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 |
|---|---|---|---|---|
| library/ | 05b8cb60c354 | expat | no fix listed | 106 |
| dellcloud/ | 6ba7b22caacd | expat | no fix listed | 79 |
| flyway/ | 22d97ceb0c47 | expat | no fix listed | 79 |
| library/ | d5792f71a949 | expat | no fix listed | 23 |
| codeurjc/ | 9fb4c11e6a49 | expat | no fix listed | 13 |
| jenkins/ | c1e4c349365f | expat | no fix listed | 13 |
| oomk8s/ | 875814cc853d | expat | no fix listed | 11 |
| library/ | 8a279e9396a8 | expat | no fix listed | 10 |
| library/ | e582c0bc7766 | expat | no fix listed | 8 |
| jellyfin/ | aefb67e6a7ff | expat | no fix listed | 7 |
| library/ | a42d2b4503e7 | expat | no fix listed | 7 |
| library/ | 3a8a8d6b5289 | expat | no fix listed | 7 |
| ghcr.io/ | aa810a36942c | expat | no fix listed | 7 |
| library/ | 5a93c470ae82 | expat | no fix listed | 6 |
| nginxinc/ | 0c79d56aee56 | expat | 2.8.4-r0 | 6 |
| oomk8s/ | 7daa08b81954 | expat | no fix listed | 6 |
| quay.io/ | 95d6f0e05636 | expat | no fix listed | 6 |
| bitnamilegacy/ | c74b703deed2 | expat | no fix listed | 5 |
| flaresolverr/ | 139dfee1c6f8 | expat | no fix listed | 5 |
| library/ | 979c38c2228d | expat | no fix listed | 5 |
| library/ | 2a8cf3b110cd | expat | no fix listed | 5 |
| solsson/ | 41e5d8f6f290 | expat | no fix listed | 5 |
| hyperledger/ | 4ce6f43ded2e | expat | no fix listed | 4 |
| hyperledger/ | f6c724592abf | expat | no fix listed | 4 |
| jaegertracing/ | d48d6dab2c65 | expat | no fix listed | 4 |
| library/ | 1b766f17b840 | expat | 2.8.4-r0 | 4 |
| library/ | 287ff321f9e3 | expat | no fix listed | 4 |
| library/ | 606d8c0d6b3c | expat | 2.8.4-r0 | 4 |
| library/ | c3f70098e01d | expat | no fix listed | 4 |
| mastercloudapps/ | 40a950b311b2 | expat | no fix listed | 4 |
| opea/ | 0c25aab3f106 | expat | no fix listed | 4 |
| oscarsotosanchez/ | 911ec961d10b | expat | no fix listed | 4 |
| pihole/ | f7d1be836e3b | expat | 2.8.4-r0 | 4 |
| ghcr.io/ | 180acad33d69 | expat | 2.8.4-r0 | 4 |
| ghcr.io/ | 0c00cb0bda1a | expat | no fix listed | 4 |
| aktosecurity/ | 3aa7b960bf32 | expat | 2.8.4-r0 | 3 |
| alpine/ | 6f3b5029566d | expat | 2.8.4-r0 | 3 |
| bitnamilegacy/ | cd354d5b2556 | expat | no fix listed | 3 |
| ciscolabs/ | a7b60ec88285 | expat | no fix listed | 3 |
| ciscolabs/ | b59fc10bb821 | expat | no fix listed | 3 |
| cloudve/ | 4a3d7fae90bb | expat | no fix listed | 3 |
| codeurjc/ | 800cf520c245 | expat | no fix listed | 3 |
| decisionrules/ | 92e459f2c673 | expat | 2.8.4-r0 | 3 |
| dgraph/ | 3b55ea83fffe | expat | no fix listed | 3 |
| dnationcloud/ | 78fed4f3c130 | expat | no fix listed | 3 |
| gchq/ | 5ec58edbb2db | expat | no fix listed | 3 |
| guacamole/ | f344085e618b | expat | no fix listed | 3 |
| jacobalberty/ | 896c0ab82d33 | expat | no fix listed | 3 |
| library/ | a484819eb602 | expat | no fix listed | 3 |
| library/ | be23f54a88d3 | expat | no fix listed | 3 |