CVE-2026-19755 NoSleep 1.5.1 - Unauthorized disclosure of root-owned files through privileged XPC helper
Attackers can exploit a privileged XPC service to read root-owned files and potentially escalate privileges due to missing authorization checks.
- 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-2026-19755?
CVE-2026-19755 is a medium-severity missing authorization vulnerability in NoSleep, published on 20 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
NoSleep 1.5.1 exposes a privileged XPC Mach service and accepts raw dictionary messages containing attacker-controlled command and NSBundlePath values.This issue affects NoSleep: 1.5.1.
Weakness: CWE-862
Which versions are affected by CVE-2026-19755?
How do I fix CVE-2026-19755?
No fix has been published for CVE-2026-19755 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-2026-19755 being exploited?
There is no known exploitation of CVE-2026-19755 in the wild and no public exploit code.
Sources
Also known as GHSA-fwg2-3f5m-7xx2.