CVE-2026-56403
MediumAdvisory
Published 21 Jun 2026In the index since 5 Sept 2026
- Severity
- Medium
- worst across findings
- CVSS
- 6.9
- base score, highest
- EPSS
- 0.001
- 4th percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 1,383
- of 17,790 indexed, latest versions
- Container images
- 1,365
- deployed by those charts
- Fix available
- 2 of 2
- affected packages
The matching OSV records carry no description.
Carried by container images the latest versions of 1,383 of 17,790 indexed charts deploy, on 1,365 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+32 more | 2.5.0-1+deb12u3, 2.8.2-1~deb13u1 | 1,114 |
| expatapk | 2.5.0-r4, 2.6.4-r0, 2.6.4-r1, 2.7.0-r0+9 more | 2.8.2-r0 | 251 |
- OSV records
- ALPINE-CVE-2026-56403CGA-cqh8-hf6q-598xDEBIAN-CVE-2026-56403UBUNTU-CVE-2026-56403
- Also known as
- CGA-f95f-pgm3-22rx, CGA-qvw4-2mcj-w6px, CGA-v4rv-wxhh-84xv
Charts affected
1,383 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| helixhelix | 1.4.3 | 1 of 2See more | 5,287 |
| hello-worldhello-world-pponyVerified publisher | 0.3.0 | 1 of 1See more | 5,851 |
| 7dtdhelm-7dtd | 0.1.0 | 1 of 1See more | 10,655 |
| pageshelm-chart-repos-camden | 1.0.0 | 2 of 3See more | 20,233 |
| esphomehelm-chart-roeiVerified publisher | 2025.3.0 | 1 of 1See more | 6,014 |
| home-assistanthelm-chart-roeiVerified publisher | 2025.3.0 | 1 of 1See more | 4,646 |
| iofoghelm-chartsVerified publisher | 0.1.1 | 1 of 3See more | 24,174 |
| nginx-charthelm-chart-sample-app | 0.1.0 | 1 of 1See more | 4,596 |
| twampyhelm-charts-darox | 0.0.2 | 1 of 1See more | 2,057 |
| kube-downscalerhelm-charts-nr | 0.7.6 | 1 of 1See more | 3,700 |
| chart-bookhelm-deploy-book | 0.1.0 | 1 of 3See more | 8,618 |
| 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 |
| ckanhelmforgeVerified publisher | 1.3.8 | 1 of 6See more | 9,991 |
| countlyhelmforgeVerified publisher | 1.2.6 | 1 of 3See more | 18,923 |
| 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 |
| fastmcp-serverhelmforgeVerified publisher | 1.7.4 | 1 of 1See more | 3,294 |
| immichhelmforgeVerified publisher | 1.2.8 | 2 of 5See more | 11,080 |
| jupyterhubhelmforgeVerified publisher | 1.0.6 | 1 of 3See more | 5,350 |
| mcp-serverhelmforgeVerified publisher | 1.0.0 | 1 of 1See more | 3,442 |
| middlewarehelmforgeVerified publisher | 1.2.6 | 1 of 4See more | 9,704 |
| moodlehelmforgeVerified publisher | 1.1.0 | 1 of 2See more | 5,911 |
| netboxhelmforgeVerified publisher | 2.0.1 | 1 of 4See more | 4,321 |
| openreel-videohelmforgeVerified publisher | 1.0.3 | 1 of 1See more | 1,086 |
| phpmyadminhelmforgeVerified publisher | 2.0.1 | 1 of 1See more | 4,741 |
| tomcathelmforgeVerified publisher | 1.0.6 | 1 of 2See more | 1,224 |
| uptime-kumahelmforgeVerified publisher | 1.5.13 | 1See more | — |
| 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 |
| samplehelmapphelmtraining | 3.0.0 | 1 of 1See more | 5,114 |
| nominatimheywood8-helm-chartsVerified publisher | 3.10.8 | 1 of 3See more | 14,350 |
| printserverhmediadeVerified publisher | 1.0.2 | 2 of 4See more | 10,918 |
| paperlesshomelabcihelmchartstestVerified publisher | 9.1.9 | 1 of 1See more | 14,629 |
| webserverhongshaoyangVerified publisher | 0.1.3 | 1 of 1See more | 902 |
| paperlesshpVerified publisher | 0.1.2 | 1See more | — |
| httpbin2022httpbin2022Verified publisher | 0.1.1 | 1 of 1See more | 8,732 |
