Threats Tagged 'rce vulnerability'
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Threats Tagged 'rce vulnerability'
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AlienVault OTX General · 10/17/2026, 01:06:08 UTC 0 CVE-2026-88771 is a critical remote code execution vulnerability disclosed by Citrix affecting NetScaler Application Delivery Controller and NetScaler Gateway. It allows unauthenticated attackers to execute arbitrary commands without requiring optional features. Exploitation involves a staged chain using access-log poisoning with Base64-encoded payloads in HTTP User-Agent headers and authentication log poisoning with forged PPE failure messages. A vulnerable Perl diagnostic script executes these commands with elevated privileges. Observed malicious activities include web shell deployment, enabling PHP, and delivery of FreeBSD implants. The vulnerability has been confirmed exploited worldwide and added to CISA's Known Exploited Vulnerabilities catalog. No patch or remediation details are provided in the available data. Join the discussion | AlienVault OTX General | 10/17/2026, 01:06:08 UTC Added: 10/24/2026, 08:19:23 UTC |
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