What is CVE-2025-67728?

CVE-2025-67728 is a critical-severity vulnerability in Shaneisrael Fireshare, classified under Command Injection. CVSS score: 9.8/10. Published 2025-12-12.

How severe is CVE-2025-67728?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Shaneisrael Fireshare

CVE-2025-67728

Fireshare facilitates self-hosted media and link sharing. Versions 1.2.30 and below allow an authenticated user, or unauthenticated user if the Public Uploads setting is enabled, to craft a malicious filename when uploading a video file. T…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.004 (60.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Shaneisrael Fireshare — versions < 1.3.0

Weakness classification (CWE)

CWE-77 — Command Injection

References

https://github.com/ShaneIsrael/fireshare/security/advisories/GHSA-c4f5-g622-q72m (x_refsource_CONFIRM)
https://github.com/ShaneIsrael/fireshare/commit/157386c85f6683f89192dae52115069b435b6d34 (x_refsource_MISC)

Frequently asked questions

What is CVE-2025-67728?: CVE-2025-67728 is a critical-severity vulnerability in Shaneisrael Fireshare, classified under Command Injection. CVSS score: 9.8/10. Published 2025-12-12.
How severe is CVE-2025-67728?: Critical severity. CVSS v3 base score is 9.8 out of 10.