CVE-2026-66046
HighAdvisory
Published 18 Aug 2026In the index since 5 Sept 2026
- Severity
- High
- worst across findings
- CVSS
- 8.7
- base score, highest
- EPSS
- 0.006
- 46th percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 1,796
- of 17,787 indexed, latest versions
- Container images
- 1,661
- deployed by those charts
- Fix available
- 3 of 3
- affected packages
CVE-2026-66046 affecting package expat for versions less than 2.8.3-2
Carried by container images the latest versions of 1,796 of 17,787 indexed charts deploy, on 1,661 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| expatdeb | 2.1.0-4ubuntu1, 2.1.0-4ubuntu1.4, 2.1.0-7ubuntu0.16.04.2, 2.1.0-7ubuntu0.16.04.3+36 more | 2.8.4-1 | 1,247 |
| expatapk | 2.6.4-r0, 2.7.0-r0, 2.7.1-r0, 2.7.2-r0+7 more | 2.8.4-r0 | 412 |
| expatrpm | 2.8.2-1.azl3 | 2.8.3-2 | 2 |
Charts affected
1,796 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| hello-world-charthelm-chart-test-hello-world | 0.1.0 | 1 of 1See more | 1,839 |
| mywebhelmchartwebapp | 0.0.5 | 1 of 1See more | 1,693 |
| my-apphelm-demo8564 | 0.2.7 | 1 of 2See more | 1,839 |
| chart-bookhelm-deploy-book | 0.1.0 | 1 of 3See more | 8,618 |
| helmfile-gitops-agenthelmfile-gitops-agentVerified publisher | 1.1.96 | 2 of 3See more | 2,597 |
| apachehelmforgeVerified publisher | 1.0.6 | 1 of 1See more | 1,693 |
| appwritehelmforgeVerified publisher | 1.3.4 | 2 of 5See more | 7,010 |
| archiveboxhelmforgeVerified publisher | 1.1.12 | 1 of 1See more | 7,648 |
| booklorehelmforgeVerified publisher | 2.0.1 | 1 of 3See more | 2,324 |
| castopodhelmforgeVerified publisher | 1.2.7 | 1 of 3See more | 9,422 |
| changedetectionhelmforgeVerified publisher | 1.1.15 | 1 of 1See more | 2,602 |
| chiefonboardinghelmforgeVerified publisher | 1.1.14 | 1 of 3See more | 10,898 |
| ckanhelmforgeVerified publisher | 1.3.8 | 1 of 6See more | 9,991 |
| countlyhelmforgeVerified publisher | 1.2.6 | 1 of 3See more | 18,923 |
| dawarichhelmforgeVerified publisher | 1.0.0 | 1 of 4See more | 4,698 |
| discount-bandithelmforgeVerified publisher | 2.0.8 | 1 of 3See more | 29,852 |
| druidhelmforgeVerified publisher | 1.3.6 | 2 of 4See more | 8,598 |
| drupalhelmforgeVerified publisher | 1.2.13 | 1 of 2See more | 3,660 |
| entehelmforgeVerified publisher | 1.0.2 | 1 of 4See more | 4,227 |
| fastmcp-serverhelmforgeVerified publisher | 1.7.4 | 1 of 1See more | 3,294 |
| generichelmforgeVerified publisher | 3.1.5 | 1 of 1See more | 1,839 |
| giteahelmforgeVerified publisher | 1.1.20 | 1 of 1See more | 536 |
| immichhelmforgeVerified publisher | 1.2.8 | 2 of 5See more | 11,080 |
| jenkinshelmforgeVerified publisher | 1.0.9 | 1 of 1See more | 2,487 |
| jupyterhubhelmforgeVerified publisher | 1.0.6 | 1 of 3See more | 5,350 |
| mcp-serverhelmforgeVerified publisher | 1.0.0 | 1 of 1See more | 3,442 |
| medikeephelmforgeVerified publisher | 2.0.0 | 1 of 3See more | 6,041 |
| middlewarehelmforgeVerified publisher | 1.2.6 | 1 of 4See more | 9,704 |
| minecrafthelmforgeVerified publisher | 1.5.3 | 1 of 1See more | 4,702 |
| moodlehelmforgeVerified publisher | 1.1.0 | 1 of 2See more | 5,911 |
| netboxhelmforgeVerified publisher | 2.0.1 | 1 of 4See more | 4,321 |
| nextcloudhelmforgeVerified publisher | 1.0.0 | 1 of 3See more | 7,041 |
| opencloudhelmforgeVerified publisher | 1.0.0 | 1 of 1See more | 663 |
| openreel-videohelmforgeVerified publisher | 1.0.3 | 1 of 1See more | 1,086 |
| phpmyadminhelmforgeVerified publisher | 2.0.1 | 1 of 1See more | 4,741 |
| poznotehelmforgeVerified publisher | 2.0.2 | 1 of 1See more | 483 |
| strapihelmforgeVerified publisher | 2.3.14 | 1 of 3See more | 2,073 |
| tomcathelmforgeVerified publisher | 1.0.6 | 1 of 2See more | 1,224 |
| uptime-kumahelmforgeVerified publisher | 1.5.12 | 1 of 1See more | 30,106 |
