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CVE-2026-39968— TypeBot: Cross-Workspace Credential Theft via Bot-Engine Preview Endpoint

CVSS 7.1 · High EPSS 0.04% · P11

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProductVersion RangeStatus
baptisteArnotypebot.io< 3.16.0affected
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I. Basic Information for CVE-2026-39968

Vulnerability Information
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Vulnerability Title
TypeBot: Cross-Workspace Credential Theft via Bot-Engine Preview Endpoint
Source: NVD (National Vulnerability Database)
Vulnerability Description
TypeBot is a chatbot builder tool. In versions 3.15.2 and prior, the fix for GHSA-4xc5-wfwc-jw47 ("Credential Theft via Client-Side Script Execution and API Authorization Bypass") is incomplete. While the builder's getCredentials tRPC endpoint was patched with workspace membership checks, the bot-engine runtime still allows any authenticated user to use credentials from any workspace via the preview chat endpoint. The bot-engine's getCredentials() utility function uses a falsy check (if (workspaceId && ...)) for workspace ownership validation. Since the preview endpoint accepts a client-controlled workspaceId field and the Zod schema allows empty strings, an attacker can supply workspaceId: "" to bypass credential ownership verification entirely. Exploitation can result in credential exfiltration, external service abuse, financial damage and a data breach.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
访问控制不恰当
Source: NVD (National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
baptisteArnotypebot.io < 3.16.0 -

II. Public POCs for CVE-2026-39968

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III. Intelligence Information for CVE-2026-39968

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Patches & Fixes for CVE-2026-39968 (1)

Vendor Advisories for CVE-2026-39968 (1)

Vendor Pages for CVE-2026-39968 (1)

Same Patch Batch · baptisteArno · 2026-05-22 · 11 CVEs total

CVE-2026-3371210.0 CRITICALTypeBot: Unauthenticated SSRF via isolated-vm fetch in preview chat endpoint bypasses SSRF
CVE-2026-284458.7 HIGHTypebot: Stored XSS via Rating Block Custom Icon Bypasses isUnsafe Sandbox in Builder Prev
CVE-2026-399657.7 HIGHTypeBot: SSRF via Open Redirect Bypass in HTTP Request and Code Blocks
CVE-2026-342077.6 HIGHTypeBot: SSRF Protection Bypass via DNS-Resolved Hostnames in Webhook / HTTP Request Valid
CVE-2026-284446.5 MEDIUMTypebot: IDOR in Result Logs Endpoint Allows Cross-Workspace Data Disclosure
CVE-2026-399666.5 MEDIUMTypeBot: Async filter() bypasses authorization, allowing IDOR in getLinkedTypebots and lea
CVE-2026-399696.5 MEDIUMTypeBot: WhatsApp Webhook Endpoint Missing Signature Verification
CVE-2026-399645.4 MEDIUMTypeBot: Stored XSS via javascript: URI in text bubble links — bot author executes JS on v
CVE-2026-399673.1 LOWTypeBot: Cross-Typebot Result Data Access via Missing typebotId Filter
CVE-2026-39970TypeBot: Stored Cross-Site Scripting (XSS) via SVG File Upload On Profile Picture Form

IV. Related Vulnerabilities

Same product: typebot.io
Same vendor: baptisteArno
Same weakness: CWE-284

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