CVE-2018-19143 Missing authorization in n/a

What is CVE-2018-19143?

CVE-2018-19143 is a medium-severity missing authorization vulnerability in Debian Debian Linux, published on 11 Nov 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Open Ticket Request System (OTRS) 4.0.x before 4.0.33, 5.0.x before 5.0.31, and 6.0.x before 6.0.13 allows an authenticated user to delete files via a modified submission form because upload caching is mishandled.

Weakness: CWE-425

Which versions are affected by CVE-2018-19143?

It affects 2 products.

Products include Debian Debian Linux, Otrs Open Ticket Request System.

How do I fix CVE-2018-19143?

Upgrade to a fixed version.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2018-19143 being exploited?

There is no known exploitation of CVE-2018-19143 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2018-19143, GHSA-xm8f-ghm9-8g26, UBUNTU-CVE-2018-19143.