CVE-2025-66386 Path traversal in MISP
A site-admin can exploit a path traversal vulnerability in MISP to read arbitrary files from the server.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-66386?
CVE-2025-66386 is a medium-severity path traversal vulnerability in MISP, published on 28 Nov 2025. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
app/Model/EventReport.php in MISP before 2.5.27 allows path traversal in view picture for a site-admin.
Weakness: CWE-23
Which versions are affected by CVE-2025-66386?
How do I fix CVE-2025-66386?
No fix has been published for CVE-2025-66386 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-2025-66386 being exploited?
There is no known exploitation of CVE-2025-66386 in the wild and no public exploit code.
Sources
Also known as GHSA-w7p3-5r7j-j9pc.