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TI-2025-39294 Aliases CVE-2025-63389GHSA-f6mr-38g8-39rg

A critical authentication bypass vulnerability exists in Ollama platform's API endpoints…

Priority MEDIUM 50CWE-306Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-306.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00708 53rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—github.com/ollama/ollama (Go)up to 0.13.5—No fix listedGHSA-f6mr-38g8-39rg
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • github.com/ollama/ollama (Go) Vendor— Affected up to 0.13.5 Fixed in — No fix listed GHSA-f6mr-38g8-39rg

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:ollama:ollama:*:*:*:*:*:*:*:*up to 0.12.3Vulnerableollama
  • cpe:2.3:a:ollama:ollama:*:*:*:*:*:*:*:* Versions up to 0.12.3 Vulnerable ·ollama

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-63389
  2. 2026-10-03 Alias added: GHSA-f6mr-38g8-39rg

References

Advisory 2

Other 3

  • TI-2024-24572 Ollama before 0.1.34 does not validate the format of the digest (sha256 with 64 hex… CVSS 3.1HIGH 8.8
  • TI-2025-14153 Ollama Multi-Modal Model Image Processing NULL Pointer Dereference CVSS 4.0HIGH 8.7
  • TI-2024-26641 An issue was discovered in Ollama before 0.1.46. CVSS 3.1HIGH 8.2
  • TI-2025-41098 An issue in ollama v.0.12.10 allows a remote attacker to cause a denial of service via… CVSS 3.1HIGH 7.5
  • TI-2025-41097 An issue in ollama v.0.12.10 allows a remote attacker to cause a denial of service via the GGUF decoder CVSS 3.1HIGH 7.5
  • TI-2025-01720 Improper Validation of Array Index in ollama/ollama CVSS 3.0HIGH 7.5
See all 24 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences