← CVE catalog

CVE-2019-5418

High CVSS 7.5 Known exploited

Published 2019-03-27 · last changed 2026-06-17 · added to CISA KEV 2025-07-07

This one is being exploited in the wild.

CISA added CVE-2019-5418 to the Known Exploited Vulnerabilities catalog on 2025-07-07. Federal agencies are required to remediate it on a deadline. If you have affected machines, this is the class of finding that moves ahead of the rest of the queue.

The fix

We hold no Microsoft remediation data for CVE-2019-5418, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

There is a File Content Disclosure vulnerability in Action View <5.2.2.1, <5.1.6.2, <5.0.7.2, <4.2.11.1 and v3 where specially crafted accept headers can cause contents of arbitrary files on the target system's filesystem to be exposed.

Sources

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N