1vulnerability
- Critical0 (0.0%)
- High0 (0.0%)
- Medium0 (0.0%)
- Moderate1 (100.0%)
- Low0 (0.0%)
backstage-plugin-auth-backend-module-cloudflare-access-provider
Ecosystem: npm
Downloads:
- 0CriticalAffects 0 versions
- 0HighAffects 0 versions
- 0MediumAffects 0 versions
- 1ModerateAffects 1 version
- 0LowAffects 0 versions
Monthly breakdown
- 1 vulnerabilities
- Critical: 0
- High: 0
- Medium: 0
- Moderate: 1
- Low: 0
Vulnerabilities (1)
Known vulnerabilities affecting backstage-plugin-auth-backend-module-cloudflare-access-provider, based on data from OSV.
| ID | Severity | Summary | Affected versions | Published | Source |
|---|---|---|---|---|---|
| GHSA-q333-f498-w2x7 | Moderate | Backstage: Insufficient audience validation in the Cloudflare Access auth provider### Impact The Cloudflare Access auth provider verifies a token's signature and team issuer, but affected versions do not verify that the token was issued for the Backstage application. A user holding a valid token for another Access application in the same Cloudflare Zero Trust team may therefore be able to authenticate to Backstage if that token reaches the auth endpoint without the Backstage application's audience already being enforced upstream. Cloudflare Access normally evaluates the protected application before forwarding requests. The reported reproduction exercises the provider dire |
| GitHub (opens in a new tab) |
- GHSA-q333-f498-w2x7ModerateBackstage: Insufficient audience validation in the Cloudflare Access auth provider
>= 0.1.0, < 0.5.0
### Impact The Cloudflare Access auth provider verifies a token's signature and team issuer, but affected versions do not verify that the token was issued for the Backstage application. A user holding a valid token for another Access application in the same Cloudflare Zero Trust team may therefore be able to authenticate to Backstage if that token reaches the auth endpoint without the Backstage application's audience already being enforced upstream. Cloudflare Access normally evaluates the protected application before forwarding requests. The reported reproduction exercises the provider dire
CVE: CVE-2026-106457