CVE-2026-106461: Backstage is an open framework for building developer portals
22
Routine
MEDIUM 4.3WATCHLISTUPGRADEUPGRADE
CVE-2026-106461 is a medium-severity flaw (CVSS 4.3) affecting backstage\/plugin-scaffolder-backend, backstage. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Backstage is an open framework for building developer portals. Prior to 4.1.0, the @backstage/plugin-scaffolder-backend package is affected by incorrect authorization in scaffolder task listing. An authenticated internal user may be able to view metadata for scaffolder tasks outside the visibility intended by a deployment's permission policy. Stored task secrets are not included in the affected response, and no integrity or availability impact wa
Why this priority
- On your watchlist
A fixed release or distro patch exists.
Risk facts
| CVSS score | 4.3 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.2% (top 92%) |
| CISA exploited list | No |
| Weakness | CWE-863 |
| Published | 2026-10-06 |
| Last modified | 2026-10-23 |
Publisher (CNA): GitHub, Inc. · Vendor: linuxfoundation
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
linuxfoundation backstage\/plugin-scaffolder-backend UPGRADE
Affected: < 4.1.0
Fixed in: 4.1.0
Safe to downgrade to: no unaffected older release
1. Check installed version
npm ls backstageplugin-scaffolder-backend
2. UPGRADE to 4.1.0
npm install backstageplugin-scaffolder-backend@">=4.1.0"
linuxfoundation backstage UPGRADE
Affected: < 1.54.6
Fixed in: 1.54.6
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy backstage || rpm -q backstage || backstage --version
2. UPGRADE to 1.54.6 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade backstage
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade backstage
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
Exact fixes by distribution
npm · @backstage/plugin-scaffolder-backend · FIXED · 4.1.0 · vulnerable: < 4.1.0 · source
npm install @backstage/plugin-scaffolder-backend@">=4.1.0"
npm ls @backstage/plugin-scaffolder-backend
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Related CVEs
- CVE-2026-106462 MEDIUM 6.4 UPGRADE UPGRADE Backstage is an open framework for building developer portals