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TI-2026-58452 Aliases CVE-2026-85093GHSA-cx5g-gfhq-8qmj

Cheshire Cat AI Memory Collection Endpoint Information Disclosure

Priority HIGH 70CWE-863Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-863.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00415 36th 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
Poc
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

VendorProductAffected versionsFixed inStatusSource
cheshire-cat-aicore1.8.0 – 1.9.2—No fix listedCNA
  • core Vendorcheshire-cat-ai Affected 1.8.0 – 1.9.2 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-85093
  2. 2026-10-03 Alias added: GHSA-cx5g-gfhq-8qmj

References

  • TI-2026-61593 cheshire-cat-ai Cheshire Cat AI custom_auth_handler.py _authorize_http_key missing authentication CVSS 4.0MEDIUM 6.9
  • TI-2026-70704 Stored cross-site scripting in Cheshire Cat AI core uploads plugin CVSS 4.0MEDIUM 5.1

Sources