CVE-2026-106494
CVE-2026-106494 · Backstage: Improper input validation in cloud storage URL readers
This page contains facts from public vulnerability sources. Check the original advisory before updating.
Backstage is an open framework for building developer portals. Prior to 0.17.8, the @backstage/backend-defaults package is affected by improper input validation in cloud storage url readers. An attacker with write access to a cloud storage bucket used by Backstage could craft object names that could collide with protected files in the output directory. In certain deployment configurations, this could lead to content injection. This issue is fixed in version 0.17.8.
CVSS 4.4 · Medium · EPSS 0.3% · Fix available
- Published
- Updated
Stack: node
Affected products and versions
backstage
- Versions
- < 1.54.6: Affected
No fix published
backend-defaults
- Versions
- < 0.17.8: Affected
No fix published
@backstage/backend-defaults npm
- Affected ranges
- SEMVER: < 0.17.8
Update to 0.17.8