Open redirect in OpenMetadata - #VU151683
Published: September 22, 2026
Vulnerability identifier: #VU151683
CSH Severity: High
CVSS v4: 8.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-601
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to take over a victim's session.
The vulnerability exists due to improper validation of redirect URLs in the SAML login callback handling when processing a callback parameter during SAML login. A remote attacker can send a crafted login link specifying an external callback URL to take over a victim's session.
User interaction is required for the victim to complete SAML authentication through the crafted link.
Affected software
OpenMetadata
Remediation
Install security update from vendor's website.
OpenMetadata - update to 2.0.0