medium4.3
CVE-2026-86174
Plane through 1.4.2 fails to validate that issues belong to the deploy board's project in the public comment endpoint.
Impact
Plane through 1.4.2 fails to validate that issues belong to the deploy board's project in the public comment endpoint. Authenticated attackers can post comments to arbitrary issues across workspaces by supplying an issue_id parameter to the public deploy-board comment endpoint.
Affected products
| Product | Affected versions |
|---|---|
| Plane | through 1.4.2 |
Versions were read from the advisory text. No structured product data has been published for this record yet.
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/makeplane/plane
- https://github.com/makeplane/plane/blob/v1.4.2/apps/api/plane/space/views/issue.py#L258-L275
- https://github.com/makeplane/plane/issues/9441
- https://www.vulncheck.com/advisories/plane-through-1.4.2-arbitrary-comment-write-via-public-deploy-board