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 metadata of other resource owners.
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History
Fri, 28 Aug 2026 19:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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 metadata of other resource owners. | |
| Title | Mastra Memory API Thread Ownership Check Is a No-op When mapUserToResourceId Is Unset | |
| Weaknesses | CWE-862 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-08-28T20:25:25.139Z
Reserved: 2026-08-28T11:12:39.515Z
Link: CVE-2026-82273
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Status : Received
Published: 2026-08-28T20:20:18.227
Modified: 2026-08-28T20:20:18.227
Link: CVE-2026-82273
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OpenCVE Enrichment
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Weaknesses