VULNERABILITY INTELLIGENCE
CVE-2026-86174
CVSS score4.3 MEDIUM
EPSS probability0.34%
CISA KEVNot currently listed
Published2026-09-05
Last modified2026-09-16
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Description
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.
Weakness classification
- disclosure@vulncheck.com: CWE-639