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CVE-2026-92860

rcourtman Pulse Quick Security Setup quick-setup fmt.Sprintf input validation

9.4 Critical

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
High
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.85%Up 0.4 points since Sep 18, 2026
90%50%10%1%

What each source reports

CVE List Score used 9.4

rcourtman Pulse Quick Security Setup quick-setup fmt.Sprintf input validation

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.

Record
CVE-2026-92860
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
CVSS 3.1
9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:X/RL:O/RC:C
CVSS 3.0
9.1 CriticalCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:X/RL:O/RC:C
CVSS 2.0
8.3 AV:N/AC:L/Au:M/C:C/I:C/A:C/E:ND/RL:OF/RC:C
Weakness
CWE-20
Updated
2026-11-02
EUVDEUVD-2026-81464 9.4

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.

Record
EUVD-2026-81464
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
Updated
2026-11-02
GitHub AdvisoriesGHSA-hr96-4vhc-9hjf 9.4

A security flaw has been discovered in rcourtman Pulse up to 6.0.4/6.1.0-rc.4. Affected by this...

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.

Record
GHSA-hr96-4vhc-9hjf
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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1
9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Weakness
CWE-20
Updated
2026-11-02
NVD 9.4

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.

Record
CVE-2026-92860
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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1
9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS 2.0
8.3 HighAV:N/AC:L/Au:M/C:C/I:C/A:C
Weakness
CWE-20
Updated
2026-11-02
OSV 9.4

rcourtman Pulse Quick Security Setup quick-setup fmt.Sprintf input validation

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.

Record
CVE-2026-92860
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
Weakness
CWE-20
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-92860 is a critical vulnerability (CVSS 9.4) in Laravel Pulse, published September 17, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.85%, the 58th percentile. No source names a fixed version.

References

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