---
title: "CVE-2026-92860: rcourtman Pulse - Improper Input Validation"
description: "rcourtman Pulse <= 6.0.4/6.1.0-rc.4 contains an improper input validation vulnerability caused by manipulation of the Username argument in /api/security/quick-setup Quick Security Setup Handler, letting remote attackers potentially exploit the issue."
url: https://panop.io/threat-heartbeat/CVE-2026-92860/
---

# CVE-2026-92860 rcourtman Pulse - Improper Input Validation

rcourtman Pulse <= 6.0.4/6.1.0-rc.4 contains an improper input validation vulnerability caused by manipulation of the Username argument in /api/security/quick-setup Quick Security Setup Handler, letting remote attackers potentially exploit the issue.

CVSS base score 9.1 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.85% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-92860)

## Details

Type

Improper Input Validation

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Published

17 September 2026

Updated

15 October 2026

Weakness

[CWE-20](https://cwe.mitre.org/data/definitions/20.html)

## Vendor fix

Upgrade to the latest version of rcourtman Pulse.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-92860](https://nvd.nist.gov/vuln/detail/CVE-2026-92860)
- [https://github.com/rcourtman/Pulse/](https://github.com/rcourtman/Pulse/)
- [https://github.com/rcourtman/Pulse/releases/tag/v6.1.0](https://github.com/rcourtman/Pulse/releases/tag/v6.1.0)
- [https://github.com/rcourtman/Pulse/security/advisories/GHSA-rr3f-jjrr-3qxv](https://github.com/rcourtman/Pulse/security/advisories/GHSA-rr3f-jjrr-3qxv)
- [https://vuldb.com/cve/CVE-2026-92860](https://vuldb.com/cve/CVE-2026-92860)
- [https://vuldb.com/submit/941807](https://vuldb.com/submit/941807)
- [https://vuldb.com/vuln/406309](https://vuldb.com/vuln/406309)
- [https://vuldb.com/vuln/406309/cti](https://vuldb.com/vuln/406309/cti)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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