CVE-2026-91774— Yao through v1.0.0-rc22 Missing Authorization via OpenAPI team endpoint
Quick assessment
Affected
YaoApp yao
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.
Yao 在 v1.0.0-rc22 及更早版本中，虽然实现了身份认证，但未能对 端点进行授权控制，导致任何已登录的用户都可以读取完整的团队记录。攻击者可以通过提供已知的团队标识符，获取敏感的团队数据（包括名称、描述、所有者信息和设置），而无需验证其是否为该团队的成员。
Possible ATT&CK Techniques 3 AI
T1041 · Exfiltration Over C2 Channel T1531 · Account Access Removal T1079.004
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2026-91774
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Yao through v1.0.0-rc22 Missing Authorization via OpenAPI team endpoint
Source: CVE Program / CVE List V5
Vulnerability Description
Yao through v1.0.0-rc22 authenticates but fails to authorize the GET /user/teams/:id endpoint, allowing any logged-in user to read full team records. Attackers can supply a known team identifier to retrieve sensitive team data including name, description, owner information, and settings without membership verification.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-91774
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-91774
请登录查看更多情报信息。
Vendor Advisories for CVE-2026-91774 (1)
Security Blog Posts for CVE-2026-91774 (1)
Other References for CVE-2026-91774 (2)
IV. Related Vulnerabilities
Same weakness: CWE-862
-
CVE-2026-91924
pgweb through 0.17.0 Missing Authorization on Direct Connect -
CVE-2026-52828
Kimai: ExportTemplate CRUD Missing Authorization Check Allow -
CVE-2026-91846
MISP Collection Element Add Missing Authorization on Referen -
CVE-2026-91825
MISP: Missing Authorization Check for Event Sharing Group Wh -
CVE-2026-77191
All of the CVEs covered in this advisory apply to affected p
V. Comments for CVE-2026-91774
No comments yet