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
- 1,793
- of 17,792 indexed, latest versions
- Container images
- 1,659
- 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 1,793 of 17,792 indexed charts deploy, on 1,659 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 | 1,249 |
| expatapk | 2.6.4-r0, 2.7.0-r0, 2.7.1-r0, 2.7.2-r0+7 more | 2.8.4-r0 | 408 |
| expatrpm | 2.8.2-1.azl3 | 2.8.3-2 | 2 |
Charts affected
1,793 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| chart-bookhelm-deploy-book | 0.1.0 | 1 of 3See more | 9,165 |
| helmfile-gitops-agenthelmfile-gitops-agentVerified publisher | 1.1.96 | 2 of 3See more | 2,613 |
| apachehelmforgeVerified publisher | 1.0.6 | 1 of 1See more | 1,715 |
| appwritehelmforgeVerified publisher | 2.0.0 | 1 of 5See more | 4,717 |
| archiveboxhelmforgeVerified publisher | 1.1.12 | 1 of 1See more | 7,666 |
| booklorehelmforgeVerified publisher | 2.0.1 | 1 of 3See more | 2,343 |
| castopodhelmforgeVerified publisher | 1.2.7 | 1 of 3See more | 9,524 |
| changedetectionhelmforgeVerified publisher | 1.1.16 | 1 of 1See more | 2,630 |
| chiefonboardinghelmforgeVerified publisher | 1.1.15 | 1 of 3See more | 7,209 |
| ckanhelmforgeVerified publisher | 1.3.8 | 1 of 6See more | 10,064 |
| countlyhelmforgeVerified publisher | 1.2.6 | 1 of 3See more | 18,967 |
| dawarichhelmforgeVerified publisher | 1.0.1 | 2 of 4See more | 10,497 |
| discount-bandithelmforgeVerified publisher | 2.0.8 | 1 of 3See more | 30,281 |
| druidhelmforgeVerified publisher | 1.3.6 | 2 of 4See more | 8,660 |
| drupalhelmforgeVerified publisher | 1.2.13 | 1 of 2See more | 3,902 |
| entehelmforgeVerified publisher | 1.0.2 | 1 of 4See more | 4,283 |
| fastmcp-serverhelmforgeVerified publisher | 1.7.4 | 1 of 1See more | 3,306 |
| generichelmforgeVerified publisher | 3.1.5 | 1 of 1See more | 1,861 |
| giteahelmforgeVerified publisher | 1.1.20 | 1 of 1See more | 543 |
| immichhelmforgeVerified publisher | 1.2.8 | 2 of 5See more | 11,180 |
| jenkinshelmforgeVerified publisher | 1.0.9 | 1 of 1See more | 2,498 |
| jupyterhubhelmforgeVerified publisher | 1.0.6 | 1 of 3See more | 5,471 |
| mcp-serverhelmforgeVerified publisher | 1.0.0 | 1 of 1See more | 3,455 |
| medikeephelmforgeVerified publisher | 2.0.1 | 1 of 3See more | 5,463 |
| middlewarehelmforgeVerified publisher | 1.2.6 | 1 of 4See more | 9,801 |
| minecrafthelmforgeVerified publisher | 1.5.4 | 1 of 1See more | 4,162 |
| moodlehelmforgeVerified publisher | 1.1.0 | 1 of 2See more | 6,325 |
| netboxhelmforgeVerified publisher | 2.0.1 | 1 of 4See more | 4,396 |
| nextcloudhelmforgeVerified publisher | 1.0.0 | 1 of 3See more | 7,244 |
| opencloudhelmforgeVerified publisher | 1.0.0 | 1 of 1See more | 670 |
| openreel-videohelmforgeVerified publisher | 1.0.3 | 1 of 1See more | 1,081 |
| phpmyadminhelmforgeVerified publisher | 2.0.1 | 1 of 1See more | 4,848 |
| poznotehelmforgeVerified publisher | 2.0.3 | 1 of 1See more | 476 |
| strapihelmforgeVerified publisher | 2.3.14 | 1 of 3See more | 2,103 |
| tomcathelmforgeVerified publisher | 1.0.6 | 1 of 2See more | 1,301 |
| zookeeperhelmforgeVerified publisher | 1.0.2 | 1 of 1See more | 3,154 |
| myapphelmingapp | 0.1.0 | 1 of 1See more | 12,694 |
| jellyfinhelm-l3st86Verified publisher | 0.1.8 | 1 of 1See more | 2,639 |
| openaevhelm-openbasVerified publisher | 2.0.5 | 1 of 7See more | 7,564 |
| openbashelm-openbasVerified publisher | 1.8.14 | 2 of 7See more | 25,217 |
| release-cleanerhelm-release-cleanerVerified publisher | 1.0.0 | 1 of 1See more | 1,997 |
