stdlib | 1.26.9 | 1 |
| dannielkil/ | 433290c5c1db | stdlib | 1.26.9 | 1 |