CVE-2026-7597 mem0ai mem0 faiss.py pickle.dump deserialization
Remote attackers can execute arbitrary code via unsafe pickle deserialization in the mem0 vector store library.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-7597?
CVE-2026-7597 is a medium-severity unsafe deserialization vulnerability in mem0ai mem0, published on 1 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Which versions are affected by CVE-2026-7597?
3 open source packages ship an affected version, including mem0ai.
| Package | Affected | Fixed in |
|---|---|---|
mem0ai PyPI | All versions | 2.0.0b2 |
mem0ai PyPI | All versions | 2.0.0b2 |
mem0ai PyPI | All versions | 2.0.0b2 |
How do I fix CVE-2026-7597?
Upgrade mem0ai to 2.0.0b2 or later.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2026-7597 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7597 exists.
Sources
Also known as ECHO-2dac-3258-fd8b, GHSA-xqxw-r767-67m7, PYSEC-2026-2636.