CVE-2026-85093

Description

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.

References

• https://github.com/cheshire-cat-ai/core
• https://github.com/cheshire-cat-ai/core/blob/1.9.2/core/cat/looking_glass/stray_cat.py
• https://github.com/cheshire-cat-ai/core/blob/1.9.2/core/cat/routes/memory/points.py#L350
• https://github.com/cheshire-cat-ai/core/issues/1136
• https://www.vulncheck.com/advisories/cheshire-cat-ai-memory-collection-endpoint-information-disclosure