---
title: "CVE-2026-90823: FatPipe MPVPN, WARP, and IPVPN - Remote Code Execution"
description: "FatPipe MPVPN, WARP, and IPVPN appliances 10.1.2r60p100 contain a stack-based buffer overflow caused by unchecked copy in /usr/sbin/auth_user_pass, letting unauthenticated remote attackers execute arbitrary code as root, exploit requires enabled management interface."
url: https://panop.io/threat-heartbeat/CVE-2026-90823/
---

# CVE-2026-90823 FatPipe MPVPN, WARP, and IPVPN - Remote Code Execution

FatPipe MPVPN, WARP, and IPVPN appliances 10.1.2r60p100 contain a stack-based buffer overflow caused by unchecked copy in /usr/sbin/auth\_user\_pass, letting unauthenticated remote attackers execute arbitrary code as root, exploit requires enabled management interface.

CVSS base score 9.8 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.68% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-90823)

## Details

Type

Remote Code Execution

Impact

Remote Code Execution

CVSS vector

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

Published

17 September 2026

Updated

15 October 2026

Weakness

[CWE-121](https://cwe.mitre.org/data/definitions/121.html)

## Vendor fix

Update to the latest firmware version or contact FatPipe for a patched release.

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-2026-90823](https://nvd.nist.gov/vuln/detail/CVE-2026-90823)
- [https://www.securifera.com/advisories/](https://www.securifera.com/advisories/)
- [https://www.fatpipeinc.com/support/support](https://www.fatpipeinc.com/support/support)

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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

Panop answers these inside your environment, for this CVE and every other finding.

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