[ CVE-2026-113601 · Published 20 Oct 2026 ]
Vulnerability in usememos memos
CVSS 4.3
EPSS <1%No fix listed yet
[ Description ]Official description
Memos before 0.27.0 contains a missing authorization vulnerability in the ActivityService ListActivities and GetActivity API methods that allows authenticated users to view all users' activity records. Low-privileged attackers can enumerate sequential activity IDs to obtain creator IDs, timestamps, and memo-comment references, including activity on other users' private memos.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.
[ References ]References
- github.com/usememos/memos/blob/v0.26.2/server/router/api/v1/activity_service.go
- github.com/usememos/memos/commit/04f239a2fc74f7090c779a6a7b8a08238fd31b88
- github.com/usememos/memos/issues/5651
- github.com/usememos/memos/releases/tag/v0.27.0
- www.vulncheck.com/advisories/memos-before-0.27.0-missing-authorization-via-activityserv…