EUVD-2026-67802

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'...

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. Attackers can supply arbitrary conversation identifiers to rename conversations and append messages to other users'...

CVE-2026-82271

R2R (SciPhi-AI) versions through 3.6.5 fail to properly validate user ownership in conversation update and message handlers. An authenticated user can supply arbitrary conversation identifiers to rename other users' conversations and append messages to their histories, corrupting state and inject...

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. Attackers can supply arbitrary conversation identifiers to rename conversations and append messages to other users'...

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' conversations. Attackers can supply arbitrary conversation identifiers to rename conversations and append messages to other users'...

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. Attackers can supply arbitrary conversation identifiers to rename conversations and append messages to other users'...

PT-2026-83304

Kotaemon through 0.12.0 fails to properly validate conversation ownership in select conv, delete conv, rename conv, and on set public conversation functions in control.py. Attackers can read other users' chat histories, delete conversations, or rename conversations by supplying arbitrary...

PT-2026-83294

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'...

PT-2026-83306

VoltAgent through 2.1.20 fails to validate conversation ownership in memory API handlers, allowing authenticated users to access other users' conversations. Attackers can read, modify, and delete arbitrary conversations and messages by supplying caller-controlled identifiers to memory endpoints...

CVE-2026-82283: Authorization Bypass Through User-Controlled Key

VoltAgent through 2.1.20 fails to validate conversation ownership in memory API handlers, allowing authenticated users to access other users' conversations. Attackers can read, modify, and delete arbitrary conversations and messages by supplying caller-controlled identifiers to memory endpoints...

CVE-2026-82273: Missing Authorization

Mastra through 1.63.0 contains an authentication bypass vulnerability in the memory API thread ownership validation when mapUserToResourceId callback is omitted from configuration. Authenticated attackers can enumerate all threads via GET /api/memory/threads and read conversation history and...

CVE-2026-82271: Authorization Bypass Through User-Controlled Key

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'...

CVE-2026-78581

Authorization Bypass Through User-Controlled Key CWE-639 in Kibana can lead to unauthorized data modification via Accessing Functionality Not Properly Constrained by ACLs CAPEC-1. Under certain conditions, an authenticated user could reference another user's AI Assistant conversation identifier t...

CVE-2026-78581

Authorization Bypass Through User-Controlled Key CWE-639 in Kibana can lead to unauthorized data modification via Accessing Functionality Not Properly Constrained by ACLs CAPEC-1. Under certain conditions, an authenticated user could reference another user's AI Assistant conversation identifier t...

PT-2026-81309

Name of the Vulnerable Software and Affected Versions Kibana affected versions not specified Description An authorization bypass exists where an authenticated user can reference another user's AI Assistant conversation identifier to access or modify conversations they do not own. This occurs...

Kibana 9.2.x < 9.4.5 Incorrect Authorization (ESA-2026-82)

The version of Kibana installed on the remote host is 9.2.x prior to 9.4.5. It is, therefore, affected by a vulnerability as referenced in the ESA-2026-82 advisory. - Kibana Agent Builder A2A JSON-RPC API endpoint derives the identifier of a stored conversation from a user-supplied input, and the...

BIT-KIBANA-2026-72680 Authorization Bypass Through User-Controlled Key in Kibana Agent Builder Leading to Unauthorized Data Modification

Kibana Agent Builder A2A JSON-RPC API endpoint derives the identifier of a stored conversation from a user-supplied input, and the ownership check on that identifier does not distinguish between a conversation that does not exist and one that exists but belongs to another user. As a result, an...

BIT-ELK-2026-72680 Authorization Bypass Through User-Controlled Key in Kibana Agent Builder Leading to Unauthorized Data Modification

Kibana Agent Builder A2A JSON-RPC API endpoint derives the identifier of a stored conversation from a user-supplied input, and the ownership check on that identifier does not distinguish between a conversation that does not exist and one that exists but belongs to another user. As a result, an...

BIT-DISCOURSE-2026-72726 Discourse: Unauthorized eavesdropping on private AI bot conversations.

Discourse is an open-source discussion platform. Prior to 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0, an authenticated user could eavesdrop on private AI bot conversations through the AI bot reply stream. The issue is fixed in 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0...

PT-2026-73253

Discourse is an open-source discussion platform. Prior to 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0, an authenticated user could eavesdrop on private AI bot conversations through the AI bot reply stream. The issue is fixed in 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0...