PT-2026-83294 · Sciphi Ai+1 · R2R

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CVE-2026-82271

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Published

2026-08-28

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Updated

2026-08-28

CVSS v4.0

7.1

High

VectorAV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
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.

Exploit

Fix

IDOR

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Weakness Enumeration

Related Identifiers

CVE-2026-82271

Affected Products

R2R