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 |
|---|---|---|---|---|
| geoservercloud/ | 5dc0c93a1710 | expat | no fix listed | 1 |
| geoservercloud/ | 47ae1bdb4bcc | expat | no fix listed | 1 |
| geoservercloud/ | 4f077124f591 | expat | no fix listed | 1 |
| geoservercloud/ | 28c3e5a8c5a3 | expat | no fix listed | 1 |
| geoservercloud/ | 4f91e3048ac8 | expat | no fix listed | 1 |
| geoservercloud/ | 299f0d6232d1 | expat | no fix listed | 1 |
| geoservercloud/ | 8c70ee06d5ab | expat | no fix listed | 1 |
| geoservercloud/ | 42775ba6a4da | expat | no fix listed | 1 |
| geoservercloud/ | 5164f687ce4d | expat | no fix listed | 1 |
| gethue/ | 11b649636e68 | expat | no fix listed | 1 |
| gethue/ | 5702b2c37ff9 | expat | no fix listed | 1 |
| gethue/ | 7d5c1b9f8a79 | expat | no fix listed | 1 |
| gitea/ | 7940221bcfc9 | expat | 2.8.4-r0 | 1 |
| gitea/ | b5c35d6bdbb9 | expat | 2.8.4-r0 | 1 |
| gitea/ | c2a169c5e998 | expat | 2.8.4-r0 | 1 |
| gitea/ | 1c17ecaead42 | expat | 2.8.4-r0 | 1 |
| gitea/ | 34e3f6b75f5c | expat | 2.8.4-r0 | 1 |
| gitea/ | 7d13848af126 | expat | 2.8.4-r0 | 1 |
| gitea/ | 87a67ee09d3a | expat | 2.8.4-r0 | 1 |
| gitlab/ | 860d4a3fec7a | expat | no fix listed | 1 |
| glarad/ | 807e453354a7 | expat | 2.8.4-r0 | 1 |
| glarad/ | 7b02b9e7f1ef | expat | 2.8.4-r0 | 1 |
| glasskube/ | be5133100d63 | expat | no fix listed | 1 |
| glpi/ | 4b681082a79e | expat | no fix listed | 1 |
| gluufederation/ | fe944d2e5d0f | expat | 2.8.4-r0 | 1 |
| gomods/ | 0f61d1e62359 | expat | 2.8.4-r0 | 1 |
| gomods/ | 97cc113b34b0 | expat | 2.8.4-r0 | 1 |
| gotenberg/ | 206a6c708fc6 | expat | no fix listed | 1 |
| gotenberg/ | 67097317623a | expat | no fix listed | 1 |
| gotenberg/ | a40f92d7419a | expat | no fix listed | 1 |
| gotson/ | 9b15ea6bfc30 | expat | no fix listed | 1 |
| grafana/ | 499851658393 | expat | 2.8.4-r0 | 1 |
| graviteeio/ | 4140932887e0 | expat | 2.8.4-r0 | 1 |
| graylog/ | 19de1aff48c2 | expat | no fix listed | 1 |
| graylog/ | 598bd41fefd5 | expat | no fix listed | 1 |
| graylog/ | e8431d59b84d | expat | no fix listed | 1 |
| graylog/ | 8a1f641cd7aa | expat | no fix listed | 1 |
| grpl/ | c00aafee6629 | expat | no fix listed | 1 |
| guacamole/ | 0f62f6d17ab3 | expat | no fix listed | 1 |
| guillh/ | 4fb99dbc32b2 | expat | no fix listed | 1 |
| gulacedia/ | 67b467d961ca | expat | no fix listed | 1 |
| hamidyousefi93/ | c34f071f6ed0 | expat | no fix listed | 1 |
| hamzaarshad10/ | 2c1c3b86a8e7 | expat | no fix listed | 1 |
| hasura/ | 0111b0204136 | expat | no fix listed | 1 |
| hasura/ | f6c1c4b957d2 | expat | no fix listed | 1 |
| haugene/ | 059216cfae4b | expat | no fix listed | 1 |
| haveagitgat/ | 1256348872ce | expat | no fix listed | 1 |
| haveagitgat/ | 1e3f9328327d | expat | no fix listed | 1 |
| haveagitgat/ | 3ff0913202dd | expat | no fix listed | 1 |
| hazegoodlife/ | 50f02d2d5d4d | expat | no fix listed | 1 |