CVE-2025-63389
published 2025-12-18CVE-2025-63389: A critical authentication bypass vulnerability exists in Ollama platform's API endpoints in versions prior to and including v0.12.3. The platform exposes…
PriorityP270critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
0.63%
45.7th percentile
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.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| github.com | ollama_ollama | 0 – 0.13.5 | — |
| ollama | ollama | <= 0.12.3 | — |
Detection & IOCsextracted from sources · hover to see the quote
- →Multiple Ollama API endpoints are exposed without authentication, allowing unauthorized model management operations by remote attackers ↗
- ·Vulnerability affects Ollama versions prior to and including v0.12.3; patch or upgrade beyond this version to remediate ↗
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OSV
Ollama has missing authentication enabling attackers to perform model management operations in github.com/ollama/ollama
osv·2026-01-14
CVE-2025-63389 Ollama has missing authentication enabling attackers to perform model management operations in github.com/ollama/ollama
Ollama has missing authentication enabling attackers to perform model management operations in github.com/ollama/ollama
Ollama has missing authentication enabling attackers to perform model management operations in github.com/ollama/ollama
OSV
Ollama Platform has missing authentication enabling attackers to perform model management operations
osv·2025-12-18
CVE-2025-63389 [CRITICAL] Ollama Platform has missing authentication enabling attackers to perform model management operations
Ollama Platform has missing authentication enabling attackers to perform model management operations
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.
GHSA
Ollama Platform has missing authentication enabling attackers to perform model management operations
ghsa·2025-12-18
CVE-2025-63389 [CRITICAL] CWE-284 Ollama Platform has missing authentication enabling attackers to perform model management operations
Ollama Platform has missing authentication enabling attackers to perform model management operations
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.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2025-63389 ollama: Ollama: Unauthorized model management via authentication bypass in API endpoints [fedora-42]
bugzilla·2025-12-22·CVSS 9.8
CVE-2025-63389 [CRITICAL] CVE-2025-63389 ollama: Ollama: Unauthorized model management via authentication bypass in API endpoints [fedora-42]
CVE-2025-63389 ollama: Ollama: Unauthorized model management via authentication bypass in API endpoints [fedora-42]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
The following link provides references to all essential vulnerability management information. If something is wrong or missing, please contact a member of PSIRT.
https://spaces.redhat.com/display/PRODSEC/Vulnerability+Management+-+Essential+Documents+for+Engineering+Teams
Discussion:
This message is a reminder that Fedora Linux 42 is nearing its end of life.
Fedora will stop maintaining and issuing updates for Fedora Linux 42 on 2026-05-13.
It is Fedor
Wiz
CVE-2025-63389 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz·CVSS 9.8
CVE-2025-63389 [CRITICAL] CVE-2025-63389 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2025-63389 :
Wolfi vulnerability analysis and mitigation
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.
Source : NVD
## 9.8
Score
Published December 18, 2025
Severity CRITICAL
CNA Score 9.8
Affected Technologies
Wolfi
Chainguard
Has Public Exploit No
Has CISA KEV Exploit No
CISA KEV Release Date N/A
CISA KEV Due Date N/A
Exploitation Probability Percentile (EPSS) 39.7
Exploitation Probability (EPSS) 0.2
Affected packages and libraries
ollama-fips
github.com/ollama/ollama
Sources
Chainguard Has Fix Added at: Dec 21, 2025
2025-12-18
Published