| zookeeperhelmforgeVerified publisher | 1.0.2 | 1 of 1See more | 3,142 |
| myapphelmingapp | 0.1.0 | 1 of 1See more | 11,441 |
| jellyfinhelm-l3st86Verified publisher | 0.1.8 | 1 of 1See more | 2,615 |
| openaevhelm-openbasVerified publisher | 2.0.5 | 1 of 7See more | 7,502 |
| openbashelm-openbasVerified publisher | 1.8.14 | 2 of 7See more | 25,099 |
| release-cleanerhelm-release-cleanerVerified publisher | 1.0.0 | 1 of 1See more | 2,001 |
| pageshelm-repo | 1.0.0 | 2 of 3See more | 20,233 |
| svacerhelm-svacer | 0.6.0 | 1 of 1See more | 6,076 |
| my-nginxhelmtaiwo | 0.1.0 | 1 of 1See more | 1,839 |
| samplehelmapphelmtraining | 3.0.0 | 1 of 1See more | 5,114 |
| nominatimheywood8-helm-chartsVerified publisher | 3.10.8 | 1 of 3See more | 14,350 |
Container images carrying it
1,661 by charts deploying them
A fixed version is listed for 3 of the 3 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| hazegoodlife/ | 8d4c63169e14 | expat | no fix listed | 1 |
| headwindmdm/ | 3550b4840840 | expat | no fix listed | 1 |
| heartexlabs/ | aa461572e8f9 | expat | 2.8.4-r0 | 1 |
| hecrom/ | bb0372939c19 | expat | no fix listed | 1 |
| helicone/ | 4c69b971a7e4 | expat | no fix listed | 1 |
| helicone/ | 4a913936c97b | expat | no fix listed | 1 |
| helmforge/ | 61f759a1421f | expat | no fix listed | 1 |
| helmforge/ | fcb7017327d6 | expat | no fix listed | 1 |
| helmforge/ | 7ba0d47b943f | expat | 2.8.4-r0 | 1 |
| helmforge/ | 70e9143d6d92 | expat | 2.8.4-r0 | 1 |
| hiboxsystems/ | b59f01bc0418 | expat | no fix listed | 1 |
| hiboxsystems/ | dcffb926e563 | expat | no fix listed | 1 |
| hirosystems/ | 9c98b23c1515 | expat | no fix listed | 1 |
| hivemq/ | aba306d1f089 | expat | no fix listed | 1 |
| hivemq/ | 241d6a8e1963 | expat | no fix listed | 1 |
| hivemq/ | a919f990141b | expat | no fix listed | 1 |
| hivemq/ | f9746d5d70fa | expat | no fix listed | 1 |
| hjacobs/ | fbb303ed463c | expat | no fix listed | 1 |
| hjacobs/ | 431f1bf013d0 | expat | no fix listed | 1 |
| hmediade/ | 481a552c8e1c | expat | no fix listed | 1 |
| hmediade/ | 7f005eb6c718 | expat | no fix listed | 1 |
| homeassistant/ | 5a531753cea9 | expat | 2.8.4-r0 | 1 |
| housewrecker/ | f417dd0a7547 | expat | no fix listed | 1 |
| huginn/ | c794eddc7b47 | expat | no fix listed | 1 |
| hugohg34/ | 812a03b3f274 | expat | no fix listed | 1 |
| hyperglance/ | 467ad8491bc3 | expat | no fix listed | 1 |
| hyperglance/ | 9fd5faf1fe80 | expat | no fix listed | 1 |
| hyperglance/ | b2f8c6d52623 | expat | no fix listed | 1 |
| hyperledger/ | c65891b6c237 | expat | no fix listed | 1 |
| ibmcom/ | 7e4dc1e27cdf | expat | no fix listed | 1 |
| ibmcom/ | b5d8c6714dbc | expat | no fix listed | 1 |
| ibmcom/ | e17bdccc5030 | expat | no fix listed | 1 |
| ibmcom/ | 395e60cc6e3d | expat | no fix listed | 1 |
| ildarmukhametzyanov/ | 15d23720a3ee | expat | no fix listed | 1 |
| inseefrlab/ | 31f04ca7436b | expat | no fix listed | 1 |
| instill/ | c4a393e601ed | expat | no fix listed | 1 |
| instill/ | ebe12f77a3f9 | expat | no fix listed | 1 |
| instill/ | e980125e5ba5 | expat | no fix listed | 1 |
| intel/ | aa8f5483a2ef | expat | no fix listed | 1 |
| intel/ | 1a89327e499b | expat | no fix listed | 1 |
| intelowlproject/ | 0b22e547ea6b | expat | no fix listed | 1 |
| intelowlproject/ | 2f01e79b8064 | expat | 2.8.4-r0 | 1 |
| inventree/ | a946ec09da3e | expat | no fix listed | 1 |
| iofog/ | 7260cf861479 | expat | no fix listed | 1 |
| iomesh/ | 1a151f602451 | expat | no fix listed | 1 |
| iomesh/ | 5d3f9bf9240b | expat | no fix listed | 1 |
| iosifache/ | 85df3f04b5da | expat | no fix listed | 1 |
| ispras/ | 42aa9fa9f189 | expat | no fix listed | 1 |
| istio/ | b8f16a765eea | expat | no fix listed | 1 |
| istio/ | 72f25a55f078 | expat | no fix listed | 1 |