CVE-2026-31242 — CRITICAL (9.1)

Vulnerability Description

The mem0 v1.0.0 server lacks authentication and authorization controls for its memory reset functionality accessible via the DELETE /memories endpoint. An unauthenticated attacker can send a DELETE request that triggers a reset operation, leading to the execution of a DROP TABLE SQL statement. This results in the deletion of the entire memory database table, causing catastrophic data loss and a complete denial of service for all users of the service.

CVSS Score

9.1

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Mem0	Mem0	1.0.0

Related Weaknesses (CWE)

CWE-306 CWE-862

References

https://github.com/mem0ai/mem0Product
https://www.notion.so/CVE-2026-31242-35d1e1393188819c9ebec0e684b4e656MitigationThird Party Advisory

FAQ

What is CVE-2026-31242?

CVE-2026-31242 is a vulnerability with a CVSS score of 9.1 (CRITICAL). The mem0 v1.0.0 server lacks authentication and authorization controls for its memory reset functionality accessible via the DELETE /memories endpoint. An unauthenticated attacker can send a DELETE re...

How severe is CVE-2026-31242?

CVE-2026-31242 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-31242?

Check the references section above for vendor advisories and patch information. Affected products include: Mem0 Mem0.