ChatOllama flaw lets remote attackers read private knowledge bases
Key facts
- Attack vector
- Network
- Privileges required
- None
- 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-639.
Summary
ChatOllama through commit 96c3ce5 contains an insecure direct object reference flaw (CWE-639) that does not check whether a user owns a knowledge base id. A remote attacker without privileges can enumerate sequential ids and read other users' private knowledge bases, including their metadata and retrieved document content.
Written with Claude Haiku 5.5 from the sources below · 2026-11-06
Description from the CNA
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.
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
No affected products listed by the sources yet.
Remediation
The sources list no fixed version for ChatOllama.
Written with Claude Haiku 5.5 from the sources below · 2026-11-06
Timeline
- 2026-10-16 Threatist record created from CVE-2026-111702
- 2026-10-16 Alias added: GHSA-7pf8-cp62-gc3p
- 2026-10-16 CISA SSVC decision points changed
- 2026-10-16 Priority changed: MEDIUM → HIGH
References
Sources
- CVE-2026-111702 · CVE Program
- CVE-2026-111702 · NVD
- FIRST EPSS
- GHSA-7pf8-cp62-gc3p · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences