CVE-2026-113601
CVE-2026-113601 · Memos before 0.27.0 Missing Authorization via ActivityService ListActivities/GetActivity
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 5.3 · Medium · EPSS 0.3% · Fix available
- Published
- Updated
Affected products and versions
memos
- Versions
- ≥ 0, < 0.27.0: Affected (semver)
Update to 0.27.0
Original sources
- https://github.com/usememos/memos/issues/5651
- https://github.com/usememos/memos/commit/04f239a2fc74f7090c779a6a7b8a08238fd31b88
- https://github.com/usememos/memos/releases/tag/v0.27.0
- https://github.com/usememos/memos/blob/v0.26.2/server/router/api/v1/activity_service.go
- https://www.vulncheck.com/advisories/memos-before-0.27.0-missing-authorization-via-activityservice-listactivities-getactivity
- https://nvd.nist.gov/vuln/detail/CVE-2026-113601