Cheshire Cat AI Memory Collection Endpoint Information Disclosure
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
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| cheshire-cat-ai | core | 1.8.0 – 1.9.2 | — | No fix listed | CNA |
- 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
- 2026-10-02 Threatist record created from CVE-2026-85093
- 2026-10-03 Alias added: GHSA-cx5g-gfhq-8qmj
References
More cheshire-cat-ai vulnerabilities
- 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
- CVE-2026-85093 · CVE Program
- CVE-2026-85093 · NVD
- FIRST EPSS
- GHSA-cx5g-gfhq-8qmj · GitHub Advisory Database · CC BY 4.0
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