CVE-2026-82271 — R2R Missing Ownership Check Allows Modifying Other Users' Conversations
R2R through 3.6.5 fails to properly validate user ownership in conversation update and message handlers, allowing authenticated users to modify other users' conversations. Attac…
Published: 2026-08-28 · CVSS: 7.1 · CVSS 4.0
R2R through 3.6.5 fails to properly validate user ownership in conversation update and message handlers, allowing authenticated users to modify other users' conversations. Attackers can supply arbitrary conversation identifiers to rename conversations and append messages to other users' conversation histories, corrupting state and injecting malicious content.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7