CVE-2026-55978 Improper access control vulnerability in CatchPulse
A local non-admin attacker can bypass security policy enforcement by connecting to an unrestricted kernel filter port in CatchPulse.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-55978?
CVE-2026-55978 is a high-severity missing authorization vulnerability in SecureAge CatchPulse, published on 6 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An improper access control vulnerability in CatchPulse could allow a non-administrative local attacker to connect to an unrestricted kernel filter communication port and bypass CatchPulse's security policy enforcement.
Weakness: CWE-284
Which versions are affected by CVE-2026-55978?
How do I fix CVE-2026-55978?
No fix has been published for CVE-2026-55978 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-55978 being exploited?
There is no known exploitation of CVE-2026-55978 in the wild and no public exploit code.
Sources
Also known as GHSA-547c-jxf5-rw6f.