SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2025-51471

Cross-Domain Token Exposure in server.auth.getAuthorizationToken in Ollama 0.6.7 allows remote attackers to steal authentication tokens and bypass access controls via a malicious realm value in a WWW-Authenticate header returned by the /api/pull endpoint.

MEDIUM 6.9EPSS 18.5%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 18.5%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.

Description

Cross-Domain Token Exposure in server.auth.getAuthorizationToken in Ollama 0.6.7 allows remote attackers to steal authentication tokens and bypass access controls via a malicious realm value in a WWW-Authenticate header returned by the /api/pull endpoint.

CVSS 3.1
6.9 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:N
EPSS
18.53% probability · 97th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-345, CWE-384
Affected
ollama/ollama
Source
cve@mitre.org
EPSS trend
0%10%20%21 September 2026: 15.25%12 October 2026: 13.92%23 October 2026: 18.53%1 November 2026: 18.53%21 September 20261 November 2026

EPSS moved from 15.2% on 21 September 2026 to 18.5% on 1 November 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.