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Description
OpenWebUI version 0.3.0 contains a vulnerability in the audio API endpoint /audio/api/v1/transcriptions that allows for arbitrary file upload. The application performs insufficient validation on the file.content_type and allows user-controlled filenames, leading to a path traversal vulnerability. This can be exploited by an authenticated user to overwrite critical files within the Docker container, potentially leading to remote code execution as the root user.
Basic information
Type
reviewed
Severity
high Advisory on GitHub
Open advisory ↗ Repository advisory
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Source code
Browse source ↗ Published (advisory)
2025-03-20 12:32:47 UTC
Updated
2025-10-15 16:07:49 UTC
GitHub reviewed
2025-03-21 21:24:09 UTC
NVD published
2025-03-20 10:15:40 UTC
EPSS Score
Score
Percentile
0.92%
75.50%
CVSS Scores
Base score
Version
Severity
Vector
8.1
3.0
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CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
CWEs
CWE id
Name
CWE-22
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CWE-434
Unrestricted Upload of File with Dangerous Type
Affected packages (1)
Vulnerable version ranges and first patched releases as published by GitHub.
Ecosystem
Package
Vulnerable range
First patched
Vulnerable functions
pip
open-webui < 0.5.17
0.5.17
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cvelogic
Threat Intelligence