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Automated security fix generated by OrbisAI Security
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Summary
Fix high severity security issue in
Email/Sender/Transport/OAuthBearerSMTP.pm.Vulnerability
V-001Email/Sender/Transport/OAuthBearerSMTP.pm:28Description: The OAuthBearerSMTP.pm module accepts OAuth bearer tokens for SMTP authentication without implementing token binding, DPoP (Demonstrating Proof-of-Possession), or channel binding. The access_token is passed directly to the SMTP AUTH command without verification that the token is being used by the legitimate holder, allowing stolen tokens to be replayed from any location.
Evidence
Exploitation scenario: An attacker who obtains an OAuth bearer token via network sniffing, XSS in tmail web interface, or compromised client can replay the token to authenticate to the SMTP server from any location.
Scanner confirmation: multi_agent_ai rule
V-001flagged this pattern.Production code: This file is in the production codebase, not test-only code.
Threat Model Context
This is a containerized service - vulnerabilities may be exploitable depending on network exposure.
Changes
Email/Sender/Transport/OAuthBearerSMTP.pmBehavior Preservation
The change is scoped to 1 file on the vulnerable path.
Automated security fix by OrbisAI Security