GHSA-8qp7-fhr9-fw53
Suggest an improvement- Source
- https://github.com/advisories/GHSA-8qp7-fhr9-fw53
- Import Source
- https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/03/GHSA-8qp7-fhr9-fw53/GHSA-8qp7-fhr9-fw53.json
- JSON Data
- https://api.osv.dev/v1/vulns/GHSA-8qp7-fhr9-fw53
- Aliases
-
- CVE-2026-29184
- Published
- 2026-03-05T00:23:51Z
- Modified
- 2026-03-09T16:02:10.503918Z
- Severity
-
- 2.0 (Low) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:N CVSS Calculator
- Summary
- @backstage/plugin-scaffolder-backend Vulnerable to Potential Session Token Exfiltration via Log Redaction Bypass
- Details
-
Impact
A malicious scaffolder template can bypass the log redaction mechanism to exfiltrate secrets provided run through task event logs.
The attack requires: - The ability to register a template in the catalog - A victim who executes the malicious template
Patches
Patched in
@backstage/plugin-scaffolder-backendversion 3.1.4Workarounds
- Implement a custom permission policy that restricts scaffolder.task.read so users can only read their own task logs
- Restrict who can register templates in the catalog to trusted users only
Resources
- Backstage Scaffolder permissions documentation: https://backstage.io/docs/permissions/plugin-authors/01-setup/
- Backstage Threat Model: https://backstage.io/docs/overview/threat-model/
- Database specific
{ "github_reviewed": true, "github_reviewed_at": "2026-03-05T00:23:51Z", "nvd_published_at": "2026-03-07T15:15:55Z", "severity": "LOW", "cwe_ids": [ "CWE-532" ] }- References
Affected packages
npm / @backstage/plugin-scaffolder-backend
Package
- Name
- @backstage/plugin-scaffolder-backend
- View open source insights on deps.dev
- Purl
- pkg:npm/%40backstage/plugin-scaffolder-backend