---
id: CVE-2026-90481
title: >-
  In PortSwigger Burp Suite DAST (formerly Burp Suite Enterprise Edition) before
  2026.8, an authentication bypass can occur via an alternate path or channel.
summary: >-
  In PortSwigger Burp Suite DAST (formerly Burp Suite Enterprise Edition) before
  2026.8, an authentication bypass can occur via an alternate path or channel.
severity: critical
cvss: 9.2
cvssVector: 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L'
cwe:
  - CWE-288
vendor: PortSwigger
product: Burp Suite DAST
affected:
  - burp_suite_dast >= 2021.11 < 2026.8
published: '2026-09-24'
updated: '2026-09-24'
sourceUpdated: '2026-09-24T21:08:22.573'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-90481'
references:
  - url: 'https://portswigger.net/burp/releases/dast-2026-8'
    label: cve@mitre.org
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-24T14:55:22.193962Z'
cvssSource: cna
ingestedAt: '2026-09-24T15:45:56.649Z'
---

## Overview

In PortSwigger Burp Suite DAST (formerly Burp Suite Enterprise Edition) before 2026.8, an authentication bypass can occur via an alternate path or channel.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.