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CVE-2026-82273— Mastra Memory API Thread Ownership Check Is a No-op When mapUserToResourceId Is Unset

Quick assessment

Affected
mastra-ai mastra
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Mastra 1.63.0 及之前版本中，当配置中省略了 回调时，其内存 API 的线程所有权验证存在身份验证绕过漏洞。经过身份验证的攻击者可以通过 枚举所有线程，并读取其他资源所有者的对话历史记录和元数据。

CVSS 6.5 · Medium

Affected Version Matrix 1

VendorProduct Version RangeStatus
mastra-ai mastra ≤ 1.63.0 affected
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I. Basic Information for CVE-2026-82273

Vulnerability Information
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Vulnerability Title
Mastra Memory API Thread Ownership Check Is a No-op When mapUserToResourceId Is Unset
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
mastra-ai mastra 0 ~ 1.63.0 -

II. Public POCs for CVE-2026-82273

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III. Intelligence Information for CVE-2026-82273

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Vendor Advisories for CVE-2026-82273 (2)

Security Blog Posts for CVE-2026-82273 (1)

Vendor Pages for CVE-2026-82273 (1)

IV. Related Vulnerabilities

Same product: mastra
Same vendor: mastra-ai
Same weakness: CWE-862

V. Comments for CVE-2026-82273

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