MEDIUMVulnerability
CVE-2026-82273
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.
Properties
- severity
- MEDIUM
- score
- 6.5
- cve_id
- CVE-2026-82273
- signal_observed_at
- 2026-09-23T22:44:40+00:00
- vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- published_at
- 2026-08-28T20:20:18.227
- last_modified
- 2026-09-23T17:17:43.683
Related Entities (2)
DESCRIBED_BY (1)
→[Source]NVD
HAS_WEAKNESS (1)
→[Weakness]Missing Authorization
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