CVE-2026-50590 Path traversal in Incydr
An attacker can access arbitrary files due to incorrect permissions in Mimecast Incydr, potentially exposing sensitive data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-50590?
CVE-2026-50590 is a medium-severity path traversal vulnerability in Mimecast Incydr, published on 5 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In Mimecast Incydr before 2.6.0, arbitrary file access can occur.
Weakness: CWE-732
Which versions are affected by CVE-2026-50590?
How do I fix CVE-2026-50590?
No fix has been published for CVE-2026-50590 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-2026-50590 being exploited?
There is no known exploitation of CVE-2026-50590 in the wild and no public exploit code.
Sources
Also known as GHSA-6m3j-hq56-jq77.