TI-2026-23903 Aliases CVE-2026-31242 GHSA-hfhg-w67x-4fpq

The mem0 v1.0.0 server lacks authentication and authorization controls for its memory…

MEDIUM 46CWE-306Published 2026-05-12 · Updated 2026-05-13

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: None · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-306.

Summary

The mem0 v1.0.0 server lacks authentication and authorization controls for its memory reset functionality accessible via the DELETE /memories endpoint. An unauthenticated attacker can send a DELETE request that triggers a reset operation, leading to the execution of a DROP TABLE SQL statement. This results in the deletion of the entire memory database table, causing catastrophic data loss and a complete denial of service for all users of the service.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00489 42nd percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:mem0:mem0:1.0.0:::::::*	1.0.0	Vulnerable	mem0

cpe:2.3:a:mem0:mem0:1.0.0:*:*:*:*:*:*:* Versions 1.0.0 Vulnerable ·mem0

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-31242
2026-10-03 Alias added: GHSA-hfhg-w67x-4fpq
2026-10-25 EPSS moved to the below the 50th percentile

References

Advisory 1

https://www.notion.so/CVE-2026-31242-35d1e1393188819c9ebec0e684b4e656

Other 1

https://github.com/mem0ai/mem0

TI-2026-23904 The mem0 1.0.0 server lacks authentication and authorization controls for its memory… CVSS 3.1MEDIUM 6.5
TI-2026-23906 The mem0 1.0.0 server lacks authentication and authorization controls for its memory… CVSS 3.1MEDIUM 5.3
TI-2026-23905 The mem0 1.0.0 server lacks authentication and authorization controls for its memory… CVSS 3.1MEDIUM 6.5
TI-2026-23902 The mem0 1.0.0 server lacks authentication and authorization controls for its memory… CVSS 3.1MEDIUM 6.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences