CVE-2026-91201

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.

Scoring

Severity
MEDIUM
CVSS base score
5.4
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N
EPSS probability
0.14%
CWE
CWE-346
Published
2026-09-14
Last modified
2026-09-14

Affected products

Weakness type

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