What is CVE-2025-67124?

CVE-2025-67124 is a medium-severity vulnerability in Svenstaro Miniserve, classified under Improper Link Resolution Before File Access. CVSS score: 6.8/10. Published 2026-01-23.

How severe is CVE-2025-67124?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Vulnerability in Svenstaro Miniserve

CVE-2025-67124

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).

EPSS: 0.003 (22.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H.

Affected products

Svenstaro Miniserve — versions 0.32.0
N/a — versions n/a

Weakness classification (CWE)

References

cve@mitre.org (Product)
cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-67124?: CVE-2025-67124 is a medium-severity vulnerability in Svenstaro Miniserve, classified under Improper Link Resolution Before File Access. CVSS score: 6.8/10. Published 2026-01-23.
How severe is CVE-2025-67124?: Medium severity. CVSS v3 base score is 6.8 out of 10.