Description
A TOCTOU and symlink race in svenstaro/miniserve 0.32.0 upload finalization (when uploads are enabled) can allow an attacker to overwrite arbitrary files outside the intended upload/document root in deployments where the attacker can create/replace filesystem entries in the upload destination directory (e.g., shared writable directory/volume).
Scores
CVSS v3
6.8
EPSS
0.0002
EPSS Percentile
5.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-59
CWE-367
Status
published
Products (2)
crates.io/miniserve
0 - 0.32.0crates.io
svenstaro/miniserve
0.32.0
Published
Jan 23, 2026
Tracked Since
Feb 18, 2026