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.
Metrics
Affected Vendors & Products
References
History
Mon, 31 Aug 2026 20:30:00 +0000
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| Metrics |
ssvc
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Mon, 31 Aug 2026 11:45:00 +0000
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| First Time appeared |
Sciphi-ai
Sciphi-ai r2r |
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| Vendors & Products |
Sciphi-ai
Sciphi-ai r2r |
Fri, 28 Aug 2026 19:45:00 +0000
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| 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. | |
| Title | R2R Missing Ownership Check Allows Modifying Other Users' Conversations | |
| Weaknesses | CWE-639 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-08-28T16:18:54.164Z
Updated: 2026-08-31T19:07:38.620Z
Reserved: 2026-08-28T11:12:38.809Z
Link: CVE-2026-82271
Updated: 2026-08-31T19:07:32.356Z
Status : Received
Published: 2026-08-28T20:20:17.950
Modified: 2026-08-31T20:17:13.073
Link: CVE-2026-82271
No data.