SB2026081975 - Open redirect in Pivotal Concourse



SB2026081975 - Open redirect in Pivotal Concourse

Published: August 19, 2026

Security Bulletin ID SB2026081975
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Open redirect (CVE-ID: CVE-2026-49826)

CWE-ID: CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')

CVSSv4: 0 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to redirect users to an untrusted site.

The vulnerability exists due to open redirect in the login flow redirect_uri handling in skymarshal skyserver when processing a crafted login URL. A remote attacker can send a specially crafted URL to redirect users to an untrusted site.

User interaction is required, and the redirection occurs after the login flow completes.


Remediation

Install update from vendor's website.