CVE-2025-6278

MEDIUM

upsonic < 0.55.6 - Path Traversal via file.filename Argument

Title source: llm
STIX 2.1

Description

A vulnerability classified as critical was found in Upsonic up to 0.55.6. This vulnerability affects the function os.path.join of the file markdown/server.py. The manipulation of the argument file.filename leads to path traversal. The exploit has been disclosed to the public and may be used.

References (4)

Core 4
Core References
Third Party Advisory, VDB Entry vdb-entry technical-description
https://vuldb.com/?id.313282
Permissions Required, VDB Entry signature permissions-required
https://vuldb.com/?ctiid.313282
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.593096
Exploit exploit issue-tracking
https://github.com/Upsonic/Upsonic/issues/356

Scores

CVSS v3 5.5
EPSS 0.0063
EPSS Percentile 70.5%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-22
Status published
Products (2)
pypi/upsonic 0 - 0.56.0PyPI
upsonic/upsonic < 0.55.6
Published Jun 19, 2025
Tracked Since Feb 18, 2026