| eoloplanthttpd-eoloplant | 0.1.0 | 3 of 7See more | 32,336 |
| prometheushuangchengwu-helm-chart | 0.1.0 | 2 of 3See more | 16,482 |
| skywalking-v1huangchengwu-helm-chart | 0.1.0 | 2 of 4See more | 20,727 |
| townsquarehuscker-chartsVerified publisher | 1.0.4 | 1 of 2See more | 3,355 |
| hydrahydraVerified publisher | 0.9.5 | 1 of 2See more | 9,038 |
Container images carrying it
1,365 by charts deploying them
A fixed version is listed for 2 of the 2 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| ghcr.io/ | 20518335f9f9 | expat | no fix listed | 1 |
| ghcr.io/ | fcbab3a24880 | expat | 2.8.2-r0 | 1 |
| ghcr.io/ | 6ba69487f1b0 | expat | 2.5.0-1+deb12u3 | 1 |
| ghcr.io/ | 5889bea38e56 | expat | 2.5.0-1+deb12u3 | 1 |
| ghcr.io/ | 8766ba08bf1a | expat | 2.5.0-1+deb12u3 | 1 |
| ghcr.io/ | 8eb6e492fe3c | expat | no fix listed | 1 |
| ghcr.io/ | 1aba0ffe55ea | expat | no fix listed | 1 |
| ghcr.io/ | 68f52b993a7f | expat | no fix listed | 1 |
| ghcr.io/ | ab63d26a8a2c | expat | 2.8.2-r0 | 1 |
| ghcr.io/ | 72f35584026d | expat | 2.5.0-1+deb12u3 | 1 |
| ghcr.io/ | ddd462dbde39 | expat | 2.8.2-r0 | 1 |
| ghcr.io/ | d3d3af34bc2c | expat | 2.8.2-r0 | 1 |
| ghcr.io/ | 6fde1edc0983 | expat | no fix listed | 1 |
| ghcr.io/ | d600eac6283f | expat | no fix listed | 1 |
| ghcr.io/ | 2ed0183564d7 | expat | no fix listed | 1 |
| ghcr.io/ | 853e6f105b51 | expat | no fix listed | 1 |
| ghcr.io/ | ca7dc7362968 | expat | 2.5.0-1+deb12u3 | 1 |
| ghcr.io/ | 0e99f12bb040 | expat | 2.5.0-1+deb12u3 | 1 |
| ghcr.io/ | d9d796a1b846 | expat | no fix listed | 1 |
| ghcr.io/ | a058034ca006 | expat | 2.5.0-1+deb12u3 | 1 |
| ghcr.io/ | 8d943799621b | expat | 2.5.0-1+deb12u3 | 1 |
| ghcr.io/ | 0d28dbd95b03 | expat | 2.5.0-1+deb12u3 | 1 |
| ghcr.io/ | 69b1d3c09cfa | expat | 2.5.0-1+deb12u3 | 1 |
| ghcr.io/ | 9608d9b51452 | expat | 2.5.0-1+deb12u3 | 1 |
| ghcr.io/ | fb609bc264d9 | expat | 2.5.0-1+deb12u3 | 1 |
| ghcr.io/ | 726a947bb65b | expat | 2.5.0-1+deb12u3 | 1 |
| ghcr.io/ | 246dc2160efe | expat | 2.8.2-1~deb13u1 | 1 |
| ghcr.io/ | fce5b6fd161c | expat | 2.8.2-r0 | 1 |
| ghcr.io/ | 00984ba0f0eb | expat | 2.8.2-r0 | 1 |
| ghcr.io/ | 8c05f7366981 | expat | 2.8.2-1~deb13u1 | 1 |
| ghcr.io/ | bcad696f03ee | expat | 2.8.2-r0 | 1 |
| ghcr.io/ | 76771c3cc8c3 | expat | no fix listed | 1 |
| ghcr.io/ | a2be95de450c | expat | 2.8.2-1~deb13u1 | 1 |
| ghcr.io/ | 16fda01ae58a | expat | 2.5.0-1+deb12u3 | 1 |
| ghcr.io/ | 2e059589f7f7 | expat | 2.8.2-r0 | 1 |
| ghcr.io/ | f3d0c7d35498 | expat | no fix listed | 1 |
| ghcr.io/ | 609f48af4efc | expat | 2.8.2-1~deb13u1 | 1 |
| ghcr.io/ | 7fe76551a78e | expat | 2.8.2-r0 | 1 |
| ghcr.io/ | 080150de7d86 | expat | no fix listed | 1 |
| ghcr.io/ | 3225d2bc6b3c | expat | 2.8.2-1~deb13u1 | 1 |
| ghcr.io/ | f53bde3acd4f | expat | no fix listed | 1 |
| ghcr.io/ | bffe3c22fabc | expat | 2.8.2-1~deb13u1 | 1 |
| ghcr.io/ | 8ac53eb38393 | expat | 2.5.0-1+deb12u3 | 1 |
| ghcr.io/ | ff0cd9db78d3 | expat | 2.8.2-r0 | 1 |
| ghcr.io/ | e59ebde55709 | expat | 2.8.2-1~deb13u1 | 1 |
| ghcr.io/ | 7a50c07e7c69 | expat | no fix listed | 1 |
| ghcr.io/ | 6e82914e1051 | expat | 2.5.0-1+deb12u3 | 1 |
| ghcr.io/ | bcd5b8d4c45c | expat | no fix listed | 1 |
| ghcr.io/ | 22ae556e0de4 | expat | 2.5.0-1+deb12u3 | 1 |
| ghcr.io/ | 9ce55520e7bd | expat | 2.8.2-r0 | 1 |