CVE-2026-7597: mem0ai mem0 faiss.py pickle.dump deserialization

Severity: medium (CVSS 6.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-05-01 · updated 2026-10-26
Weakness: CWE-20

Description

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.

Affected products

mem0ai mem0: 1.0.0, 1.0.1, 1.0.2, 1.0.3, 1.0.4, 1.0.5 (+6)

References

https://github.com/mem0ai/mem0/
https://github.com/mem0ai/mem0/commit/62dca096f9236010ca15fea9ba369ba740b86b7a
https://github.com/mem0ai/mem0/issues/3778
https://github.com/mem0ai/mem0/pull/4833
https://vuldb.com/submit/805562
https://vuldb.com/vuln/360550
https://vuldb.com/vuln/360550/cti
https://vuldb.com/submit/805562

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