CVE-2026-91774: Missing Authorization in YaoApp yao
YaoApp yao versions up to 1.0.0-rc22 have a missing authorization vulnerability in the GET /user/teams/:id endpoint. While authentication is required, any logged-in user can access full team records without verifying membership. This allows unauthorized users to read sensitive team data such as team name, description, owner information, and settings.
AI Analysis
Technical Summary
CVE-2026-91774 describes a missing authorization vulnerability in YaoApp yao through version 1.0.0-rc22. The application authenticates users but fails to enforce authorization on the GET /user/teams/:id endpoint. As a result, any authenticated user can supply a team identifier and retrieve complete team records without membership verification. This exposes sensitive information including team name, description, owner details, and configuration settings.
Potential Impact
The vulnerability allows any authenticated user to access sensitive team data for any team by specifying its identifier, bypassing intended access controls. This could lead to unauthorized disclosure of confidential team information, potentially impacting privacy and operational security.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict access to the affected endpoint where possible or implement additional access control checks at the application or network level.
CVE-2026-91774: Missing Authorization in YaoApp yao
Description
YaoApp yao versions up to 1.0.0-rc22 have a missing authorization vulnerability in the GET /user/teams/:id endpoint. While authentication is required, any logged-in user can access full team records without verifying membership. This allows unauthorized users to read sensitive team data such as team name, description, owner information, and settings.
CVSS v4.0
Score 5.3medium
Affected software
YaoApp
yao
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-91774 describes a missing authorization vulnerability in YaoApp yao through version 1.0.0-rc22. The application authenticates users but fails to enforce authorization on the GET /user/teams/:id endpoint. As a result, any authenticated user can supply a team identifier and retrieve complete team records without membership verification. This exposes sensitive information including team name, description, owner details, and configuration settings.
Potential Impact
The vulnerability allows any authenticated user to access sensitive team data for any team by specifying its identifier, bypassing intended access controls. This could lead to unauthorized disclosure of confidential team information, potentially impacting privacy and operational security.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict access to the affected endpoint where possible or implement additional access control checks at the application or network level.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-09-15T00:45:13.460Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6aa8a72855bf5e2cf5fa7f80
Added to database: 09/15/2026, 02:02:16 UTC
Last enriched: 09/15/2026, 02:16:33 UTC
Last updated: 09/15/2026, 07:13:04 UTC
Views: 15
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