{"id":"CVE-2026-113601","published":"2026-10-20T16:17:09.373","lastModified":"2026-10-23T02:16:55.450","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.","cvssScore":4.3,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","cwes":["CWE-862"],"vendors":[],"products":[],"references":[{"url":"https://github.com/usememos/memos/blob/v0.26.2/server/router/api/v1/activity_service.go","tags":[]},{"url":"https://github.com/usememos/memos/commit/04f239a2fc74f7090c779a6a7b8a08238fd31b88","tags":[]},{"url":"https://github.com/usememos/memos/issues/5651","tags":[]},{"url":"https://github.com/usememos/memos/releases/tag/v0.27.0","tags":[]},{"url":"https://www.vulncheck.com/advisories/memos-before-0.27.0-missing-authorization-via-activityservice-listactivities-getactivity","tags":[]}],"exploitRefs":[{"url":"https://github.com/usememos/memos/blob/v0.26.2/server/router/api/v1/activity_service.go","tags":[]},{"url":"https://github.com/usememos/memos/commit/04f239a2fc74f7090c779a6a7b8a08238fd31b88","tags":[]},{"url":"https://github.com/usememos/memos/issues/5651","tags":[]},{"url":"https://github.com/usememos/memos/releases/tag/v0.27.0","tags":[]}],"hasPoc":true,"ai":null}