What is CVE-2026-59706?

CVE-2026-59706 is a critical-severity vulnerability in Mem0, classified under Missing Authentication for Critical Function. CVSS score: 9.3/10. Published 2026-07-07.

How severe is CVE-2026-59706?

Critical severity. CVSS v3 base score is 9.3 out of 10.

Auth bypass in Mem0

CVE-2026-59706

mem0 contains unauthenticated config API endpoints that expose LLM API keys in plaintext and allow server-side request forgery via attacker-controlled ollama_base_url parameter. Unauthenticated attackers can retrieve stored secrets like OpenAI API keys via GET /api/v1/config/ or trigger SSRF attacks by setting ollama_base_url to internal addresses like cloud IMDS via PUT /api/v1/config/mem0/llm endpoint.

Vulnerability class: Broken Authentication

Published 2026-07-07 · last modified 2026-07-08.

CVSS v3 metric

CVSS v3 base score 9.3 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (36.3th percentile), scored 2026-10-07.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 36.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Mem0 — versions 0

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

GitHub Issue (issue-tracking)
Product (product)
Patch Commit (patch)
www.vulncheck.com/advisories/mem0-server-side-request-forgery-and-plaintext-api… (third-party-advisory)

Frequently asked questions

What is CVE-2026-59706?: CVE-2026-59706 is a critical-severity vulnerability in Mem0, classified under Missing Authentication for Critical Function. CVSS score: 9.3/10. Published 2026-07-07.
How severe is CVE-2026-59706?: Critical severity. CVSS v3 base score is 9.3 out of 10.