ZDF
Sign inSign up

Vulnerabilities

Vulnerability · 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.

Published Jan 12, 2026 · catalog updated Jul 14, 2026 · Enhancesoft osTicket

Last checked Nov 7, 2026. A connected source was read within the last 7 days.

Check this week

CVE-2026-22200 is not in CISA KEV. FIRST estimates a 73.59% chance of exploitation in the next 30 days. Check whether you run Enhancesoft osTicket.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.7
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
73.59%
Remediation
Version ranges on file
Affected products
vendor Enhancesoft osTicket 1.17.0 <1.17.7

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 insufficiently sanitized before being processed by the mPDF PDF generator during export. When the attacker exports the ticket to PDF, the generated PDF can embed the contents of attacker-selected files from the server filesystem as bitmap images, allowing disclosure of sensitive local files in the context of the os

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Enhancesoft osTicket 1.17.0 <1.17.71.17.0 <1.17.7

How to fix CVE-2026-22200

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2026-22200 is not in CISA KEV. FIRST estimates a 73.59% chance of exploitation in the next 30 days. Check whether you run Enhancesoft osTicket.

Which versions are affected?

Compare what you have installed with Enhancesoft osTicket 1.17.0 <1.17.7 1.17.0 <1.17.7. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 73.59%. There is no CISA KEV listing. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 12, 2026 · EUVD

    Detected

    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 insufficiently sanitized before being processed by the mPDF PDF generator during export. When the attacker exports t

  2. Jul 14, 2026 · EUVD

    Updated

    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 insufficiently sanitized before being processed by the mPDF PDF generator during export. When the attacker exports t

Sources

  • CVE.orgVulnerability recordCVE-2026-22200

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-22200

    30-day exploitation probability 73.59%

    first.org
  • EUVDVulnerability recordEUVD-2026-1918

    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

    euvd.enisa.europa.eu
  • Metasploit ModulesPublic exploit moduleauxiliary_gather/osticket_arbitrary_file_read

    Public module reference (normal). Module source is not copied into this catalog.

    rapid7.com
  • urlscan.ioThreat intelligenceCVE-2026-22200
    urlscan.io

References

Freshness

Last verified in this catalog Nov 7, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • urlscan.ioNov 7, 2026
  • FIRST EPSSNov 7, 2026
  • Metasploit ModulesNov 7, 2026
  • CVE.orgOct 29, 2026
  • EUVDOct 29, 2026