CVE-2026-106502: Backstage may expose sensitive information in Scaffolder task failure events

October 7, 2026

Under specific template and failure conditions, an authenticated user may be able to retrieve sensitive values from Scaffolder task events. This can expose backend-managed credentials used during task execution.

References

github.com/advisories/GHSA-95p4-vv4g-jxxm
github.com/backstage/backstage/commit/3f1e869708f002fb9838624b7379deb251691b47
github.com/backstage/backstage/releases/tag/v1.54.6
github.com/backstage/backstage/security/advisories/GHSA-95p4-vv4g-jxxm
nvd.nist.gov/vuln/detail/CVE-2026-106502

Code Behaviors & Features

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