Arbitrary file deletion via mismatched digest handling
Published Aug 7, 2025 · Updated Aug 7, 2025
Improper input validation in Ollama 0.1.33 allows attackers to delete arbitrary files through a crafted /api/pull request. The pull handler accepts layer digest values from a remote registry manifest and removes an existing target-path file when digest verification fails. Exploitation requires Ollama to pull from an attacker-controlled registry, and deletion is limited to files accessible to the Ollama process.
Summary
What happened
Improper input validation in Ollama 0.1.33 allows attackers to delete arbitrary files through a crafted /api/pull request. The pull handler accepts layer digest values from a remote registry manifest and removes an existing target-path file when digest verification fails. Exploitation requires Ollama to pull from an attacker-controlled registry, and deletion is limited to files accessible to the Ollama process.
The record
- CVE
- CVE-2025-44779
- Published
- Aug 7, 2025
- Updated
- Aug 7, 2025
- Vendor
- Unknown vendor
- Product
- Unknown product
- Classifications
- CWE-20, T1070.004
- Attack vector
- local
- Privileges
- unauthenticated
Timeline
How it unfolded
- Aug 7, 2025CVE publishedPublication date reported by the CVE source.
- Aug 7, 2025Record updatedLatest update available in the CVE record.
Exploitability
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What is affected?
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Published CVSS scores
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Attacks
What attackers are doing with it
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Public exploit references
- Ollama arbitrary file deletion proof of conceptproof of concept · demonstrated
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Technologies
Your stack
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Your stack
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