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CVE-2025-63389

Published: Dec 18, 2025Updated: Jan 22, 2026 Sources: CVE List NVD GHSACWE-306
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
0.6%
Top 54.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

A critical authentication bypass vulnerability exists in Ollama platform's API endpoints in versions prior to and including v0.12.3. The platform exposes multiple API endpoints without requiring authentication, enabling remote attackers to perform unauthorized model management operations.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-306

Affected Products

n/an/a
ollamaollama
On-prem
AI / ML / llm-serving-inference
github.com/ollama/ollamaGoOSS Libraries
ollamaoss-projectAI / ML
gopackage-ecosystemOSS Libraries

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

2 techniques
Initial Access
View detailed technique mapping

References

https://github.com/ollama/ollama/issues
github.com
https://gist.github.com/Cristliu/48dae561696374744d9fced07a544ecd
gist.github.com
https://gist.github.com/Cristliu/b6f4d070fb27932f581be1aadc0923e7
gist.github.com
and 2 more references View all →

Timeline

Published
Dec 18, 2025
Last Updated
Jan 22, 2026

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