CVE-2026-33213 Details
Description
Redash is a package for data visualization and sharing. From 5.0.2 to 26.3.0, the get_next_path() function in Redash's authentication module stripped the scheme and netloc from user-supplied next parameters but 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.
An open redirect vulnerability has been identified in Redash versions 5.0.2 through 26.3.0. The issue arises in the authentication module's get_next_path() function, which improperly handles user-supplied next parameters. While the function strips the scheme and netloc, it fails to normalize multiple leading slashes. This oversight allows crafted login URLs to redirect users to external, attacker-controlled sites after authentication. The vulnerability affects all authentication methods, including password login, Google OAuth, LDAP, and remote user authentication.
Users can upgrade to Redash version 26.3.1, which includes the patch for this vulnerability. If an upgrade is not possible, the patch can be manually applied to the redash/authentication/__init__.py file by collapsing multiple leading slashes in the get_next_path() function.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jul 15, 2026References to Advisories, Solutions, and Tools
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Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-601 | URL Redirection to Untrusted Site ('Open Redirect') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| redash redash | >= 5.0.2, < 26.03.1 |
CPE
Remediation
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Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Aug 18, 2026 | Initial Analysis | [email protected] |
| Jul 15, 2026 | CVE Modified | CISA-ADP |
| Jul 15, 2026 | New CVE Received | [email protected] |