CVE-2026-90481 PUBLISHED

Assigner: mitre
Reserved: 12.09.2026 Published: 24.09.2026 Updated: 24.09.2026

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

Metrics

CVSS 4.0

CVSS 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
CVSS Score: 9.2

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	Low
Attack Complexity	Low	Integrity	High	Integrity	Low
Attack Requirements	Present	Availability	High	Availability	Low
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	PortSwigger
Product	Burp Suite DAST
Versions	Default: unaffected affected from 2021.11 to 2026.8 (excl.)

Solutions

Upgrade to Burp Suite DAST 2026.8 or later.

References

https://portswigger.net/burp/releases/dast-2026-8

Problem Types

CWE-288 Authentication Bypass Using an Alternate Path or Channel CWE