CVE-2026-55398: Absolute Security Secure Access memory management denial of service

CVE-2026-55398 · Severity: info · CVSS 6.9 · Published 2026-07-15

Absolute Security Secure Access, a solution used to provide secure remote connectivity for mobile workforces, is affected by a memory management flaw. An attacker with deep technical knowledge of the communication protocol could exploit this to temporarily crash the server. This would result in a denial-of-service, preventing legitimate users from connecting to corporate resources until the service is restored.

Technologies: Absolute Security Secure Access. Vendors: Absolute Security.

Quick answers

Is CVE-2026-55398 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-55398 being exploited in the wild.
How severe is CVE-2026-55398?
Informational severity, with a CVSS score of 6.9, published 15 July 2026.
Which products and versions are affected?
Absolute Security Secure Access prior to 14.55.
Is there a fix for CVE-2026-55398?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-55398 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2026-55398?
Check whether you run Absolute Security Secure Access at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

A memory management vulnerability exists in Absolute Security (formerly NetMotion) Secure Access clients and servers prior to version 14.55. The flaw is located within the handling of the tunnel protocol. A remote attacker with intimate knowledge of and control over the tunnel protocol can trigger the vulnerability to cause a non-persistent denial-of-service (DoS) against the server. The vendor has assigned a CVSS 4.0 score of 6.9, noting that while the attack vector is network-based, it requires specific protocol manipulation. The issue is resolved in version 14.55.

Affected products

  • Absolute Security (NetMotion) Secure Access prior to 14.55

Timeline

  • 2026-07-15: advisory
  • 2026-07-15: disclosed

References

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