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/ | 45f648c382a0 | expat | 2.8.2-1~deb13u1 | 1 |
| ghcr.io/ | 9a69aa14dc3e | expat | 2.8.2-r0 | 1 |
| ghcr.io/ | ec01d3ac7887 | expat | no fix listed | 1 |
| ghcr.io/ | b52ff07f9f0c | expat | no fix listed | 1 |
| ghcr.io/ | dab685e668d9 | expat | no fix listed | 1 |
| ghcr.io/ | 4569cae83c70 | expat | no fix listed | 1 |
| ghcr.io/ | 4d763d58f11d | expat | 2.5.0-1+deb12u3 | 1 |
| ghcr.io/ | 6047599cd78e | expat | no fix listed | 1 |
| ghcr.io/ | 984dc4f19162 | expat | 2.5.0-1+deb12u3 | 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 | 2.8.2-r0 | 1 |
| ghcr.io/ | b069e4307dec | expat | 2.5.0-1+deb12u3 | 1 |
| ghcr.io/ | f575a34ed3f8 | expat | 2.8.2-r0 | 1 |
| ghcr.io/ | 708446bc6783 | expat | 2.8.2-r0 | 1 |
| ghcr.io/ | f52e66eff50b | expat | no fix listed | 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 | 2.8.2-1~deb13u1 | 1 |
| ghcr.io/ | b5ade0d9cc6b | expat | 2.5.0-1+deb12u3 | 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 | 2.5.0-1+deb12u3 | 1 |
| ghcr.io/ | 0a608c6ead85 | expat | 2.8.2-r0 | 1 |
| ghcr.io/ | ed86db9f0efe | expat | 2.5.0-1+deb12u3 | 1 |
| ghcr.io/ | baa4fa9549dc | expat | no fix listed | 1 |
| ghcr.io/ | cc795b254b73 | expat | 2.8.2-r0 | 1 |
| ghcr.io/ | 7c0464228f2f | expat | no fix listed | 1 |
| ghcr.io/ | a792931146b4 | expat | no fix listed | 1 |
| ghcr.io/ | b5c6bfb00b03 | expat | 2.8.2-r0 | 1 |
| ghcr.io/ | 20fde516ce31 | expat | 2.8.2-1~deb13u1 | 1 |
| ghcr.io/ | 4fd8da9dc13c | expat | 2.8.2-r0 | 1 |