CVE-2026-92860 rcourtman Pulse Quick Security Setup quick-setup fmt.Sprintf input validation
Remote attackers can exploit improper input validation in the Quick Security Setup handler, requiring an upgrade to mitigate.
- 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-2026-92860?
CVE-2026-92860 is a critical vulnerability in rcourtman Pulse, published on 17 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A security flaw has been discovered in rcourtman Pulse up to 6.0.4/6.1.0-rc.4. Affected by this issue is the function fmt.Sprintf of the file /api/security/quick-setup of the component Quick Security Setup Handler. The manipulation of the argument Username results in improper input validation. The attack may be performed from remote. Upgrading the affected component is advised.
Weakness: CWE-20
Which versions are affected by CVE-2026-92860?
How do I fix CVE-2026-92860?
No fix has been published for CVE-2026-92860 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-92860 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-92860 exists.
Sources
Also known as GHSA-hr96-4vhc-9hjf, GHSA-rr3f-jjrr-3qxv.