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

Source: https://junglewise.ai/threats/cve-2026-55398-absolute-security-secure-access-memory-management-denial-of  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-15. Updated: 2026-07-15  
License: CC BY 4.0 with a link back

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](https://junglewise.ai/threats/technologies/secure-access). Vendors: [Absolute Security](https://junglewise.ai/threats/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

- [https://www.absolute.com/platform/security-information/vulnerability-archive/cve-2026-55398](https://www.absolute.com/platform/security-information/vulnerability-archive/cve-2026-55398)

## Related threats

- [Absolute Security Secure Access resource exhaustion in publisher](https://junglewise.ai/threats/cve-2026-55399-absolute-security-secure-access-resource-exhaustion-in-publisher)
- [Absolute Security Secure Access memory management DoS in server](https://junglewise.ai/threats/cve-2026-33445-absolute-security-secure-access-memory-management-dos-in-server)
- [Absolute Security Secure Access memory management DoS](https://junglewise.ai/threats/cve-2026-33444-absolute-security-secure-access-memory-management-dos)
- [Absolute Security Secure Access input validation error in client tunnel protocol](https://junglewise.ai/threats/cve-2026-40958-absolute-security-secure-access-input-validation-error-in-client)
- [Absolute Security Secure Access clickjacking in server login page](https://junglewise.ai/threats/cve-2026-40957-absolute-security-secure-access-clickjacking-in-server-login-page)