CVE-2026-21822 A path traversal vulnerability has been identified in HCL AppScan 360° (CVE-2026-21822).
An authenticated attacker can read or write files outside the intended directory in HCL AppScan 360° via path traversal.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-21822?
CVE-2026-21822 is a medium-severity path traversal vulnerability in HCL AppScan 360°, published on 18 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-22
Which versions are affected by CVE-2026-21822?
How do I fix CVE-2026-21822?
No fix has been published for CVE-2026-21822 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-21822 being exploited?
There is no known exploitation of CVE-2026-21822 in the wild and no public exploit code.
Sources
Also known as GHSA-g8rr-pmrr-phx9.