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Vulnerabilities CVE-2026-48765

CVE-2026-48765

Critical
Open
TLP:CLEAR

TypeBot vulnerable to cross-workspace OAuth credential takeover in updateOAuthCredentials via missing object binding

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Description

TypeBot is a chatbot builder tool. Versions prior to 3.17.0 allow a low-privilege read collaborator to extract a workspace OAuth `credentialsId` from a readable bot configuration and then overwrite that credential through `handleUpdateOAuthCredentials()` by supplying an attacker-controlled writable `workspaceId`. The update path validates only the attacker-supplied workspace and then updates the credential record by global `id` alone, while also rewriting the credential's `workspaceId`. This allows cross-workspace OAuth credential takeover and reassignment. Version 3.17.0 patches the issue.

Details

CVSS Score
9.9
EPSS Score
0.26%

17.1th percentile

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L
Confidence
90%
Published
Aug 11, 2026
Last Modified
Aug 12, 2026
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