CVE-2026-72571 mustafaakin cast-localvideo - Unauthenticated Path Traversal via dir Parameter
Unauthenticated attackers can read arbitrary files from the server via path traversal in the dir parameter of cast-localvideo.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-72571?
CVE-2026-72571 is a high-severity path traversal vulnerability in mustafaakin cast-localvideo, published on 10 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A path traversal vulnerability in mustafaakin/cast-localvideo (all versions) allows an unauthenticated remote attacker to read arbitrary files from the server. The app.js handler at lines 151-153 passes the user-supplied req.body.dir parameter directly to res.sendFile() without sanitization, enabling directory traversal via absolute paths or ../ sequences to read sensitive system files.
Weakness: CWE-22
Which versions are affected by CVE-2026-72571?
How do I fix CVE-2026-72571?
No fix has been published for CVE-2026-72571 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-72571 being exploited?
There is no known exploitation of CVE-2026-72571 in the wild and no public exploit code.
Sources
Also known as GHSA-2cj2-3364-qxxf.