Auth bypass in Mem0ai Mem0
CVE-2026-49948
Mem0 versions through 0.2.8, fixed in commit ae7f406, contain a missing authorization vulnerability in the self-hosted server component where the POST /configure endpoint modifies global LLM provider and embedder configuration but only ver…
Vulnerability class: Broken Access Control
EPSS: 0.003 (21.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.
Affected products
- Mem0ai Mem0 — versions 0, ae7f4062652df1376990221101d1adbb0819c973
Weakness classification (CWE)
References
- disclosure@vulncheck.com (patch)
- disclosure@vulncheck.com (issue-tracking, technical-description, exploit)
- disclosure@vulncheck.com (issue-tracking, technical-description)
- disclosure@vulncheck.com (issue-tracking)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-49948?
- CVE-2026-49948 is a high-severity vulnerability in Mem0ai Mem0, classified under Missing Authorization. CVSS score: 8.1/10. Published 2026-06-09.
- How severe is CVE-2026-49948?
- High severity. CVSS v3 base score is 8.1 out of 10.