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 |
|---|---|---|---|---|
| atlassian/ | 51c2d7274eef | expat | no fix listed | 1 |
| atlassian/ | 05933f2b1cfd | expat | no fix listed | 1 |
| atlassian/ | 3b9222ab32ef | expat | no fix listed | 1 |
| atlassian/ | c81cc7d6bc9e | expat | no fix listed | 1 |
| atlassian/ | ebf761c7d437 | expat | no fix listed | 1 |
| atlassian/ | 37bc46cbec1a | expat | no fix listed | 1 |
| atlassian/ | 64a75aa4ec4e | expat | no fix listed | 1 |
| atlassian/ | e5548cd4eea8 | expat | no fix listed | 1 |
| avinash263/ | aa2b8727f1a6 | expat | no fix listed | 1 |
| avzini/ | f40b30210ed0 | expat | no fix listed | 1 |
| awesometechnologies/ | a1c1f4662875 | expat | 2.8.4-r0 | 1 |
| baserow/ | e0b3c8130b91 | expat | no fix listed | 1 |
| baserow/ | df0c42eb67e8 | expat | no fix listed | 1 |
| bbernhard/ | 549ad08d7e14 | expat | no fix listed | 1 |
| beanbag/ | 6b840f546e1c | expat | no fix listed | 1 |
| berkeleyskypilot/ | 3bc8bf8f4d83 | expat | no fix listed | 1 |
| berkeleyskypilot/ | 8da2f3cda472 | expat | no fix listed | 1 |
| beyzkaya/ | 12a6a3d1c5f9 | expat | no fix listed | 1 |
| beyzkaya/ | bf412d75c510 | expat | 2.8.4-r0 | 1 |
| bicarus/ | b1dab0721e1c | expat | no fix listed | 1 |
| bitnamilegacy/ | cb8ab5515676 | expat | no fix listed | 1 |
| bitnamilegacy/ | 1249fc292e84 | expat | no fix listed | 1 |
| bitnamilegacy/ | 64614ef8290f | expat | no fix listed | 1 |
| bitnamilegacy/ | 744f84cf7493 | expat | no fix listed | 1 |
| bitnamilegacy/ | f5fc0d561d9e | expat | no fix listed | 1 |
| bitnamilegacy/ | f02c000c54b1 | expat | no fix listed | 1 |
| blackducksoftware/ | b10eaea94fd3 | expat | no fix listed | 1 |
| blakeblackshear/ | ae269270ad9e | expat | no fix listed | 1 |
| bloxstaking/ | bf6d7d2fdc93 | expat | no fix listed | 1 |
| bmeares/ | 8e9c5bacaa82 | expat | no fix listed | 1 |
| bnjbvr/ | 37e216b182c8 | expat | no fix listed | 1 |
| boky/ | aafc77238423 | expat | no fix listed | 1 |
| boky/ | f3f247fd4252 | expat | no fix listed | 1 |
| browserless/ | c81ae5585b47 | expat | no fix listed | 1 |
| budibase/ | 44fe6feab985 | expat | 2.8.4-r0 | 1 |
| budibase/ | d90f656261c9 | expat | no fix listed | 1 |
| budibase/ | 8d780b6ee602 | expat | no fix listed | 1 |
| byjg/ | 230fdb7b00ae | expat | 2.8.4-r0 | 1 |
| calltelemetry/ | 05d13269e350 | expat | no fix listed | 1 |
| camptocamp/ | bf2e8e118c9b | expat | no fix listed | 1 |
| carbone/ | 518172cbad49 | expat | no fix listed | 1 |
| carlosmz87/ | 8ffa63aa995d | expat | no fix listed | 1 |
| cars10/ | efddf4fa0fd8 | expat | 2.8.4-r0 | 1 |
| castlemock/ | b7f3f1527ba9 | expat | no fix listed | 1 |
| castopod/ | 1fd37280cbb2 | expat | no fix listed | 1 |
| castopod/ | 4e4f0440520f | expat | no fix listed | 1 |
| cbioportal/ | 08debbd2dbf9 | expat | no fix listed | 1 |
| cccs/ | c914f21a41d7 | expat | no fix listed | 1 |
| cccs/ | c2f9619d9bcd | expat | no fix listed | 1 |
| cccs/ | caf40394bd17 | expat | no fix listed | 1 |