PT-2026-40127 · Pypi · Mem0

Published 2026-05-12 · Updated 2026-05-12 · CVE-2026-31240

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions mem0 version 1.0.0

Description The server lacks authentication and authorization controls for its memory management API endpoints. This allows a remote attacker to send unauthenticated requests to modify, overwrite, or delete arbitrary memory records, resulting in unauthorized data manipulation and potential data loss. The issue specifically affects the endpoint "PUT /memories/{memory id}" and the variable memory id.

Recommendations Update mem0 version 1.0.0 to a newer version that implements proper authentication and authorization controls. As a temporary workaround, restrict access to the "PUT /memories/{memory id}" endpoint to minimize the risk of exploitation.

Fix

Missing Authentication

Weakness Enumeration

CWE-306

Related Identifiers

CVE-2026-31240

GHSA-JFV9-68M5-GJJR

Affected Products

Mem0

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-31240 · Security Note
• https://osv.dev/vulnerability/GHSA-jfv9-68m5-gjjr · Vendor Advisory
• https://github.com/mem0ai/mem0 · Note
• https://notion.so/CVE-2026-31240-35d1e13931888170964ae035c04a8f18 · Note