Vulnerability Description
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.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/SciPhi-AI/R2R
- https://github.com/SciPhi-AI/R2R/blob/9c5a94d151f90876bd7eb860f300a8fd662dc481/p
- https://github.com/SciPhi-AI/R2R/issues/2292
- https://www.vulncheck.com/advisories/r2r-missing-ownership-check-allows-modifyin
- https://github.com/SciPhi-AI/R2R/issues/2292
FAQ
What is CVE-2026-82271?
CVE-2026-82271 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 arbitra...
How severe is CVE-2026-82271?
CVE-2026-82271 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-82271?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.