CVE-2026-21822

Medium CVSS 6.3

Published 2026-09-18 · last changed 2026-09-18

The fix

We hold no Microsoft remediation data for CVE-2026-21822, 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

HCLSoftware AppScan 360° was affected by a Path Traversal vulnerability in the ASReportService component. Improper handling of file paths allows an authenticated attacker to read or write files outside the intended directory, potentially enabling file system structure inspection or unauthorized file modification within the application's directory scope.

Sources

NVD record for CVE-2026-21822

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