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.
Metrics
Affected Vendors & Products
Advisories
No advisories yet.
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Mon, 14 Sep 2026 22:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | DocsGPT through 0.20.0 OAuth Token Disclosure via Wildcard postMessage | |
| First Time appeared |
Arc53
Arc53 docsgpt |
|
| Weaknesses | CWE-346 | |
| CPEs | cpe:2.3:a:arc53:docsgpt:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Arc53
Arc53 docsgpt |
|
| References |
|
|
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-09-14T22:10:58.067Z
Reserved: 2026-09-14T21:55:44.093Z
Link: CVE-2026-91201
No data.
Status : Received
Published: 2026-09-14T23:19:00.783
Modified: 2026-09-14T23:19:00.783
Link: CVE-2026-91201
No data.
OpenCVE Enrichment
Updated: 2026-09-15T10:00:16Z
Weaknesses