CVE-2026-48767— Google Sheets OAuth access token disclosure to guest members via getAccessToken
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.
Baptiste Arnaud Typebot是Baptiste Arnaud个人开发者的一个可视化聊天机器人构建平台。 Baptiste Arnaud Typebot 3.17.0之前版本存在信息泄露漏洞，该漏洞源于工作区低权限访客成员可通过调用Google Sheets辅助函数getAccessToken获取该工作区的实时Google Sheets OAuth访问令牌，仅检查读权限便解密存储的Google OAuth凭据并直接返回原始Bearer令牌，可能导致信息泄露。
Affected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| baptisteArno | typebot.io | < 3.17.0 |
affected |
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I. Basic Information for CVE-2026-48767
Vulnerability Information
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Vulnerability Title
Google Sheets OAuth access token disclosure to guest members via getAccessToken
Source: CVE Program / CVE List V5
Vulnerability Description
TypeBot is a chatbot builder tool. Versions prior to 3.17.0 allow a low-privilege guest member of a workspace to obtain a live Google Sheets OAuth access token for that workspace by calling the Google Sheets helper `getAccessToken`. The vulnerable path checks only whether the caller has read access to the workspace, decrypts the stored Google OAuth credential, refreshes or retrieves the access token through the Google client, and returns the raw bearer token directly to the caller. Because guest members can also enumerate credential identifiers, a guest can mint and reuse the workspace's Google access token outside Typebot. Version 3.17.0 patches the issue.
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:L
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Baptiste Arnaud Typebot 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Baptiste Arnaud Typebot是Baptiste Arnaud个人开发者的一个可视化聊天机器人构建平台。 Baptiste Arnaud Typebot 3.17.0之前版本存在信息泄露漏洞，该漏洞源于工作区低权限访客成员可通过调用Google Sheets辅助函数getAccessToken获取该工作区的实时Google Sheets OAuth访问令牌，仅检查读权限便解密存储的Google OAuth凭据并直接返回原始Bearer令牌，可能导致信息泄露。
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 | < 3.17.0 | - |
|
II. Public POCs for CVE-2026-48767
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2026-48767 (1)
Vendor Advisories for CVE-2026-48767 (1)
Vendor Pages for CVE-2026-48767 (1)
Same Patch Batch · baptisteArno · 2026-08-11 · 12 CVEs total
| CVE-2026-48765 | 9.9 CRITICAL | TypeBot vulnerable to cross-workspace OAuth credential takeover in updateOAuthCredentials |
| CVE-2026-47705 | 9.6 CRITICAL | TypeBot vulnerable to CSV injection in result export |
| CVE-2026-47702 | 9.1 CRITICAL | TypeBot API tokens stored in plaintext |
| CVE-2026-48763 | 8.2 HIGH | TypeBot has Arbitrary S3 Object Write in deprecated public upload endpoint via attacker-co |
| CVE-2026-48766 | 7.6 HIGH | TypeBot vulnerable to OpenAI API key exfiltration in listModels via attacker-controlled ba |
| CVE-2026-42142 | 7.1 HIGH | TypeBot has Authorization Bypass in Google Sheets `getSheets` Endpoint that Allows Cross-W |
| CVE-2026-48495 | 7.1 HIGH | TypeBot Google Sheets OAuth callback can create credentials in unauthorized workspaces and |
| CVE-2026-47704 | 7.1 HIGH | TypeBot vulnerable to cross-typebot webhook resume via unchecked `resultId` lineage allows |
| CVE-2026-48494 | 7.1 HIGH | TypeBot vulnerable to cross-typebot WhatsApp preview webhook resume via global `wa-preview |
| CVE-2026-48483 | 5.4 MEDIUM | TypeBot's WhatsApp status forwarding uses unvalidated user-controlled URLs, allowing SSRF |
| CVE-2026-48762 | 5.4 MEDIUM | TypeBot Vulnerable to Server-Side Request Forgery (SSRF) in OpenAI Transcription Handler |
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