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CVE-2026-14871 is a broken object-level authorization vulnerability in osTicket affecting versions 1.18.3 and 1.17.7. The flaw is present in the AJAX ticket-management subsystem, where server-side authorization checks on ticket-related object references are insufficient, resulting in an insecure direct object reference condition. An attacker who can interact with the vulnerable AJAX functionality may be able to reference ticket-related objects outside their authorized scope and perform unauthorized access or manipulation of those objects.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
Repository contains a simple Python proof-of-concept for CVE-2026-14871, a Broken Object Level Authorization / IDOR issue in osTicket's staff AJAX handler. Structure is minimal: README.md documents the vulnerability, impact, patch status, and disclosure timeline; exploit.py is the only code file and serves as the entry point. The script uses requests.Session to maintain authenticated state, first fetching /scp/login.php to scrape the __CSRFToken__ value, then posting credentials to authenticate as a low-privileged agent. After login, it sends GET requests to /scp/ajax.php/tickets/{ticket_id}/field/{field_id}/view and treats HTTP 200 as successful unauthorized access, printing extracted field contents after stripping HTML with BeautifulSoup. It also includes a helper to enumerate multiple field IDs for a chosen ticket. The exploit does not achieve code execution; its main capability is authenticated data disclosure and horizontal privilege escalation across department boundaries in vulnerable osTicket deployments. The PoC is operational but basic, with hardcoded lab values (localhost target, agent_a credentials, ticket/field IDs) and no stealth, threading, or generalized automation beyond simple enumeration.
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