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CVE-2026-22200 — CVE-2026-22200: Arbitrary file read + CNEXT RCE in osTicket | Kitploit
Tools/GitHubGitHub/horizon3ai/cve-2026-22200
Payload GenerationVulnerability AnalysisExploitationWeb Application ExploitationPenetration TestingBinary Exploitation
GitHubhorizon3ai/cve-2026-22200

CVE-2026-22200

CVE-2026-22200: Arbitrary file read + CNEXT RCE in osTicket

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10127 months agoNot yet reviewed

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CVE-2026-22200: osTicket PDF File Read + CNEXT RCE

Proof of concept exploit for osTicket CVE-2026-22200 which abuses PHP filters to exfiltrate files through the mPDF library and can be chained to RCE via CVE-2024-2961 (CNEXT).

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Deep-dive here: Horizon3.ai - Ticket to Shell: Exploiting PHP Filters and CNEXT in osTicket (CVE-2026-22200)

Follow the Horizon3.ai Attack Team on Twitter for the latest security research:

  • Horizon3 Attack Team
  • James Horseman
  • Zach Hanley

Disclaimer

This software has been created purely for the purposes of academic research and for the development of effective defensive techniques, and is not intended to be used to attack systems except where explicitly authorized. Project maintainers are not responsible or liable for misuse of the software. Use responsibly.

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