What’s Vulnerable › Vulnerabilities

CVE-2026-92860: rcourtman Pulse Quick Security Setup quick-setup fmt.Sprintf input validation

• Severity: critical (CVSS 9.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-17 · updated 2026-09-19
• Weakness: CWE-20

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.

Affected products

• rcourtman Pulse: 6.0.0, 6.0.1, 6.0.2, 6.0.3, 6.0.4, 6.1.0-rc.0 (+4)

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

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