CVE-2026-39968— TypeBot: Cross-Workspace Credential Theft via Bot-Engine Preview Endpoint
Quick assessment
Affected
baptisteArno typebot.io
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Typebot是Baptiste Arnaud个人开发者的一个开源聊天机器人构建器。 TypeBot 3.15.2及之前版本存在安全漏洞，该漏洞源于bot-engine运行时仍允许任何认证用户通过预览聊天端点使用任何工作区的凭据，且getCredentials()函数使用假值检查进行工作区所有权验证，可能导致凭据泄露。以下版本受到影响：3.15.2及之前版本。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| baptisteArno | typebot.io | < 3.16.0 |
affected |
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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: CVE Program / CVE List V5
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: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Typebot 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Typebot是Baptiste Arnaud个人开发者的一个开源聊天机器人构建器。 TypeBot 3.15.2及之前版本存在安全漏洞，该漏洞源于bot-engine运行时仍允许任何认证用户通过预览聊天端点使用任何工作区的凭据，且getCredentials()函数使用假值检查进行工作区所有权验证，可能导致凭据泄露。以下版本受到影响：3.15.2及之前版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| baptisteArno | typebot.io | < 3.16.0 | - |
|
II. Public POCs for CVE-2026-39968
| # | POC Description | Source Link | Shenlong Link |
|---|
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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-2026-33712 | 10.0 CRITICAL | TypeBot: Unauthenticated SSRF via isolated-vm fetch in preview chat endpoint bypasses SSRF |
| CVE-2026-28445 | 8.7 HIGH | Typebot: Stored XSS via Rating Block Custom Icon Bypasses isUnsafe Sandbox in Builder Prev |
| CVE-2026-39965 | 7.7 HIGH | TypeBot: SSRF via Open Redirect Bypass in HTTP Request and Code Blocks |
| CVE-2026-34207 | 7.6 HIGH | TypeBot: SSRF Protection Bypass via DNS-Resolved Hostnames in Webhook / HTTP Request Valid |
| CVE-2026-28444 | 6.5 MEDIUM | Typebot: IDOR in Result Logs Endpoint Allows Cross-Workspace Data Disclosure |
| CVE-2026-39966 | 6.5 MEDIUM | TypeBot: Async filter() bypasses authorization, allowing IDOR in getLinkedTypebots and lea |
| CVE-2026-39969 | 6.5 MEDIUM | TypeBot: WhatsApp Webhook Endpoint Missing Signature Verification |
| CVE-2026-39964 | 5.4 MEDIUM | TypeBot: Stored XSS via javascript: URI in text bubble links — bot author executes JS on v |
| CVE-2026-39967 | 3.1 LOW | TypeBot: Cross-Typebot Result Data Access via Missing typebotId Filter |
| CVE-2026-39970 | TypeBot: Stored Cross-Site Scripting (XSS) via SVG File Upload On Profile Picture Form |
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