A critical security vulnerability in parisneo/lollms versions up to 2.2.0 allows any authenticated user to accept or reject friend requests belonging to other users. The `respond_request()` function in `backend/routers/friends.py` does not implement proper authorization checks, enabling Insecure Direct Object Reference (IDOR) attacks. Specifically, the `/api/friends/requests/{friendship_id}` endpoint fails to verify whether the authenticated user is part of the friendship or the intended recipient of the request. This vulnerability can lead to unauthorized access, privacy violations, and potential social engineering attacks. The issue has been addressed in version 2.2.0.
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History
Sun, 29 Mar 2026 18:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | A critical security vulnerability in parisneo/lollms versions up to 2.2.0 allows any authenticated user to accept or reject friend requests belonging to other users. The `respond_request()` function in `backend/routers/friends.py` does not implement proper authorization checks, enabling Insecure Direct Object Reference (IDOR) attacks. Specifically, the `/api/friends/requests/{friendship_id}` endpoint fails to verify whether the authenticated user is part of the friendship or the intended recipient of the request. This vulnerability can lead to unauthorized access, privacy violations, and potential social engineering attacks. The issue has been addressed in version 2.2.0. | |
| Title | Insecure Direct Object Reference (IDOR) in parisneo/lollms | |
| Weaknesses | CWE-863 | |
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cvssV3_0
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Status: PUBLISHED
Assigner: @huntr_ai
Published: 2026-03-29T17:49:44.461Z
Updated: 2026-03-29T17:49:44.461Z
Reserved: 2026-01-01T22:48:39.975Z
Link: CVE-2026-0562
No data.
Status : Received
Published: 2026-03-29T18:16:14.460
Modified: 2026-03-29T18:16:14.460
Link: CVE-2026-0562
No data.