CVE-2024-26150
`@backstage/backend-common` vulnerable to path traversal through symlinks
Description
### Impact Paths checks with the `resolveSafeChildPath` utility were not exhaustive enough, leading to risk of path traversal vulnerabilities if symlinks can be injected by attackers. ### Patches Patched in `@backstage/backend-common` version `0.21.1`. Patched in `@backstage/backend-common` version `0.20.2`. Patched in `@backstage/backend-common` version `0.19.10`. ### For more information If you have any questions or comments about this advisory: - Open an issue in the [Backstage repository](https://github.com/backstage/backstage) - Visit our Discord, linked to in [Backstage README](https://github.com/backstage/backstage)
How to fix CVE-2024-26150
To remediate CVE-2024-26150, upgrade the affected package to a fixed version below.
- —upgrade to 0.21.1 or later
Is CVE-2024-26150 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 0.21.0, < 0.21.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.7 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N |