CVE-2026-90481

Authentication Bypass via Alternate Channel in Burp Suite DAST Prior to 2026.8

Published Sep 24, 2026 CVSS 4.0 · 9.2 Critical EPSS < 1% KEV · Not listed
Description
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

Vendor Solution

Upgrade to Burp Suite DAST 2026.8 or later.

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Authentication Bypass via Alternate Channel in Burp Suite DAST Prior to 2026.8
Type Values Removed Values Added
First Time appeared Portswigger
Portswigger burp Suite
Vendors & Products Portswigger
Portswigger burp Suite
Type Values Removed Values Added
Description In PortSwigger Burp Suite DAST (formerly Burp Suite Enterprise Edition) before 2026.8, an authentication bypass can occur via an alternate path or channel.
Weaknesses CWE-288
References
Metrics cvssV4_0

{'score': 9.2, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Sep 24, 2026, 2:55 PM
Reserved
Sep 12, 2026, 2:49 AM
Status
Awaiting Analysis
Published
Sep 24, 2026, 3:17 PM
Modified
Sep 24, 2026, 9:08 PM