CVE-2025-44779: ollama Improper Input Validation
Vulnerability summary
CVE-2025-44779 is a medium (CVSS 6.6) Improper Input Validation vulnerability in ollama. EPSS estimates a 0.19% chance of exploitation in the next 30 days, higher than 9.1% of scored vulnerabilities.
Not severe (CVSS 6.6, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 2 · Related 2Timeline
- 07-08-2025PublishedVulnerability first disclosed.
- 07-08-2025Last modifiedVulnerability information updated.
Description
An issue in Ollama v0.1.33 allows attackers to delete arbitrary files via sending a crafted packet to the endpoint /api/pull.
CVSS metrics
4 scores · 4 sources · 1 version- OSV · PypiEcosystem advisory · calculated6.6MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
- OSV · GoEcosystem advisory · calculated6.6MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
- NVDNIST6.6MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
EPSS trend
Probability
0.19%
Chance of exploitation in the next 30 days
Percentile
9%
Versus all other CVEs
30-day change
Increase +0.02 pp
From 0.18% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
- CWE-552Files or Directories Accessible to External PartiesThe product makes files or directories accessible to unauthorized actors, even though they should not be.
Affected systems
Known conditions: local access, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.
Github.com/ollama1 product
- ollama< 0.1.34
Ollama1 product
- ollama0.1.33
PyPI1 product
- ollama≤ 0.1.33-NA
3 vendors · 3 products