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A GitHub-reviewed security advisory, not necessarily under active exploitation the way our CISA KEV advisories are, but a real, disclosed vulnerability in an open-source dependency.
Affected packages
Vulnerable: < 5.0.0
Patched in 5.0.0
Details
The LoginRadius backend did not validate OAuth state during the authentication flow.
Applications using this backend were vulnerable to login CSRF. An attacker could cause a victim's browser session to complete authentication using an attacker-controlled LoginRadius token, making the victim authenticated as the attacker's LoginRadius identity.
The issue affects only applications using the LoginRadius backend.
The issue has been fixed by enabling callback state validation for the LoginRadius backend.
Users should upgrade to a patched version.
Fix:
Applications that cannot upgrade immediately should disable the LoginRadius backend by removing it from SOCIAL_AUTH_AUTHENTICATION_BACKENDS.
There is no complete workaround while continuing to use the vulnerable backend.
Reported through GitHub private vulnerability reporting by Liyi Zhou, Ziyue Wang, Strick, Maurice, and Chenchen Yu from the University of Sydney security research team.
Reporter references:
EPSS, exploit probability
Low0.11%
estimated chance of real-world exploitation in the next 30 days, higher than 1.2% of every CVE FIRST.org scores
Refreshed 11/9/2026, via FIRST.org's EPSS model, not CVSS, this measures likelihood of exploitation, not how severe it would be.
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A secure code review or supply chain review finds this before an advisory does.