CVE-2026-0266

mediumpriority · track · 19EPSS 0.001 · 3 %ileDEEUNLRUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.14% (3rd) EPSS
CVSS 4.8 · medium
Is it mine?
181 products
Check your exposure
Who says so?
7 sources
cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

A cross-site scripting (XSS) vulnerability in Palo Alto Networks PAN-OS® software enables a malicious authenticated administrator to store a JavaScript payload using the web interface. This issue is applicable to PAN-OS software on PA-Series and VM-Series firewalls and on Panorama (virtual and M-Series). Cloud NGFW and Prisma® Access are not affected by this vulnerability.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • FixedRUGGEDCOM APE1808siemens_psirt

    Contact customer support to receive patch and update information

  • FixedRUGGEDCOM APE1808cisa_csaf_ot

    Contact customer support to receive patch and update information

02

cvss

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

4.8
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 1.1–4.8

v3.14.8mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 1.7 · impact 2.7
v3.12.4lowCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:Nsecondary · CISA US
v3.12.4lowAV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:Nsecondary · FSTEC (BDU) RU
v3.14.8mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:Nsecondary · NCSC-NL NL
v3.12.4lowCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:Nsecondary · Siemens ProductCERT DE
v4.01.1lowCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Ambersecondary · ENISA EU
v4.01.1lowCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/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:Ambersecondary · CVSS-BT (t0sche)
v4.01.1lowCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/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:Ambersecondary · psirt@paloaltonetworks.com
03

ssvc

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

Trackcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USCWE-79USCWE-79USCWE-79USCWE-79US
05

affected products (181)

Products and version ranges known to be affected.

showing 20 of 181
06

advisories (4)

Vendor and ecosystem advisories describing this.

  • NCSC-2026-0229Kwetsbaarheden verholpen in Siemens productenNL2026-07-14csaf · ncsc_nlNL

    Siemens heeft kwetsbaarheden verholpen in diverse producten als CADRA, IAM, Mendix, OpCenter, RUGGEDCOM, SIDIS en SIMATIC.

  • SSA-104023SSA-104023: Multiple Vulnerabilities in Palo Alto Networks PAN-OS on RUGGEDCOM APE1808 Devices2026-07-14csaf · siemens_psirtDE

    Palo Alto Networks has published [1] information on vulnerabilities in PAN-OS. This advisory lists the related Siemens Industrial products affected by these vulnerabilities. Customers are advised to consult and implement the workarounds provided in Palo Alto Networks' upstream security notifications. [1] https://security.paloaltonetworks.com/

  • WID-SEC-W-2026-1874Palo Alto Networks PAN-OS: Mehrere SchwachstellenDeutsch2026-06-10csaf · cert_bundDE

    Ein Angreifer kann mehrere Schwachstellen in Palo Alto Networks PAN-OS ausnutzen, um einen Cross-Site Scripting Angriff durchzuführen, Administratorrechte zu erlangen, beliebigen Code als Root auszuführen oder einen Denial-of-Service-Zustand zu verursachen.

  • ICSA-26-202-02Siemens RUGGEDCOM APE1808 with Palo Alto Networks Virtual NGFW2026-07-14icsa · cisa_csaf_otUS

    Palo Alto Networks has published [1] information on vulnerabilities in PAN-OS. This advisory lists the related Siemens Industrial products affected by these vulnerabilities. Customers are advised to consult and implement the workarounds provided in Palo Alto Networks' upstream security notifications. [1] https://security.paloaltonetworks.com/

07

also known as (4)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bducert_bundcisa_csaf_otncsc_nlsiemens_psirtNVDCVE.orgMITRE
published 2026-06-10modified 2026-07-23
09

references (5)

External citations — patches, advisories, analysis.

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