osTicket PDF PHP Filter File Read (CVE-2026-22200)

Horizon3: submits an open.php ticket whose rich-text message abuses mPDF list-style-image php://filter chains. Retrieve bytes from the ticket PDF extract BMP / use Horizon3 extractpdfimages.py. No framework session. !/usr/bin/env python3 -- coding: utf-8 -- """ CVE-2026-22200 — osTicket anonymous...

CVE-2026-22200

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. Blog Post Deep-dive here: Horizon3.ai - Ticket to Shell: Exploiting PHP...

CVE-2026-44298

Kimai is an open-source time tracking application. From version 2.32.0 to before version 2.56.0, users with the role System-Admin ROLESYSTEADMIN and the permission uploadinvoicetemplate can upload PDF invoice templates, which can call pdfContext.setOption'associatedfiles', ... inside the sandboxe...

Kimai has an arbitrary file read in its invoice PDF renderer (admin)

Summary Users with the role System-Admin ROLESYSTEADMIN and the permission uploadinvoicetemplate can upload PDF invoice templates, which can call pdfContext.setOption'associatedfiles', ... inside the sandboxed Twig render. This is forwarded to mPDF's SetAssociatedFiles, whose writer calls...

GHSA-H5FH-7HWR-97MW Kimai has an arbitrary file read in its invoice PDF renderer (admin)

Summary Users with the role System-Admin ROLESYSTEADMIN and the permission uploadinvoicetemplate can upload PDF invoice templates, which can call pdfContext.setOption'associatedfiles', ... inside the sandboxed Twig render. This is forwarded to mPDF's SetAssociatedFiles, whose writer calls...

CVE-2026-44298

Kimai is an open-source time tracking application. From version 2.32.0 to before version 2.56.0, users with the role System-Admin ROLESYSTEADMIN and the permission uploadinvoicetemplate can upload PDF invoice templates, which can call pdfContext.setOption'associatedfiles', ... inside the sandboxe...

PT-2026-38651

Name of the Vulnerable Software and Affected Versions Kimai versions 2.32.0 through 2.55.x Description Users with the System-Admin role ROLE SYSTE ADMIN and the upload invoice template permission can upload PDF invoice templates that execute pdfContext.setOption'associated files', ... within the...

PHP Remote File Inclusion

Overview mpdf/mpdf is a PHP library generating PDF files from UTF-8 encoded HTML. Affected versions of this package are vulnerable to PHP Remote File Inclusion via the annotation file parameters. An attacker can access arbitrary system files by supplying crafted annotation content containing file...

CVE-2022-50897

mPDF 7.0 contains a local file inclusion vulnerability that allows attackers to read arbitrary system files by manipulating annotation file parameters. Attackers can generate URL-encoded or base64 payloads to include local files through crafted annotation content with file path specifications...

CVE-2026-22200

Enhancesoft osTicket versions 1.18.x prior to 1.18.3 and 1.17.x prior to 1.17.7 contain an arbitrary file read vulnerability in the ticket PDF export functionality. A remote attacker can submit a ticket containing crafted rich-text HTML that includes PHP filter expressions which are insufficientl...

CVE-2022-50897 mPDF 7.0 - Local File Inclusion

mPDF 7.0 contains a local file inclusion vulnerability that allows attackers to read arbitrary system files by manipulating annotation file parameters. Attackers can generate URL-encoded or base64 payloads to include local files through crafted annotation content with file path specifications...

CVE-2022-50897 mPDF 7.0 - Local File Inclusion

mPDF 7.0 contains a local file inclusion vulnerability that allows attackers to read arbitrary system files by manipulating annotation file parameters. Attackers can generate URL-encoded or base64 payloads to include local files through crafted annotation content with file path specifications...

CVE-2022-50897

mPDF 7.0 is affected by a local file inclusion through crafted annotation file parameters, allowing reading arbitrary system files via URL-encoded or base64 payloads. Root cause: annotation content that specifies file paths enables LFI. Impact is high on confidentiality; no explicit exploit detai...

CVE-2022-50897 mPDF 7.0 - Local File Inclusion

mPDF 7.0 contains a local file inclusion vulnerability that allows attackers to read arbitrary system files by manipulating annotation file parameters. Attackers can generate URL-encoded or base64 payloads to include local files through crafted annotation content with file path specifications...

osTicket Arbitrary File Read via PHP Filter Chains in mPDF

This module exploits an arbitrary file read vulnerability in osTicket CVE-2026-22200. The vulnerability exists in osTicket's PDF export functionality which uses mPDF. By injecting a specially crafted HTML payload containing PHP filter chain URIs into a ticket reply, an attacker can read arbitrary...

CVE-2022-50897: Improper Control of Filename for Include/Require Statement in PHP Program

mPDF 7.0 contains a local file inclusion vulnerability that allows attackers to read arbitrary system files by manipulating annotation file parameters. Attackers can generate URL-encoded or base64 payloads to include local files through crafted annotation content with file path specifications...

mPDF security vulnerability

mPDF is mPDF open source a library written in PHP for the use of HTML to PDF file conversion . mPDF version 7.0 there is a security vulnerability , the vulnerability stems from the annotation file parameters exist in the local file contains a vulnerability , which may lead to read arbitrary syste...

PT-2026-2373

Name of the Vulnerable Software and Affected Versions mPDF versions 7.0 Description The software contains a local file inclusion issue that could allow attackers to read arbitrary system files. This is achieved by manipulating annotation file parameters, enabling the use of URL-encoded or base64...

CVE-2026-22200

Enhancesoft osTicket versions 1.18.x prior to 1.18.3 and 1.17.x prior to 1.17.7 contain an arbitrary file read vulnerability in the ticket PDF export functionality. A remote attacker can submit a ticket containing crafted rich-text HTML that includes PHP filter expressions which are insufficientl...

CVE-2026-22200: Improper Neutralization of Special Elements in Output Used by a Downstream Component

Enhancesoft osTicket versions 1.18.x prior to 1.18.3 and 1.17.x prior to 1.17.7 contain an arbitrary file read vulnerability in the ticket PDF export functionality. A remote attacker can submit a ticket containing crafted rich-text HTML that includes PHP filter expressions which are insufficientl...