CVE-2026-113601

medium

Memos before 0.27.0 contains a missing authorization vulnerability in the ActivityService ListActivities and GetActivity API methods that allows authenticated…

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

4.3

4.3 (CVSS v3.1)

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Severity source: NVD CVSS v3.1 (disclosure@vulncheck.com)

Timeline (UTC)

Published: 2026-10-20 16:17

Modified: 2026-10-23 02:16

NVD status: Deferred

Last synced 1 day ago

Verified against the source API 2026-10-27 07:04 UTC

Exploitation

Not listed in CISA KEV (as of last catalog sync)

Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

Not reported by the source (unknown — not "none").

Weakness classification (CWE)

CWE-862

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

No vendor advisory or patch reference tagged by NVD. Check the references below.

References

https://github.com/usememos/memos/blob/v0.26.2/server/router/api/v1/activity_service.go disclosure@vulncheck.com
https://github.com/usememos/memos/commit/04f239a2fc74f7090c779a6a7b8a08238fd31b88 disclosure@vulncheck.com
https://github.com/usememos/memos/issues/5651 disclosure@vulncheck.com
https://github.com/usememos/memos/releases/tag/v0.27.0 disclosure@vulncheck.com
https://www.vulncheck.com/advisories/memos-before-0.27.0-missing-authorization-via-activit... disclosure@vulncheck.com

Data sources

NVD CVE API 2.0 — fetched 2026-10-27 07:04 UTC · record ↗

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