Bug 2402951 (CVE-2025-61783)

Summary: CVE-2025-61783 social-app-django: Python Social Auth - Django has unsafe account association
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: anthomas, ehelms, ggainey, haoli, hkataria, jajackso, jcammara, jmitchel, jneedle, juwatts, kegrant, koliveir, kshier, mabashia, mhulan, nmoumoul, osousa, pbraun, pcreech, rchan, shvarugh, simaishi, smallamp, smcdonal, stcannon, teagle, tfister, thavo, tmalecek, yguenane
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in Python Social Auth, a social authentication and registration framework. During authentication, a user account could be incorrectly associated by e-mail even when the associate_by_email pipeline was not explicitly enabled. This behavior could allow account takeover if a third-party authentication provider fails to properly validate or enforce uniqueness of e-mail addresses.
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Description OSIDB Bzimport 2025-10-09 22:01:47 UTC
Python Social Auth is a social authentication/registration mechanism. In versions prior to 5.6.0, upon authentication, the user could be associated by e-mail even if the `associate_by_email` pipeline was not included. This could lead to account compromise when a third-party authentication service does not validate provided e-mail addresses or doesn't require unique e-mail addresses. Version 5.6.0 contains a patch. As a workaround, review the authentication service policy on e-mail addresses; many will not allow exploiting this vulnerability.