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
- 1,794
- of 17,790 indexed, latest versions
- Container images
- 1,662
- 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 1,794 of 17,790 indexed charts deploy, on 1,662 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 | 1,251 |
| expatapk | 2.6.4-r0, 2.7.0-r0, 2.7.1-r0, 2.7.2-r0+7 more | 2.8.4-r0 | 409 |
| expatrpm | 2.8.2-1.azl3 | 2.8.3-2 | 2 |
Charts affected
1,794 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| my-apphelm-demo8564 | 0.2.7 | 1 of 2See more | 1,849 |
| chart-bookhelm-deploy-book | 0.1.0 | 1 of 3See more | 9,148 |
| helmfile-gitops-agenthelmfile-gitops-agentVerified publisher | 1.1.96 | 2 of 3See more | 2,613 |
| apachehelmforgeVerified publisher | 1.0.6 | 1 of 1See more | 1,703 |
| appwritehelmforgeVerified publisher | 2.0.0 | 1 of 5See more | 4,689 |
| archiveboxhelmforgeVerified publisher | 1.1.12 | 1 of 1See more | 7,675 |
| booklorehelmforgeVerified publisher | 2.0.1 | 1 of 3See more | 2,329 |
| castopodhelmforgeVerified publisher | 1.2.7 | 1 of 3See more | 9,485 |
| changedetectionhelmforgeVerified publisher | 1.1.16 | 1 of 1See more | 2,612 |
| chiefonboardinghelmforgeVerified publisher | 1.1.15 | 1 of 3See more | 7,086 |
| ckanhelmforgeVerified publisher | 1.3.8 | 1 of 6See more | 10,027 |
| countlyhelmforgeVerified publisher | 1.2.6 | 1 of 3See more | 18,938 |
| dawarichhelmforgeVerified publisher | 1.0.1 | 2 of 4See more | 10,442 |
| discount-bandithelmforgeVerified publisher | 2.0.8 | 1 of 3See more | 29,930 |
| druidhelmforgeVerified publisher | 1.3.6 | 2 of 4See more | 8,623 |
| drupalhelmforgeVerified publisher | 1.2.13 | 1 of 2See more | 3,884 |
| entehelmforgeVerified publisher | 1.0.2 | 1 of 4See more | 4,254 |
| fastmcp-serverhelmforgeVerified publisher | 1.7.4 | 1 of 1See more | 3,304 |
| generichelmforgeVerified publisher | 3.1.5 | 1 of 1See more | 1,849 |
| giteahelmforgeVerified publisher | 1.1.20 | 1 of 1See more | 543 |
| immichhelmforgeVerified publisher | 1.2.8 | 2 of 5See more | 11,122 |
| jenkinshelmforgeVerified publisher | 1.0.9 | 1 of 1See more | 2,498 |
| jupyterhubhelmforgeVerified publisher | 1.0.6 | 1 of 3See more | 5,361 |
| mcp-serverhelmforgeVerified publisher | 1.0.0 | 1 of 1See more | 3,453 |
| medikeephelmforgeVerified publisher | 2.0.1 | 1 of 3See more | 5,430 |
| middlewarehelmforgeVerified publisher | 1.2.6 | 1 of 4See more | 9,771 |
| minecrafthelmforgeVerified publisher | 1.5.4 | 1 of 1See more | 4,129 |
| moodlehelmforgeVerified publisher | 1.1.0 | 1 of 2See more | 6,206 |
| netboxhelmforgeVerified publisher | 2.0.1 | 1 of 4See more | 4,347 |
| nextcloudhelmforgeVerified publisher | 1.0.0 | 1 of 3See more | 7,211 |
| opencloudhelmforgeVerified publisher | 1.0.0 | 1 of 1See more | 670 |
| openreel-videohelmforgeVerified publisher | 1.0.3 | 1 of 1See more | 1,086 |
| phpmyadminhelmforgeVerified publisher | 2.0.1 | 1 of 1See more | 4,819 |
| poznotehelmforgeVerified publisher | 2.0.3 | 1 of 1See more | 483 |
| strapihelmforgeVerified publisher | 2.3.14 | 1 of 3See more | 2,084 |
| tomcathelmforgeVerified publisher | 1.0.6 | 1 of 2See more | 1,253 |
| uptime-kumahelmforgeVerified publisher | 1.5.13 | 1 of 1See more | 30,326 |
| zookeeperhelmforgeVerified publisher | 1.0.2 | 1 of 1See more | 3,145 |
| myapphelmingapp | 0.1.0 | 1 of 1See more | 12,680 |
| jellyfinhelm-l3st86Verified publisher | 0.1.8 | 1 of 1See more | 2,626 |
| openaevhelm-openbasVerified publisher | 2.0.5 | 1 of 7See more | 7,528 |
