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 |
|---|---|---|---|
| reconcilerepmdedpVerified publisher | 2.12.0 | 1 of 1See more | 3,103 |
| sonar-operatorepmdedpVerified publisher | 3.4.0 | 1 of 1See more | 384 |
| tekton-cacheepmdedpVerified publisher | 0.4.5 | 1 of 2See more | 1,163 |
| tekton-custom-taskepmdedpVerified publisher | 0.2.0 | 1 of 1See more | 1,053 |
| codebase-operatorepmdedp-devVerified publisher | 2.12.0-MDTU-DDM-SNAPSHOT.10 | 1 of 1See more | 3,961 |
| gerrit-operatorepmdedp-devVerified publisher | 2.11.0-MDTU-DDM-SNAPSHOT.2 | 1 of 1See more | 3,947 |
| jenkins-operatorepmdedp-devVerified publisher | 2.11.0-MDTU-DDM-SNAPSHOT.1 | 1 of 1See more | 3,400 |
| keycloak-operatorepmdedp-devVerified publisher | 1.11.0-MDTU-DDM-SNAPSHOT.10 | 1 of 1See more | 3,367 |
| equizequiz | 0.0.1 | 1 of 3See more | 9,787 |
| equizequiz-chart | 0.0.1 | 1 of 3See more | 9,787 |
| erasereraser | 1.4.2 | 1 of 1See more | 372 |
| yopassernail-yopass | 2.0.0 | 1 of 1See more | 1,732 |
| escvmschedulerescvmscheduler | 1.0.7 | 1 of 3See more | 6,303 |
| espocrmespocrmVerified publisher | 1.0.1 | 1 of 2See more | 7,949 |
| etcd-defragetcd-defragVerified publisher | 0.28.1 | 1 of 1See more | 218 |
| armiarmaethereum-helm-chartsVerified publisher | 0.1.2 | 1 of 2See more | 1,836 |
| assertoorethereum-helm-chartsVerified publisher | 1.2.0 | 1 of 1See more | 3,574 |
| authenticatoorethereum-helm-chartsVerified publisher | 0.1.0 | 1 of 1See more | 508 |
| benchmarkoor-apiethereum-helm-chartsVerified publisher | 0.1.0 | 1 of 1See more | 1,430 |
| blob-me-babyethereum-helm-chartsVerified publisher | 0.1.2 | 1 of 1See more | 2,105 |
| buildoor-overviewethereum-helm-chartsVerified publisher | 0.0.1 | 1 of 1See more | 901 |
| cbt-apiethereum-helm-chartsVerified publisher | 0.0.14 | 1 of 1See more | 613 |
| chaos-meshethereum-helm-chartsVerified publisher | 0.0.3 | 4 of 4See more | 16,517 |
| checkpointzethereum-helm-chartsVerified publisher | 0.1.3 | 1 of 1See more | 1,198 |
| contributoorethereum-helm-chartsVerified publisher | 0.0.2 | 1 of 1See more | 1,311 |
| doraethereum-helm-chartsVerified publisher | 1.0.12 | 1 of 2See more | 3,201 |
| dugtrioethereum-helm-chartsVerified publisher | 0.0.7 | 1 of 1See more | 1,812 |
| erpcethereum-helm-chartsVerified publisher | 0.0.4 | 1 of 1See more | 1,452 |
| eth2-fork-monethereum-helm-chartsVerified publisher | 0.1.3 | 1 of 1See more | 2,927 |
| ethereum-address-metrics-exporterethereum-helm-chartsVerified publisher | 0.2.0 | 1 of 1See more | 854 |
| ethereum-metrics-exporterethereum-helm-chartsVerified publisher | 0.2.1 | 1 of 1See more | 322 |
| ethereum-validator-metrics-exporterethereum-helm-chartsVerified publisher | 0.0.1 | 1 of 1See more | 1,192 |
| eth-faucetethereum-helm-chartsVerified publisher | 0.1.1 | 1 of 1See more | 2,777 |
| execution-processorethereum-helm-chartsVerified publisher | 0.0.3 | 1 of 1See more | 1,061 |
| forkmonethereum-helm-chartsVerified publisher | 0.1.6 | 1 of 1See more | 2,434 |
| forkyethereum-helm-chartsVerified publisher | 0.2.0 | 1 of 1See more | 2,335 |
| lodestarethereum-helm-chartsVerified publisher | 1.2.2 | 1 of 2See more | 3,357 |
