CVE-2026-0518 XSS in Secure Access Consoles prior to 14.20
An administrator can inject scripts to interfere with another administrator's use of the Secure Access console.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-0518?
CVE-2026-0518 is a medium-severity cross-site scripting vulnerability in Absolute Secure Access, published on 17 Jan 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
CVE-2026-0518 is a cross-site scripting vulnerability in versions of Secure Access prior to 14.20. An attacker with administrative privileges can interfere with another administrator’s use of the console.
Weakness: CWE-79
Which versions are affected by CVE-2026-0518?
It affects 1 product.
Products include Absolute Secure Access.
How do I fix CVE-2026-0518?
No fix has been published for CVE-2026-0518 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-0518 being exploited?
There is no known exploitation of CVE-2026-0518 in the wild and no public exploit code.
Other vulnerabilities in Absolute Secure Access
- CVE-2026-55402 Denial of service in Secure Access
- CVE-2026-33445 Memory management vulnerability in Secure Access servers
- CVE-2025-49080 Memory management vulnerability in Absolute Secure Access server versions 9.0 to 13.54
- CVE-2026-40952 Privilge misconfiguration in Secure Access installers
- CVE-2026-33451 Arbitrary read/write vulnerability in Windows clients prior to 14.50
Sources
Also known as GHSA-jc22-fwx5-phhh.