CVE-2026-92860
The manipulation of the argument Username results in improper input validation.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.47%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 4.0
- 9.4 CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.47% probability · 40th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Source
- cna@vuldb.com
EPSS 0.5% since 19 September 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/rcourtman/Pulse/
- https://github.com/rcourtman/Pulse/releases/tag/v6.1.0
- https://github.com/rcourtman/Pulse/security/advisories/GHSA-rr3f-jjrr-3qxv
- https://vuldb.com/cve/CVE-2026-92860
- https://vuldb.com/submit/941807
- https://vuldb.com/vuln/406309
- https://vuldb.com/vuln/406309/cti
- https://github.com/rcourtman/Pulse/security/advisories/GHSA-rr3f-jjrr-3qxv
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.