Cortex XSOAR: Improper Verification of Cryptographic Signature in Microsoft Teams integration
Priority LOW 33CWE-347Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Attack requirements
- Present
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-347.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00231 14th percentileScored 2026-11-07
Fix Fixed Cortex XSOAR Microsoft Teams Marketplace (Palo Alto Networks): 1.5.52Cortex XSIAM Microsoft Teams Marketplace (Palo Alto Networks): 1.5.52
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Palo Alto Networks | Cortex XSOAR Microsoft Teams Marketplace | 1.5.0 to before 1.5.52 | 1.5.52 | Patch available | CNA |
| Palo Alto Networks | Cortex XSIAM Microsoft Teams Marketplace | 1.5.0 to before 1.5.52 | 1.5.52 | Patch available | CNA |
- Cortex XSOAR Microsoft Teams Marketplace VendorPalo Alto Networks Affected 1.5.0 to before 1.5.52 Fixed in 1.5.52 Patch available CNA
- Cortex XSIAM Microsoft Teams Marketplace VendorPalo Alto Networks Affected 1.5.0 to before 1.5.52 Fixed in 1.5.52 Patch available CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:paloaltonetworks:cortex_xsiam:*:*:*:*:*:*:*:* | 1.5.0 to before 1.5.52 | Vulnerable | CyberArk Software, a Palo Alto Networks Company |
| cpe:2.3:a:paloaltonetworks:cortex_xsoar:*:*:*:*:*:*:*:* | 1.5.0 to before 1.5.52 | Vulnerable | CyberArk Software, a Palo Alto Networks Company |
- cpe:2.3:a:paloaltonetworks:cortex_xsiam:*:*:*:*:*:*:*:* Versions 1.5.0 to before 1.5.52 Vulnerable ·CyberArk Software, a Palo Alto Networks Company
- cpe:2.3:a:paloaltonetworks:cortex_xsoar:*:*:*:*:*:*:*:* Versions 1.5.0 to before 1.5.52 Vulnerable ·CyberArk Software, a Palo Alto Networks Company
Remediation
- Fix · CNA Cortex XSOAR Microsoft Teams Marketplace (Palo Alto Networks) Fixed in 1.5.52
- Fix · CNA Cortex XSIAM Microsoft Teams Marketplace (Palo Alto Networks) Fixed in 1.5.52
Timeline
- 2026-10-02 Threatist record created from CVE-2026-0234
- 2026-10-03 Alias added: GHSA-w48x-mvpf-jfc3
References
More Palo Alto Networks vulnerabilities
- TI-2024-08782 Expedition: Unauthenticated OS Command Injection Vulnerability Leads to Firewall Credential Disclosure KEVCVSS 4.0CRITICAL 9.9
- TI-2024-03172 PAN-OS: Arbitrary File Creation Leads to OS Command Injection Vulnerability in GlobalProtect KEVCVSS 3.1CRITICAL 10.0
- TI-2020-01936 PAN-OS: Authentication Bypass in SAML Authentication KEVCVSS 3.1CRITICAL 10.0
- TI-2017-11675 Palo Alto Networks PAN-OS before 6.1.19, 7.0.x before 7.0.19, 7.1.x before 7.1.14, and… KEVCVSS 3.1CRITICAL 9.8
- TI-2026-00239 PAN-OS: Unauthenticated user initiated Buffer Overflow Vulnerability in User-ID™ Authentication Portal KEVCVSS 4.0CRITICAL 9.3
- TI-2024-08784 Expedition: SQL Injection Leads to Firewall Admin Credential Disclosure KEVCVSS 4.0CRITICAL 9.2
Sources
- CVE-2026-0234 · CVE Program
- CVE-2026-0234 · NVD
- FIRST EPSS
- GHSA-w48x-mvpf-jfc3 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences