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mem0 CVE-2026-31240

| EUVD-2026-29563 HIGH
Missing Authentication for Critical Function (CWE-306)
2026-05-12 mitre GHSA-jfv9-68m5-gjjr
7.5
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

Lifecycle Timeline

4
Analysis Generated
May 14, 2026 - 20:24 vuln.today
CVSS changed
May 14, 2026 - 20:22 NVD
7.5 (HIGH)
CVE Published
May 12, 2026 - 00:00 nvd
HIGH 7.5
CVE Published
May 12, 2026 - 00:00 nvd
UNKNOWN (no severity yet)

DescriptionNVD

The mem0 1.0.0 server lacks authentication and authorization controls for its memory management API endpoints. Critical functions such as updating memory records (PUT /memories/{memory_id}) are exposed without any verification of the requester's identity or permissions. A remote attacker can exploit this by sending unauthenticated requests to modify, overwrite, or delete arbitrary memory records, leading to unauthorized data manipulation and potential data loss.

AnalysisAI

{memory_id}. The vulnerability stems from complete absence of authentication and authorization controls on critical memory management functions, allowing data manipulation and loss without any verification of requester identity. …

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RemediationAI

{memory_id}; escalate to mem0 vendor for patch timeline. Within 30 days: Migrate to a patched mem0 version once vendor releases security update, or evaluate alternative solutions if no patch roadmap is provided.

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CVE-2026-31240 vulnerability details – vuln.today

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