| openbashelm-openbasVerified publisher | 1.8.14 | 2 of 7See more | 25,190 |
| release-cleanerhelm-release-cleanerVerified publisher | 1.0.0 | 1 of 1See more | 2,001 |
| pageshelm-repo | 1.0.0 | 2 of 3See more | 20,242 |
| svacerhelm-svacer | 0.6.0 | 1 of 1See more | 6,085 |
| my-nginxhelmtaiwo | 0.1.0 | 1 of 1See more | 1,849 |
| samplehelmapphelmtraining | 3.0.0 | 1 of 1See more | 5,996 |
| nominatimheywood8-helm-chartsVerified publisher | 3.10.8 | 1 of 3See more | 14,363 |
| hivemq-edgehivemqOfficialVerified publisher | 0.1.36 | 1 of 1See more | 1,238 |
| printserverhmediadeVerified publisher | 1.0.2 | 2 of 4See more | 10,948 |
Container images carrying it
1,662 by charts deploying them
A fixed version is listed for 3 of the 3 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| metabase/ | 7807bc5cad17 | expat | 2.8.4-r0 | 1 |
| middlewareeng/ | 747d880812f1 | expat | no fix listed | 1 |
| mindsdb/ | 163011c09299 | expat | no fix listed | 1 |
| mintproject/ | 02260d20a21f | expat | no fix listed | 1 |
| mlikiowa/ | 1336a777f9a4 | expat | no fix listed | 1 |
| moby/ | a095b3d11ce1 | expat | 2.8.4-r0 | 1 |
| mockserver/ | b8426e0b3c80 | expat | no fix listed | 1 |
| moodlehq/ | 922af5166835 | expat | no fix listed | 1 |
| moreillon/ | d7d4a5463525 | expat | no fix listed | 1 |
| moreillon/ | e418cc694bd5 | expat | no fix listed | 1 |
| moreillon/ | e8fd856e593d | expat | no fix listed | 1 |
| moreillon/ | 3caa8f710ee0 | expat | no fix listed | 1 |
| moreillon/ | 5f0a38498271 | expat | no fix listed | 1 |
| moreillon/ | 6597e6b98d21 | expat | no fix listed | 1 |
| moreillon/ | d2ee0423b797 | expat | no fix listed | 1 |
| mrasif/ | 375a1ed8fdc0 | expat | 2.8.4-r0 | 1 |
| mrnim94/ | 86c4807a4bca | expat | 2.8.4-r0 | 1 |
| mshanley80/ | 5b189a70c0fb | expat | no fix listed | 1 |
| muhammedgamal/ | 74b4cd69b6fa | expat | no fix listed | 1 |
| muluder/ | 43b597a93da7 | expat | no fix listed | 1 |
| mvance/ | 4bf67b567f39 | expat | no fix listed | 1 |
| mvance/ | 76906da36d18 | expat | no fix listed | 1 |
| n8nio/ | 5d9f0cc5672b | expat | 2.8.4-r0 | 1 |
| n8nio/ | 761374d4eb84 | expat | 2.8.4-r0 | 1 |
| n8nio/ | cfa04788a34a | expat | 2.8.4-r0 | 1 |
| n8nio/ | cfe2704ff858 | expat | 2.8.4-r0 | 1 |
| n8nio/ | ed16e560c40e | expat | 2.8.4-r0 | 1 |
| netbirdio/ | aae926912ca4 | expat | 2.8.4-r0 | 1 |
| netboxcommunity/ | 3d652dca5351 | expat | no fix listed | 1 |
| netboxcommunity/ | 91b823a05cb5 | expat | no fix listed | 1 |
| netdata/ | c45c71eb23ff | expat | no fix listed | 1 |
| nethermind/ | 15517708c3b6 | expat | no fix listed | 1 |
| netrisai/ | 8c5074f55ae5 | expat | 2.8.4-r0 | 1 |
| netskopeprivateaccess/ | 93e2fd164a93 | expat | no fix listed | 1 |
| networktocode/ | ed484336b1ad | expat | no fix listed | 1 |
| nginxdemos/ | 751bf8933179 | expat | 2.8.4-r0 | 1 |
| nginxdemos/ | b28d1e16c676 | expat | 2.8.4-r0 | 1 |
| nginxinc/ | 4210a3296e7c | expat | no fix listed | 1 |
| nginxinc/ | 62a904036bfc | expat | 2.8.4-r0 | 1 |
| nginxinc/ | 6320020c7da8 | expat | 2.8.4-r0 | 1 |
| nginxinc/ | 82dcf28da5a8 | expat | 2.8.4-r0 | 1 |
| nginxinc/ | b37d9945be77 | expat | 2.8.4-r0 | 1 |
| nginxinc/ | c5b989ebc150 | expat | no fix listed | 1 |
| nginxinc/ | e93571f3d083 | expat | 2.8.4-r0 | 1 |
| nginxinc/ | f972e5322b97 | expat | 2.8.4-r0 | 1 |
| nginx/ | 520d439f9a9a | expat | no fix listed | 1 |
| nginx/ | 7def79229370 | expat | no fix listed | 1 |
| nirmalnaveen/ | 8541a39162f3 | expat | no fix listed | 1 |
| nodered/ | 10f40d0a83e7 | expat | 2.8.4-r0 | 1 |
| nodered/ | 216e7403aab9 | expat | 2.8.4-r0 | 1 |