CVE-2026-108259
Tina is a headless content management system. Prior to 3.0.0, @tinacms/cli reads Git branch values from VERCEL_GIT_COMMIT_REF, GITHUB_BRANCH, or HEAD, incorporates the raw value into the API URL, and interpolates that URL into JavaScript string literals in packages/@tinacms/cli/src/next/codegen/index.ts and packages/@tinacms/cli/src/next/codegen/codegen/plugin.ts. A crafted Git-valid branch name containing a quote can terminate the generated string and inject an expression that executes when the generated client module is imported during a preview build. The injected code runs with the build process privileges and can read environment credentials, modify deployment artifacts, or make network requests. This issue is fixed in version 3.0.0.
- CVSS 3.1
- 8.2
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N - EPSS
- 0.3% chance of exploitation in the next 30 days; higher than 26% of CVEs (scores of 2026-10-25)
- CWE
- CWE-94
- Published
- Modified
- Record from
- the NVD, synced
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-pwhx-cvv3-qj5c | npm | @tinacms/cli | <3.0.0 | 3.0.0 |
References
- https://github.com/tinacms/tinacms/commit/d030d414d39e15de79bf36e4c728d57205e71dde
- https://github.com/tinacms/tinacms/pull/7526
- https://github.com/tinacms/tinacms/releases/tag/@tinacms/cli@3.0.0
- https://github.com/tinacms/tinacms/security/advisories/GHSA-pwhx-cvv3-qj5c
- https://github.com/tinacms/tinacms/security/advisories/GHSA-pwhx-cvv3-qj5c