Answer in brief
CVE-2026-0256 records a Unknown severity vulnerability in PAN-OS: Stored Cross-Site Scripting (XSS) Vulnerability in the Web Interface. The current sources do not mark it as known exploited. The current feed maps Palo Alto Networks/PAN-OS (generic), Siemens/RUGGEDCOM APE1808 (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Palo Alto Networks/PAN-OS (generic), Siemens/RUGGEDCOM APE1808 (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Palo Alto Networks/PAN-OSgeneric | >=12.1.0 <12.1.7 || >=11.2.0 <11.2.12 || >=11.1.0 <11.1.15 || >=10.2.0 <10.2.18-h6 | 12.1.7, 11.2.12, 11.1.15, 10.2.18-h6 |
| Siemens/RUGGEDCOM APE1808generic | >=0 <* | * |
Published upstream
May 13, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 14, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 6, 2026
A stored 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 impacted by this vulnerability.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-0256 records a Unknown severity vulnerability in PAN-OS: Stored Cross-Site Scripting (XSS) Vulnerability in the Web Interface. The current sources do not mark it as known exploited. The current feed maps Palo Alto Networks/PAN-OS (generic), Siemens/RUGGEDCOM APE1808 (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Palo Alto Networks/PAN-OS (generic), Siemens/RUGGEDCOM APE1808 (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Palo Alto Networks/PAN-OSgeneric | >=12.1.0 <12.1.7 || >=11.2.0 <11.2.12 || >=11.1.0 <11.1.15 || >=10.2.0 <10.2.18-h6 | 12.1.7, 11.2.12, 11.1.15, 10.2.18-h6 |
| Siemens/RUGGEDCOM APE1808generic | >=0 <* | * |
Published upstream
May 13, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 14, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 6, 2026
A stored 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 impacted by this vulnerability.
Quoted source text, attributed separately from HOL analysis.