CVE-2026-0518Network attack vector

Cross-administrator console interference via undisclosed XSS sink

Published Jan 17, 2026 · Updated Jan 17, 2026

Cross-site scripting in Absolute Secure Access Server before 14.20 allows remote authenticated users to disrupt another administrator's console session. Absolute has not disclosed which console input reaches an unsafe HTML-generation sink or how the server fails to neutralize it. Administrative privileges and passive interaction by a second administrator are required; the published impact is limited to altering that administrator's console experience.

CVSS severity4.8
Medium
EPSS probability0.17%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in Absolute Secure Access Server before 14.20 allows remote authenticated users to disrupt another administrator's console session. Absolute has not disclosed which console input reaches an unsafe HTML-generation sink or how the server fails to neutralize it. Administrative privileges and passive interaction by a second administrator are required; the published impact is limited to altering that administrator's console experience.

The record

CVE
CVE-2026-0518
Published
Jan 17, 2026
Updated
Jan 17, 2026
Vendor
Absolute Security
Product
Absolute Secure Access
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jan 17, 2026CVE publishedPublication date reported by the CVE source.
  2. Jan 17, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <14.20

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Absolute Security · Absolute Secure Accessversion=0 <14.20

Published CVSS scores

4.8Absolute SecurityCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
4.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007Command and Scripting Interpreter: JavaScript/JScript

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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