CVE-2026-106491
MediumAdvisory
Published 7 Oct 2026In the index since 8 Oct 2026
- Severity
- Medium
- worst across findings
- CVSS
- 6.4
- base score, highest
- EPSS
- 0.003
- 18th percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 6
- of 18,117 indexed, latest versions
- Container images
- 5
- deployed by those charts
- Fix available
- 1 of 1
- affected package
Backstage: Improper input validation in proxy-backend
Carried by container images the latest versions of 6 of 18,117 indexed charts deploy, on 5 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| @backstage/ | 0.1.1-alpha.23, 0.2.11, 0.4.11, 0.6.11+1 more | 0.6.17 | 5 |
- OSV records
- GHSA-9ghw-48h5-v2w5
Charts affected
6 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| backstagerhdh-chartVerified publisher | 4.0.1 | 1 of 2See more | 2,039 |
| backstagedeliveryheroVerified publisher | 0.1.15 | 1 of 2See more | 10,735 |
| backstagehelm-charts-nr | 0.1.15 | 1 of 2See more | 10,735 |
| backstageirembo-backstage-helmVerified publisher | 1.0.5 | 1 of 3See more | 8,788 |
| backstagemcwarmanVerified publisher | 0.10.10 | 1 of 2See more | 11,317 |
| devportalveecode-platform-nextVerified publisher | 1.0.4 | 1See more | — |
Container images carrying it
5 by charts deploying them
A fixed version is listed for 1 of the 1 affected package.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| martinaif/ | 43bc40a3da0e | @backstage/ | 0.6.17 | 2 |
| roadiehq/ | ef355bf5b639 | @backstage/ | 0.6.17 | 1 |
| veecode/ | e5c84f744994 | @backstage/ | 0.6.17 | 1 |
| ghcr.io/ | 07aba09a594f | @backstage/ | 0.6.17 | 1 |
| quay.io/ | e992092fcc9b | @backstage/ | 0.6.17 | 1 |