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CVE-2026-0288 is a high-severity vulnerability affecting Palo Alto Networks PAN-OS in the User-ID Terminal Server Agent (TSA) component. The issue is caused by multiple buffer overflow flaws that can be triggered by sending specially crafted network traffic to the TSA service. According to the provided content, exploitation does not require authentication or user interaction on affected PAN-OS deployments and can lead to memory corruption. The vulnerability affects PAN-OS devices only when at least one Terminal Server Agent entry is configured under Device > User Identification > Terminal Server Agents. Panorama is not affected, and Cloud NGFW on AWS is not affected.
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No public exploit code observed for this vulnerability.
9 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
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Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.