Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-0234— Cortex XSOAR: Improper Verification of Cryptographic Signature in Microsoft Teams integration

Quick assessment

Affected
Palo Alto Networks Cortex XSOAR Microsoft Teams Marketplace
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.

Palo Alto Networks Cortex XSOAR是美国Palo Alto Networks公司的一个应用软件。提供安全编排，自动化和响应平台，带有威胁情报管理和内置市场。 Palo Alto Networks Cortex XSOAR Microsoft Teams Marketplace和Cortex XSIAM Microsoft Teams Marketplace存在安全漏洞，该漏洞源于Microsoft Teams集成时加密签名验证不当，可能导致未经身份验证的用户访问和修改受保护资源

AI Predicted 9.1 Difficulty: Easy EPSS 0.23% · P14

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-0234

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
Cortex XSOAR: Improper Verification of Cryptographic Signature in Microsoft Teams integration
Source: CVE Program / CVE List V5
Vulnerability Description
An improper verification of cryptographic signature vulnerability exists in Cortex XSOAR and Cortex XSIAM platforms during integration of Microsoft Teams that enables an unauthenticated user to access and modify protected resources.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Red
Source: CVE Program / CVE List V5
Vulnerability Type
密码学签名的验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Palo Alto Networks Cortex XSOAR 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Palo Alto Networks Cortex XSOAR是美国Palo Alto Networks公司的一个应用软件。提供安全编排，自动化和响应平台，带有威胁情报管理和内置市场。 Palo Alto Networks Cortex XSOAR Microsoft Teams Marketplace和Cortex XSIAM Microsoft Teams Marketplace存在安全漏洞，该漏洞源于Microsoft Teams集成时加密签名验证不当，可能导致未经身份验证的用户访问和修改受保护资源
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
Palo Alto Networks Cortex XSOAR Microsoft Teams Marketplace 1.5.0 ~ 1.5.52 -
Palo Alto Networks Cortex XSIAM Microsoft Teams Marketplace 1.5.0 ~ 1.5.52 -

II. Public POCs for CVE-2026-0234

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-0234

请登录查看更多情报信息。

Same Patch Batch · Palo Alto Networks · 2026-04-13 · 3 CVEs total

CVE-2026-0232 Cortex XDR Agent: Local Administrator can disable the agent on Windows
CVE-2026-0233 Autonomous Digital Experience Manager: Improper validation of ADEM certificate

IV. Related Vulnerabilities

Same vendor: Palo Alto Networks
Same weakness: CWE-347

V. Comments for CVE-2026-0234

No comments yet

Leave a comment