CVE-2025-51471

mediumpriority · track · 16OT risk · elevatedEPSS 0.185 · 97 %ileexploit · PoCEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

18.5% (97th) EPSS

CVSS 6.9 · medium

Is it mine?

6 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · osv

EPSS · scored 2026-10-27

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

Technical severity, 0–10. One row per scoring source.

6.9

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.16.9mediumAV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:Nsecondary · FSTEC (BDU) RU

v3.16.9mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:Nsecondary · ENISA EU

v3.16.9mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:Nsecondaryexploitability 1.6 · impact 4.7

v3.16.9mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:Nsecondary · OSV

v3.16.5mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:N/E:Psecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: no · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-345USCWE-345USCWE-345USCWE-384USCWE-384US

exploits (1)

Public proof-of-concept and weaponised exploit code.

ajtazer/CVE-2025-51471-POCThis PoC is for educational and authorized security testing purposes only. Do NOT use against systems you don't own.PoC · poc_in_github

affected products (6)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
Сообщество свободного программного обеспечения Ollama≤ 0.6.7fstec_bduRU
ollama ollama= 0.6.7nvdUScpe:2.3:a:ollama:ollama:*:*:*:*:*:*:*:*
Go github.com/ollama/ollama≤ 0.9.6osvUSpkg:golang/github.com/ollama/ollama
Go github.com/ollama/ollamaall versionsosvUSpkg:golang/github.com/ollama/ollama
PyPI ollama≤ 0.6.7-NAosvUSpkg:pypi/ollama

advisories (3)

Vendor and ecosystem advisories describing this.

GHSA-x9hg-5q6g-q3jrOllama vulnerable to Cross-Domain Token Exposure2025-07-22ghsa · osvUS
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.
GO-2025-3824Ollama vulnerable to Cross-Domain Token Exposure in github.com/ollama/ollama2025-07-30vendor · osvUS
Ollama vulnerable to Cross-Domain Token Exposure in github.com/ollama/ollama
PYSEC-2025-1472025-07-22vendor · osvUS
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.

also known as (7)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu osv nvd NVD CVE.org MITRE

published 2025-07-22modified 2026-06-17

references (13)

External citations — patches, advisories, analysis.

scry

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