CVE-2026-7597 json
mem0ai mem0 faiss.py pickle.dump deserialization
published 2026-05-01 6 mo ago modified 2026-10-26 13 d ago also GHSA-xqxw-r767-67m7 , PYSEC-2026-2636 , EUVD-2026-26721
- cvss
- 6.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 24%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 6 mo ago
Exploit prediction
0.32% chance of exploitation in the next 30 days, higher than 24% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- vuldb.com https://vuldb.com/submit/805562 referenced PoC, tagged "exploit" by a source, unverified
- github.com https://github.com/mem0ai/mem0/issues/3778 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 5.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P |
| CNA | 3.1 | 6.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C |
| CNA | 3.0 | 6.3 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C |
| CNA | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C |
| CNA | 4.0 | 2.1 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| CNA | 3.1 | 6.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L |
| CNA | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
| OSV | 3.1 | 6.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L |
| GitHub | 3.1 | 6.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | mem0ai | <2.0.0b2 |
2.0.0b2 |
Affected products
- mem0ai mem0
Classification
References
-
github.com
/mem0ai/mem0/pull/4833
issue-tracking, patch, web
-
github.com
/mem0ai/mem0/commit/62dca096f9236010ca15fea9ba369ba740b86b7a
patch, web
-
vuldb.com
/submit/805562
third-party-advisory, exploit, web
-
github.com
/mem0ai/mem0/issues/3778
exploit, issue-tracking, web
-
vuldb.com
/vuln/360550
vdb-entry, technical-description, web
-
vuldb.com
/vuln/360550/cti
signature, permissions-required, web
-
github.com
/mem0ai/mem0/
product
-
nvd.nist.gov
/vuln/detail/CVE-2026-7597
advisory
-
github.com
/mem0ai/mem0
package
-
pypi.org
/project/mem0ai
package
-
github.com
/advisories/GHSA-xqxw-r767-67m7
advisory
Sources
- CVE List CVE-2026-7597
- GitHub Advisory GHSA-xqxw-r767-67m7
- NVD CVE-2026-7597
- OSV PYSEC-2026-2636
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.