| pageshelm-repo | 1.0.0 | 2 of 3See more | 20,262 |
| svacerhelm-svacer | 0.6.0 | 1 of 1See more | 6,105 |
| my-nginxhelmtaiwo | 0.1.0 | 1 of 1See more | 1,861 |
| samplehelmapphelmtraining | 3.0.0 | 1 of 1See more | 6,013 |
| nominatimheywood8-helm-chartsVerified publisher | 3.10.8 | 1 of 3See more | 14,421 |
| hivemq-edgehivemqOfficialVerified publisher | 0.1.36 | 1 of 1See more | 1,251 |
| printserverhmediadeVerified publisher | 1.0.2 | 2 of 4See more | 11,002 |
| paperlesshomelabcihelmchartstestVerified publisher | 9.1.9 | 1 of 1See more | 16,444 |
| webserverhongshaoyangVerified publisher | 0.1.3 | 1 of 1See more | 897 |
Container images carrying it
1,659 by charts deploying them
A fixed version is listed for 3 of the 3 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| ghcr.io/ | 4d763d58f11d | expat | no fix listed | 1 |
| ghcr.io/ | 6047599cd78e | expat | no fix listed | 1 |
| ghcr.io/ | 984dc4f19162 | expat | no fix listed | 1 |
| ghcr.io/ | 10c57cbc7ad0 | expat | 2.8.4-r0 | 1 |
| ghcr.io/ | c9bd82dc5fda | expat | no fix listed | 1 |
| ghcr.io/ | fdb5501cdfb9 | expat | no fix listed | 1 |
| ghcr.io/ | 5c6b8f91f1c4 | expat | no fix listed | 1 |
| ghcr.io/ | 827aa2f2389d | expat | no fix listed | 1 |
| ghcr.io/ | 54ebc1f90963 | expat | no fix listed | 1 |
| ghcr.io/ | e5571acd10ce | expat | no fix listed | 1 |
| ghcr.io/ | ef3670f7e0a8 | expat | no fix listed | 1 |
| ghcr.io/ | c863aa9875fa | expat | no fix listed | 1 |
| ghcr.io/ | 61deadd1ec78 | expat | no fix listed | 1 |
| ghcr.io/ | c2d6e775db5a | expat | no fix listed | 1 |
| ghcr.io/ | 0eb230e2381a | expat | no fix listed | 1 |
| ghcr.io/ | 4ea617c30397 | expat | no fix listed | 1 |
| ghcr.io/ | 6011182e3946 | expat | no fix listed | 1 |
| ghcr.io/ | 292b3614670f | expat | no fix listed | 1 |
| ghcr.io/ | 4ed7a896dd2b | expat | no fix listed | 1 |
| ghcr.io/ | abd7d6b11b1b | expat | 2.8.4-r0 | 1 |
| ghcr.io/ | b069e4307dec | expat | no fix listed | 1 |
| ghcr.io/ | f575a34ed3f8 | expat | 2.8.4-r0 | 1 |
| ghcr.io/ | 708446bc6783 | expat | 2.8.4-r0 | 1 |
| ghcr.io/ | f52e66eff50b | expat | no fix listed | 1 |
| ghcr.io/ | 00a3d8e1f04b | expat | 2.8.4-r0 | 1 |
| ghcr.io/ | 865ff4da5686 | expat | no fix listed | 1 |
| ghcr.io/ | b66aba320083 | expat | no fix listed | 1 |
| ghcr.io/ | 7280594a2f18 | expat | no fix listed | 1 |
| ghcr.io/ | 757bdd779345 | expat | no fix listed | 1 |
| ghcr.io/ | b5ade0d9cc6b | expat | no fix listed | 1 |
| ghcr.io/ | 24efef013a53 | expat | no fix listed | 1 |
| ghcr.io/ | e28e0e7de11b | expat | no fix listed | 1 |
| ghcr.io/ | 01563adc95fd | expat | no fix listed | 1 |
| ghcr.io/ | 2b92df1143b9 | expat | no fix listed | 1 |
| ghcr.io/ | 600221f0f43f | expat | no fix listed | 1 |
| ghcr.io/ | a85e03d8bc1d | expat | no fix listed | 1 |
| ghcr.io/ | 099e1abd6d08 | expat | no fix listed | 1 |
| ghcr.io/ | 0a608c6ead85 | expat | 2.8.4-r0 | 1 |
| ghcr.io/ | ed86db9f0efe | expat | no fix listed | 1 |
| ghcr.io/ | 3c98b92e9535 | expat | no fix listed | 1 |
| ghcr.io/ | 0664c28a039b | expat | no fix listed | 1 |
| ghcr.io/ | baa4fa9549dc | expat | no fix listed | 1 |
| ghcr.io/ | cc795b254b73 | expat | 2.8.4-r0 | 1 |
| ghcr.io/ | 7c0464228f2f | expat | no fix listed | 1 |
| ghcr.io/ | a792931146b4 | expat | no fix listed | 1 |
| ghcr.io/ | b5c6bfb00b03 | expat | 2.8.4-r0 | 1 |
| ghcr.io/ | 47fae7f540f9 | expat | 2.8.4-r0 | 1 |
| ghcr.io/ | 20fde516ce31 | expat | no fix listed | 1 |
| ghcr.io/ | 4fd8da9dc13c | expat | 2.8.4-r0 | 1 |
| ghcr.io/ | 981aa4c109e1 | expat | no fix listed | 1 |