What is CVE-2026-59705?

CVE-2026-59705 is a critical-severity vulnerability in Mem0, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2026-07-07.

How severe is CVE-2026-59705?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Mem0

CVE-2026-59705

mem0's openmemory/api component contains an unauthenticated access vulnerability that allows unauthenticated attackers to read, write, and delete arbitrary user memories by accessing API routers registered without authentication middleware…

Vulnerability class: Broken Authentication

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Mem0 — versions 0

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

disclosure@vulncheck.com (issue-tracking)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (patch)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-59705?: CVE-2026-59705 is a critical-severity vulnerability in Mem0, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2026-07-07.
How severe is CVE-2026-59705?: Critical severity. CVSS v3 base score is 9.8 out of 10.