Deserialization in Mem0ai Mem0
CVE-2026-7597
A vulnerability was found in mem0ai mem0 up to 1.0.11. This affects the function pickle.load/pickle.dump of the file mem0/vector_stores/faiss.py. Performing a manipulation results in deserialization. It is possible to initiate the attack remotely. The exploit has been made public and could be used. The patch is named 62dca096f9236010ca15fea9ba369ba740b86b7a. Applying a patch is the recommended action to fix this issue.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (36.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 36.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001
Affected products
- Mem0ai Mem0 — versions 1.0.0, 1.0.1, 1.0.2
Weakness classification (CWE)
References
- vuldb.com/vuln/360550 (technical-description, vdb-entry)
- vuldb.com/vuln/360550/cti (signature, permissions-required)
- vuldb.com/submit/805562 (third-party-advisory)
- github.com/mem0ai/mem0/issues/3778 (issue-tracking, exploit)
- github.com/mem0ai/mem0/pull/4833 (issue-tracking, patch)
- github.com/mem0ai/mem0/commit/62dca096f9236010ca15fea9ba369ba740b86b7a (patch)
- github.com/mem0ai/mem0/ (product)
Frequently asked questions
- What is CVE-2026-7597?
- CVE-2026-7597 is a medium-severity vulnerability in Mem0ai Mem0, classified under Improper Input Validation. CVSS score: 6.3/10. Published 2026-05-01.
- How severe is CVE-2026-7597?
- Medium severity. CVSS v3 base score is 6.3 out of 10.