[NEW] [high] Palo Alto Networks PAN-OS: Multiple vulnerabilities
An attacker can exploit multiple vulnerabilities in Palo Alto Networks PAN-OS to perform a Cross-Site Scripting attack, execute arbitrary code, bypass security measures, manipulate data, disclose confidential information, or trigger a Denial-of-Service condition.
CSIRTS triage
- What
- Multiple vulnerabilities can be exploited to perform Cross-Site Scripting, execute arbitrary code, and cause Denial-of-Service conditions.
- Who is affected
- Users of Palo Alto Networks PAN-OS are affected.
- Urgency
- Remediation is urgent due to the high severity and potential for exploitation.
- Action
- Update to the latest version of PAN-OS.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2261
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-02790.34% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 27% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-02800.19% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 9% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-02810.17% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 7% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-02820.18% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 7% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-02830.21% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 12% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-02840.28% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 21% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-02850.23% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 14% of all EPSS-scored CVEs.
- Moderate exploitation riskCVE-2026-02861.2% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 64% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-02870.32% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 25% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-02880.96% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 58% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-0279 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-0280 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-0281 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-0282 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-0283 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-0284 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-0285 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-0286 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-0287 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-0288 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- unknownNCSC-2026-0227 [1.00] [M/H] Vulnerabilities fixed in Palo Alto Networks PAN-OSncsc-nl
- highCVE-2026-0287: Multiple denial of service vulnerabilities in Palo Alto Networks PAN-OS® software allow an unau…nvd
- highCVE-2026-0286: A command injection vulnerability in the management plane of Palo Alto Networks PAN-OS® softwar…nvd
- mediumCVE-2026-0285: A server-side request forgery (SSRF) vulnerability in Palo Alto Networks PAN-OS software enable…nvd
- criticalCVE-2026-0284: An XML injection vulnerability in the Large Scale VPN (LSVPN) functionality of Palo Alto Networ…nvd
- highCVE-2026-0283: An authentication bypass vulnerability in Large Scale VPN ( LSVPN) functionality of Palo Alto N…nvd
- mediumCVE-2026-0282: A file deletion vulnerability in Palo Alto Networks PAN-OS® software enables an unauthenticated…nvd
- highCVE-2026-0281: An information disclosure vulnerability in Palo Alto Networks PAN-OS® software enables an unaut…nvd
- highCVE-2026-0280: An IPv6 packet processing vulnerability in the dataplane of Palo Alto Networks PAN-OS® software…nvd
- mediumCVE-2026-0279: Multiple cross site scripting vulnerabilities in the User-ID™ Authentication Portal (aka Captiv…nvd
- unknownPalo Alto Products Multiple Vulnerabilitieshkcert
- unknownMultiple vulnerabilities in Palo Alto Networks products (July 09, 2026)cert-fr-avis
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