CVE-2026-0234

criticalpriority · track · 36EPSS 0.002 · 14 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.23% (14th) EPSS

CVSS 9.1 · critical

Is it mine?

7 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-28

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.

cvss

Technical severity, 0–10. One row per scoring source.

9.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.2–9.1

v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 5.2

v3.18.1highAV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v4.07.2highCVSS: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:Redsecondary · ENISA EU

v4.07.2highCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:U/V:D/RE:M/U:Redsecondary · psirt@paloaltonetworks.com

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-347USCWE-347US

affected products (7)

Products and version ranges known to be affected.

Palo Alto Networks Cortex XSOAR Microsoft Teams Marketplace <1.5.52all versionscert_bundDE
Palo Alto Networks Cortex XSOAR≤ Microsoft Teams Marketplace <1.5.52cert_bundDE
Palo Alto Networks Cortex XSIAM Microsoft Teams Marketplace1.5.0 → 1.5.52enisa_euvdEU
Palo Alto Networks Cortex XSOAR Microsoft Teams Marketplace1.5.0 → 1.5.52enisa_euvdEU
Palo Alto Networks Inc. Microsoft Teams≤ 1.5.52fstec_bduRU
paloaltonetworks cortex xsiam1.5.0 → 1.5.52nvdUScpe:2.3:a:paloaltonetworks:cortex_xsiam:*:*:*:*:*:*:*:*
paloaltonetworks cortex xsoar1.5.0 → 1.5.52nvdUScpe:2.3:a:paloaltonetworks:cortex_xsoar:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-1017Palo Alto Networks Cortex XSOAR (Microsoft Teams Marketplace): Schwachstelle ermöglicht Umgehen von SicherheitsvorkehrungenDeutsch2026-04-08csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Palo Alto Networks Cortex XSOAR ausnutzen, um Sicherheitsvorkehrungen zu umgehen, auf geschützte Ressourcen zuzugreifen und Daten zu manipulieren.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd NVD CVE.org MITRE

published 2026-04-13modified 2026-10-26

references (3)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan