CVE-2026-48495

Published: Ago 11, 2026 Last Modified: Ago 11, 2026

ExploitDB:

Other exploit source:

Google Dorks:

HIGH 7,1

Source: [email protected]

Attack Vector: network

Attack Complexity: low

Privileges Required: low

User Interaction: none

Scope: unchanged

Confidentiality: low

Integrity: high

Availability: none

Description

AI Translation Available

TypeBot is a chatbot builder tool. Prior to version 3.17.0, the Google Sheets OAuth callback decodes a base64-encoded JSON `state` parameter and trusts the embedded `workspaceId`, `typebotId`, `blockId`, and `redirectUrl` without cryptographic integrity protection or authorization checks. The callback route is authenticated, but it does not verify that the authenticated user has write access to the target workspace or Typebot before creating credentials in the workspace or updating Typebot groups. An authenticated user who can obtain a valid Google OAuth `code` can alter the `state` value to create Google Sheets credentials in another workspace and, if target IDs are known, attach those credentials to a block in another Typebot. Version 3.17.0 patches the issue.

862

Missing Authorization

Incomplete

Abstraction: Class Structure: Simple

Common Consequences

Security Scopes Affected:

Confidentiality Integrity Access Control Availability

Potential Impacts:

Read Application Data Read Files Or Directories Modify Application Data Modify Files Or Directories Gain Privileges Or Assume Identity Bypass Protection Mechanism Dos: Crash, Exit, Or Restart Dos: Resource Consumption (Cpu) Dos: Resource Consumption (Memory) Dos: Resource Consumption (Other)