VULNERABILITY INTELLIGENCE
CVE-2026-86178
CVSS score5.4 MEDIUM
EPSS probability0.32%
CISA KEVNot currently listed
Published2026-09-05
Last modified2026-09-23
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Description
Pixelfed through 0.12.9 fails to validate follower status in StoryComposeController react and comment endpoints, allowing authenticated users to access follower-only stories. Attackers can enumerate sequential story IDs and submit reactions or comments to retrieve story media URLs and author information without following the account.
Weakness classification
- disclosure@vulncheck.com: CWE-862