What is CVE-2026-0518?

CVE-2026-0518 is a medium-severity vulnerability in Absolute Secure Access, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2026-01-17.

How severe is CVE-2026-0518?

Medium severity. CVSS v3 base score is 4.8 out of 10.

XSS in Absolute Secure Access

CVE-2026-0518

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.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-01-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (5.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 5.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.000

Affected products

Absolute Secure Access
Absolute Security Secure Access — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.absolute.com/platform/security-information/vulnerability-archive/cve-2026-0… (Vendor Advisory)

Frequently asked questions

What is CVE-2026-0518?: CVE-2026-0518 is a medium-severity vulnerability in Absolute Secure Access, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2026-01-17.
How severe is CVE-2026-0518?: Medium severity. CVSS v3 base score is 4.8 out of 10.