Answer in brief
CVE-2026-0256 records a Medium severity (CVSS 4.4) 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.
CVSS is 4.4. 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.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:h:siemens:ruggedcom_ape1808:-:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:-:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:h1:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:h10:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:h11:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:h12:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:h13:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:h14:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:h17:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:h18:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:h2:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:h21:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:h27:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:h3:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:h30:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:h31:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:h4:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:h5:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:h6:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:h7:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:h8:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.13:-:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.13:h1:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.13:h10:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.13:h15:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.13:h16:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.13:h18:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.13:h2:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.13:h3:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.13:h4:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.13:h5:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.13:h7:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.16:-:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.16:h1:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.16:h4:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.16:h6:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.17:-:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.18:-:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.18:h1:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.18:h5:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:-:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h1:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h10:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h11:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h12:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h13:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h14:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h15:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h16:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h17:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h18:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h19:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h2:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h20:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h21:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h22:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h23:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h24:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h3:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h32:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h4:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h5:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h6:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h7:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h8:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h9:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.10:-:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.10:h1:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.10:h10:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.10:h12:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.10:h21:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.10:h4:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.10:h5:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.10:h7:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.10:h9:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.13:-:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.13:h1:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.13:h2:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.13:h3:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.14:-:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:-:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h1:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h10:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h11:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h12:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h13:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h15:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h16:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h17:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h18:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h2:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h25:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h27:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h3:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h32:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h4:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h5:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h6:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h7:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h8:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h9:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:-:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h1:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h10:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h14:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h17:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h18:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h19:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h2:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h20:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h21:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h22:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h23:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h25:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h29:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h3:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h4:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h5:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h6:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h7:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.7:-:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.7:h1:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.7:h2:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.1.7:h4:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.2.10:-:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.2.10:h1:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.2.10:h2:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.2.10:h3:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.2.10:h4:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.2.10:h5:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.2.11:-:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.2.4:-:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.2.4:h1:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.2.4:h10:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.2.4:h11:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.2.4:h12:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.2.4:h14:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.2.4:h15:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.2.4:h2:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.2.4:h3:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.2.4:h4:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.2.4:h5:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.2.4:h6:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.2.4:h7:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.2.4:h8:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.2.4:h9:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.2.7:-:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.2.7:h1:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.2.7:h10:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.2.7:h11:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.2.7:h12:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.2.7:h2:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.2.7:h3:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.2.7:h4:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.2.7:h7:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:11.2.7:h8:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:12.1.4:-:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:12.1.4:h2:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:paloaltonetworks:pan-os:12.1.4:h3:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:siemens:ruggedcom_ape1808_firmware:-:*:*:*:*:*:*:* | Not reported | Not reported |
| 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
Oct 26, 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.