CVE-2026-111702
ChatOllama through commit 96c3ce5 IDOR Exposes Private Knowledge Bases
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
ChatOllama through commit 96c3ce5 contains an insecure direct object reference vulnerability that allows remote attackers to access other users' private knowledge bases by supplying sequential ids. Attackers can enumerate ids via GET /api/knowledgebases/{id} or the knowledgebaseId parameter of POST /api/models/chat to read metadata and retrieved document content.
| CWE | CWE-639 |
| Vendor | sugarforever |
| Product | chat-ollama |
| Published | Oct 16, 2026 |
| Last Updated | Oct 16, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Affected Versions
sugarforever / chat-ollama
0 ≤ 96c3ce50c3ba4ec3b19f126f50c035f84183f9fc
References
hackmd.io: https://hackmd.io/@hieuPenguinnn/chat-ollama-knowledge-base-cross-user-idor github.com: https://github.com/sugarforever/chat-ollama/blob/6f4245a96b58ce8833a8c51d90d923b0e9814784/server/api/models/chat/index.post.ts#L392-L427 github.com: https://github.com/sugarforever/chat-ollama/blob/6f4245a96b58ce8833a8c51d90d923b0e9814784/server/api/knowledgebases/%5Bid%5D.get.ts#L25-L34 vulncheck.com: https://www.vulncheck.com/advisories/chatollama-through-commit-96c3ce5-idor-exposes-private-knowledge-bases
Credits
hieuPenguinnn