CVE-2026-73563
MediumAdvisory
Published 24 Jul 2026In the index since 8 Sept 2026
- Severity
- Medium
- worst across findings
- CVSS
- 4.7
- base score, highest
- EPSS
- 0.002
- 10th percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 6
- of 17,781 indexed, latest versions
- Container images
- 5
- deployed by those charts
- Fix available
- 1 of 1
- affected package
@backstage/plugin-auth-backend: Unauthenticated OAuth account takeover via `redirect_uri` allowlist bypass
Carried by container images the latest versions of 6 of 17,781 indexed charts deploy, on 5 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| @backstage/ | 0.1.1-alpha.23, 0.3.19, 0.21.3, 0.27.3+1 more | 0.29.2 | 5 |
- OSV records
- GHSA-38hq-7x33-php4
Charts affected
6 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| backstagerhdh-chartVerified publisher | 4.0.1 | 1 of 2See more | 1,339 |
| backstagedeliveryheroVerified publisher | 0.1.15 | 1 of 2See more | 8,213 |
| backstagehelm-charts-nr | 0.1.15 | 1 of 2See more | 8,213 |
| backstageirembo-backstage-helmVerified publisher | 1.0.5 | 1 of 3See more | 7,232 |
| backstagemcwarmanVerified publisher | 0.10.10 | 1 of 2See more | 9,668 |
| devportalveecode-platform-nextVerified publisher | 0.1.21 | 1 of 1See more | 1,787 |
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/ | 0.29.2 | 2 |
| roadiehq/ | ef355bf5b639 | @backstage/ | 0.29.2 | 1 |
| veecode/ | c443520aebf7 | @backstage/ | 0.29.2 | 1 |
| ghcr.io/ | 07aba09a594f | @backstage/ | 0.29.2 | 1 |
| quay.io/ | 0b26358f5793 | @backstage/ | 0.29.2 | 1 |