CVE-2026-85093

CVE-2026-85093

Cheshire Cat AI's GET /memory/collections/{collection_id}/points endpoint fails to apply per-user filtering when retrieving episodic memory points. Authenticated attackers with MEMORY:READ permission can retrieve all users' stored conversation messages and personal data by paginating through the collection using the offset cursor.

Vulnerability class: Broken Access Control

EPSS: 0.003 (24.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-85093?
CVE-2026-85093 is a medium-severity vulnerability, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2026-09-03.
How severe is CVE-2026-85093?
Medium severity. CVSS v3 base score is 6.5 out of 10.