Vulnerability Description
DocsGPT through 0.20.0 posts OAuth connector session tokens to a wildcard target origin in the callback-status endpoint without validating sender origin. Attackers can obtain session tokens and provider account emails by acting as window.opener during OAuth authorization, then use tokens to disconnect victims' cloud storage connectors.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/arc53/DocsGPT
- https://github.com/arc53/DocsGPT/blob/c36b0af17037449f34449efa97da82becfc9492d/d
- https://github.com/arc53/DocsGPT/blob/c36b0af17037449f34449efa97da82becfc9492d/d
- https://github.com/arc53/DocsGPT/blob/c36b0af17037449f34449efa97da82becfc9492d/f
- https://github.com/arc53/DocsGPT/issues/2766
- https://www.vulncheck.com/advisories/docsgpt-through-0.20.0-oauth-token-disclosu
FAQ
What is CVE-2026-91201?
CVE-2026-91201 is a vulnerability with a CVSS score of 5.4 (MEDIUM). DocsGPT through 0.20.0 posts OAuth connector session tokens to a wildcard target origin in the callback-status endpoint without validating sender origin. Attackers can obtain session tokens and provid...
How severe is CVE-2026-91201?
CVE-2026-91201 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-91201?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.