CVE-2026-33213 getredash CVE debrief

Who should care

Redash users and administrators, security teams monitoring for open redirect vulnerabilities, and organizations using Redash should prioritize patching to prevent potential redirects to attacker-controlled sites. This includes reviewing and updating Redash to version 26.03.1 or later, monitoring for suspicious login URL activity, and implementing additional security measures to prevent open redirect attacks. Affected operators and platforms should also review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance. Security teams should plan vendor-supported updates or mitigations through normal change control where exposure is confirmed and review compensating controls for exposed systems while remediation is scheduled and verified. Asset inventory and vulnerability management teams should track exceptions, retest remediated assets, and close the item only after evidence is documented. Monitoring and detection teams should check relevant monitoring, detection, and logs for exposed assets that need extra review. Redash users and administrators should also be aware of the potential impact of this vulnerability on their systems and take steps to mitigate it. The vulnerability can be exploited by an attacker to redirect users to an external site after authentication, which can lead to further attacks. Therefore, it is essential to prioritize patching and implement additional security measures to prevent open redirect attacks. Organizations using Redash should also review their current version and update to a patched version as soon as possible. Additionally, they should monitor for suspicious login URL activity and implement compensating controls to prevent exploitation. By taking these steps, organizations can reduce the risk of exploitation and protect their systems from potential attacks. The CVE record provides additional information about the vulnerability, and organizations should review it to understand the affected scope, severity, and vendor guidance. Overall, Redash users and administrators, security teams, and organizations using Redash should take immediate action to mitigate this vulnerability and prevent

Technical summary

The get_next_path() function in Redash's authentication module did not normalize multiple leading slashes, allowing a crafted login URL such as /login?next=////evil.com to redirect users to an external attacker-controlled site after authentication. This issue existed from version 5.0.2 to 26.3.0. The vulnerability can be mitigated by applying the patch from https://github.com/getredash/redash/commit/9e66f81673c482d9ae6c425afe009644114605d0 or updating Redash to version 26.03.1 or later.

Defensive priority

Organizations using Redash should prioritize patching to prevent potential redirects to attacker-controlled sites.

Recommended defensive actions

• Apply the patch from https://github.com/getredash/redash/commit/9e66f81673c482d9ae6c425afe009644114605d0
• Review and update Redash to version 26.03.1 or later
• Monitor for suspicious login URL activity
• Implement additional security measures to prevent open redirect attacks
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
• Review compensating controls for exposed systems while remediation is scheduled and verified.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.

Evidence notes

The get_next_path() function in Redash's authentication module did not normalize multiple leading slashes, allowing a crafted login URL to redirect users to an external site. Patch available in version 26.03.1.

Official resources