CVE-2026-85093

MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreHIGH confidence

Score 6.5 from GitHub Security Advisory (severity: HIGH) published 2026-09-03. the CNA's CVSS baseline 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:vulncheck, epss, ghsa
Trending — 3 sources updated this weekElevated
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.5Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
6.5
EG Score
6.5(high)
EG Risk
60(Attend)
EG Risk 60/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity65% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
33%
KEV
Not listed

Published

September 3, 2026

Last Modified

September 24, 2026

Advisory Details (5)

Auto-updated Sep 3, 2026
No patch confirmed yet.
generic

Cheshire Cat AI Memory Collection Endpoint Information Disclosure | Advisories | VulnCheck

https://www.vulncheck.com/advisories/cheshire-cat-ai-memory-collection-endpoint-information-disclosure
generic

GitHub - cheshire-cat-ai/core: AI agent microservice · GitHub

https://github.com/cheshire-cat-ai/core
generic

core/core/cat/looking_glass/stray_cat.py at 1.9.2 · cheshire-cat-ai/core · GitHub

https://github.com/cheshire-cat-ai/core/blob/1.9.2/core/cat/looking_glass/stray_cat.py
generic

core/core/cat/routes/memory/points.py at 1.9.2 · cheshire-cat-ai/core · GitHub

https://github.com/cheshire-cat-ai/core/blob/1.9.2/core/cat/routes/memory/points.py#L350
generic

Episodic Memory IDOR -- Authenticated Users Can Read Any User's Conversation History · Issue #1136 · cheshire-cat-ai/core · GitHub

https://github.com/cheshire-cat-ai/core/issues/1136

Vendor Advisories for CVE-2026-85093(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 20× in last 7d / 61× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-09-24 14:56 UTCEG score recompute
  2. 2026-09-24 14:56 UTCGHSA enrichment
  3. 2026-09-24 14:04 UTCEPSS rescore
  4. 2026-09-24 10:40 UTCEG score recompute
  5. 2026-09-24 10:40 UTCGHSA enrichment
  6. 2026-09-23 17:54 UTCEPSS rescore
  7. 2026-09-23 09:12 UTCEG score recompute
  8. 2026-09-23 09:12 UTCGHSA enrichment
  9. 2026-09-22 16:01 UTCEPSS rescore
  10. 2026-09-22 07:48 UTCEG score recompute
  11. 2026-09-22 07:48 UTCGHSA enrichment
  12. 2026-09-21 21:09 UTCEPSS rescore
  13. 2026-09-21 06:24 UTCEG score recompute
  14. 2026-09-21 06:24 UTCGHSA enrichment
  15. 2026-09-20 20:16 UTCEPSS rescore
  16. 2026-09-20 05:00 UTCEG score recompute
  17. 2026-09-20 05:00 UTCGHSA enrichment
  18. 2026-09-19 03:37 UTCEG score recompute
  19. 2026-09-19 03:36 UTCGHSA enrichment
  20. 2026-09-18 19:28 UTCEPSS rescore
  21. 2026-09-18 02:13 UTCEG score recompute
  22. 2026-09-18 02:13 UTCGHSA enrichment
  23. 2026-09-17 19:32 UTCEPSS rescore
  24. 2026-09-17 00:49 UTCEG score recompute
  25. 2026-09-17 00:49 UTCGHSA enrichment
Show 36 more
  1. 2026-09-16 14:09 UTCEPSS rescore
  2. 2026-09-16 05:15 UTCEPSS rescore
  3. 2026-09-15 23:25 UTCEG score recompute
  4. 2026-09-15 23:25 UTCGHSA enrichment
  5. 2026-09-15 03:12 UTCEPSS rescore
  6. 2026-09-15 03:12 UTCEPSS rescore
  7. 2026-09-14 21:38 UTCGHSA enrichment
  8. 2026-09-13 20:14 UTCEG score recompute
  9. 2026-09-13 20:14 UTCGHSA enrichment
  10. 2026-09-12 18:50 UTCEG score recompute
  11. 2026-09-12 18:50 UTCGHSA enrichment
  12. 2026-09-11 17:26 UTCEG score recompute
  13. 2026-09-11 17:26 UTCGHSA enrichment
  14. 2026-09-11 14:53 UTCEPSS rescore
  15. 2026-09-11 14:53 UTCEPSS rescore
  16. 2026-09-10 16:01 UTCEG score recompute
  17. 2026-09-10 16:01 UTCGHSA enrichment
  18. 2026-09-10 00:35 UTCGHSA enrichment
  19. 2026-09-08 23:10 UTCEG score recompute
  20. 2026-09-08 23:10 UTCGHSA enrichment
  21. 2026-09-08 22:01 UTCEPSS rescore
  22. 2026-09-07 18:50 UTCEG score recompute
  23. 2026-09-07 18:49 UTCGHSA enrichment
  24. 2026-09-06 17:26 UTCEG score recompute
  25. 2026-09-06 17:26 UTCGHSA enrichment
  26. 2026-09-06 13:48 UTCEPSS rescore
  27. 2026-09-05 16:02 UTCEG score recompute
  28. 2026-09-05 16:02 UTCGHSA enrichment
  29. 2026-09-05 15:31 UTCEPSS rescore
  30. 2026-09-04 14:38 UTCEG score recompute
  31. 2026-09-04 14:38 UTCGHSA enrichment
  32. 2026-09-04 05:07 UTCEPSS rescore
  33. 2026-09-03 13:15 UTCEG score recompute
  34. 2026-09-03 13:02 UTCEG score recompute
  35. 2026-09-03 01:09 UTCEG score recompute
  36. 2026-09-03 01:09 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-85093?
CVE-2026-85093 is a medium vulnerability published on September 3, 2026. 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…
When was CVE-2026-85093 disclosed?
CVE-2026-85093 was first published in the National Vulnerability Database on September 3, 2026, with the most recent update on September 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-85093 actively exploited?
CVE-2026-85093 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 67.0% of all scored CVEs.
What is the CVSS score of CVE-2026-85093?
CVE-2026-85093 has a CVSS v4.0 base score of 6.5 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-85093?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-85093, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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