CVE-2026-55399 Resource exhaustion vulnerability in the Secure Access publisher

Medium 5.1 Published Updated

Authenticated attackers can cause a non-persistent denial of service against the Secure Access publisher by exhausting resources.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-55399?

CVE-2026-55399 is a medium-severity denial of service vulnerability in Absolute Secure Access, published on 15 Jul 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

CVE-2026-55399 is a resource exhaustion vulnerability in the Secure Access publisher prior to 14.55. Attackers with valid credentials to the Secure Access tunnel can create a non-persistent DoS against the publisher.

Weakness: CWE-400

Which versions are affected by CVE-2026-55399?

It affects 1 product.

Products include Absolute Secure Access.

How do I fix CVE-2026-55399?

No fix has been published for CVE-2026-55399 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2026-55399 being exploited?

There is no known exploitation of CVE-2026-55399 in the wild and no public exploit code.

All Absolute Secure Access vulnerabilities

Sources

Also known as GHSA-6659-73gf-7pwg.

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