A session fixation vulnerability has been identified in osTicket v1.18.2. This security flaw allows an attacker to hijack a victim's account by keeping the initial session identifier (OSTSESSID) active after a successful login. The issue lies in the fact that the application does not invalidate the pre-authentication cookie or generate a new identifier for the authenticated context. As a result, if an att [truncated]
CVE-2026-22200 is an arbitrary file read vulnerability in Enhancesoft osTicket. The vulnerability exists in versions 1.18.x prior to 1.18.3 and 1.17.x prior to 1.17.7. A remote attacker can exploit this vulnerability by submitting a crafted ticket containing rich-text HTML with PHP filter expressions. These expressions are insufficiently sanitized before being processed by the mPDF PDF generator during ex [truncated]
