Vulnerability Description
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.
Related Weaknesses (CWE)
References
- https://github.com/concourse/concourse/commit/ac60be5f0435b6592f5a4fcc089050d72a
- https://github.com/concourse/concourse/releases/tag/v8.2.3
- https://github.com/concourse/concourse/security/advisories/GHSA-8w27-c4vc-88q9
FAQ
What is CVE-2026-49826?
CVE-2026-49826 is a documented vulnerability. 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 ...
How severe is CVE-2026-49826?
CVSS scoring is not yet available for CVE-2026-49826. Check NVD for updates.
Is there a patch for CVE-2026-49826?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.