9.8

CVE-2025-63389: ollama

CVSS: 9.8v3.1CriticalModified
AliasesCGA-2ggc-hj3c-g2xpCGA-759h-8qjf-c6r7CGA-972q-j3ww-9wh7
Published 18-12-2025Last modified 22-01-2026
Open JSON

Vulnerability summary

CVE-2025-63389 is a critical (CVSS 9.8) vulnerability in ollama. EPSS estimates a 0.71% chance of exploitation in the next 30 days, higher than 52.5% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.71%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 5
OPENSUSE-SU-2026:21483-1SUSE-SU-2026:0142-1CGA-4CC2-C878-8JM9CGA-F4XJ-2X79-QRC6CGA-VCQC-7MHR-6445

Timeline

  1. 18-12-2025
    PublishedVulnerability first disclosed.
  2. 22-01-2026
    Last modifiedVulnerability information updated.

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 metrics

5 scores · 5 sources · 2 versions

EPSS trend

Probability

0.71%

Chance of exploitation in the next 30 days

Percentile

53%

Versus all other CVEs

30-day change

0.00 pp

From 0.71% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.71%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Chainguard4 products
  • k8sgpt< 0.4.33-r0
  • mods< 1.8.1-r12
  • ollama< 0.14.0-r0
  • ollama-fips< 0.14.0-r0
Wolfi3 products
  • k8sgpt< 0.4.33-r0
  • mods< 1.8.1-r12
  • ollama< 0.14.0-r0
Github.com/ollama1 product
  • ollama≤ 0.13.5 | All versions (No fix recorded)
Ollama1 product

4 vendors · 9 products

References

7 links