HIGH 7.1 NVD
CVE-2026-82271
R2R through 3.6.5 fails to properly validate user ownership in conversation update and message handlers, allowing authenticated users to modify other users' con
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.
References
- https://github.com/SciPhi-AI/R2R
- https://github.com/SciPhi-AI/R2R/blob/9c5a94d151f90876bd7eb860f300a8fd662dc481/py/core/mai
- https://github.com/SciPhi-AI/R2R/issues/2292
- https://www.vulncheck.com/advisories/r2r-missing-ownership-check-allows-modifying-other-us
This high severity vulnerability with a CVSS score of 7.1 was published on 2026-08-28 via NVD.
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