CVEvulnerability
CVE-2026-111702
8.7 HIGH
Official page ↗
- Status
- Deferred
- Published
- 2026-10-16
- Last modified
- 2026-10-16
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 8.7 HIGH — CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-639
Description
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.
Related
Weakness · CWE (1)
- CWE-639 Authorization Bypass Through User-Controlled Key weakness
References
- https://github.com/sugarforever/chat-ollama/blob/6f4245a96b58ce8833a8c51d90d923b0e9814784/server/api/knowledgebases/%5Bid%5D.get.ts#L25-L34 github.com
- https://github.com/sugarforever/chat-ollama/blob/6f4245a96b58ce8833a8c51d90d923b0e9814784/server/api/models/chat/index.post.ts#L392-L427 github.com
- https://hackmd.io/@hieuPenguinnn/chat-ollama-knowledge-base-cross-user-idor hackmd.io
- https://www.vulncheck.com/advisories/chatollama-through-commit-96c3ce5-idor-exposes-private-knowledge-bases www.vulncheck.com
- https://hackmd.io/@hieuPenguinnn/chat-ollama-knowledge-base-cross-user-idor hackmd.io