Medium severity5.4NVD Advisory· Published Sep 14, 2026
CVE-2026-91201
CVE-2026-91201
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.
Patches
Vulnerability mechanics
References
5- github.com/arc53/DocsGPT/blob/c36b0af17037449f34449efa97da82becfc9492d/docsgpt/api/connector/routes.pynvd
- github.com/arc53/DocsGPT/blob/c36b0af17037449f34449efa97da82becfc9492d/docsgpt/api/connector/routes.pynvd
- github.com/arc53/DocsGPT/blob/c36b0af17037449f34449efa97da82becfc9492d/frontend/src/components/ConnectorAuth.tsxnvd
- github.com/arc53/DocsGPT/issues/2766nvd
- www.vulncheck.com/advisories/docsgpt-through-0.20.0-oauth-token-disclosure-via-wildcard-postmessagenvd
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