| nethermindethereum-helm-chartsVerified publisher | 1.1.2 | 1 of 2See more | 673 |
| rpc-proxyethereum-helm-chartsVerified publisher | 0.1.2 | 1 of 1See more | 2,012 |
| rpc-snooperethereum-helm-chartsVerified publisher | 0.0.2 | 1 of 1See more | 2,073 |
| slashoorethereum-helm-chartsVerified publisher | 0.1.0 | 1 of 1See more | 678 |
| spamoorethereum-helm-chartsVerified publisher | 1.0.1 | 1 of 1See more | 1,320 |
| splitoorethereum-helm-chartsVerified publisher | 0.0.1 | 1 of 1See more | 1,776 |
| stubbiesethereum-helm-chartsVerified publisher | 0.0.2 | 1 of 1See more | 1,277 |
| syncoor-serverethereum-helm-chartsVerified publisher | 0.0.1 | 1 of 1See more | 1,432 |
| testnet-homepageethereum-helm-chartsVerified publisher | 0.2.3 | 1 of 1See more | 3,844 |
| tracoor-agentethereum-helm-chartsVerified publisher | 0.0.1 | 1 of 1See more | 559 |
| tracoor-serverethereum-helm-chartsVerified publisher | 0.0.2 | 1 of 1See more | 559 |
| tracoor-singleethereum-helm-chartsVerified publisher | 0.0.5 | 1 of 2See more | 559 |
| web3signerethereum-helm-chartsVerified publisher | 1.0.6 | 1 of 4See more | 698 |
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 |
|---|---|---|---|---|
| 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 |
| danroux/ | dee851fc72cc | stdlib | 1.26.9 | 1 |
| danuk/ | dd0e6585c44f | stdlib | 1.26.9 | 1 |
| daprio/ | 4be696707bd1 | stdlib | 1.26.9 | 1 |
| daprio/ | 7ba5d51e5b97 | stdlib | 1.26.9 | 1 |
| daprio/ | 763b9b70b0c8 | stdlib | 1.26.9 | 1 |
| daprio/ | c584428aa12d | stdlib | 1.26.9 | 1 |
| daprio/ | d8e1446da996 | stdlib | 1.26.9 | 1 |
| daprio/ | 1f507c1a181b | stdlib | 1.26.9 | 1 |
| darioackermann/ | 0d450bc4acc4 | stdlib | 1.26.9 | 1 |
| darkobas/ | 62e6464491ba | stdlib | 1.26.9 | 1 |
| darkobas/ | f26e016a9d7e | stdlib | 1.26.9 | 1 |
| darthsim/ | 3b709e4a0e5e | stdlib | 1.26.9 | 1 |
| darthsim/ | 40f6eb807444 | stdlib | 1.26.9 | 1 |
| darthsim/ | 476cb08c816a | stdlib | 1.26.9 | 1 |
| darthsim/ | 7d12c7c8fc66 | stdlib | 1.26.9 | 1 |
| darthsim/ | c0d8c00be50c | stdlib | 1.26.9 | 1 |
| dashops/ | 23537693ff05 | stdlib | 1.26.9 | 1 |
| dasmeta/ | fa657960dfec | stdlib | 1.26.9 | 1 |
| datadog/ | 8f20e56b5311 | stdlib | 1.26.9 | 1 |
| datadog/ | aad9994de6a7 | stdlib | 1.26.9 | 1 |
| datadog/ | 513a4377aed5 | stdlib | 1.26.9 | 1 |
| datadog/ | 17f08a860090 | stdlib | 1.26.9 | 1 |
| datamate/ | 2dd66b722464 | stdlib | 1.26.9 | 1 |
| datappeal/ | e38c085a3567 | stdlib | 1.26.9 | 1 |
| datappeal/ | 325b91c2b09e | stdlib | 1.26.9 | 1 |
| datappeal/ | 6b5b9fdb2e6d | stdlib | 1.26.9 | 1 |
| datasaker/ | 08b52999f67b | stdlib | 1.26.9 | 1 |
| datasaker/ | 2542ee73be51 | stdlib | 1.26.9 | 1 |
| datasaker/ | d6d2eb48589d | stdlib | 1.26.9 | 1 |
| datasaker/ | 1b95913b6729 | stdlib | 1.26.9 | 1 |
| datasaker/ | 2f38720a637d | stdlib | 1.26.9 | 1 |
| datawire/ | 07f8fe4f4f8e | stdlib | 1.26.9 | 1 |
| datawire/ | 2beb65062c8b | stdlib | 1.26.9 | 1 |
| datawire/ | 95ec30b3c732 | stdlib | 1.26.9 | 1 |
| datawire/ | f95ae710d75c | stdlib | 1.26.9 | 1 |
| datawire/ | 9716efbdd24b | stdlib | 1.26.9 | 1 |
| ddefrancesco/ | daaac6657600 | stdlib | 1.26.9 | 1 |
| ddosify/ | ea602056d9ce | stdlib | 1.26.9 | 1 |