CVE Catalog

CVE-2026-49826

UnknownCVSS 0.0
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.30%

23th percentile - higher than 23% of all known CVEs

Summary

Concourse is a container-based automation system written in Go. Prior to version 8.2.3, an attacker can craft and send a user a URL that redirects the user from the Concourse web server to any other site. This could be used in a phishing attack to steal user credentials.

Risk Assessment

The risk for the organization is the possibility of effective phishing attacks against Concourse users, potentially leading to credential theft and unauthorized access to the system.

Recommendation

It is recommended to immediately upgrade Concourse to version 8.2.3 or later, which includes the fix. No workarounds are available.

Related vulnerabilities

Original NVD description (English source)

Concourse is a container-based automation system written in Go. Prior to version 8.2.3, an attacker is able to craft and send a user a URL that will redirect the user from the Concourse web server to any other site. This could be used in a phishing attack to steal user's credentials. This has been fixed in 8.2.3. No known workarounds are available.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS