CVE-2026-55398 PUBLISHED

Memory management vulnerability in Secure Access clients

Assigner: Absolute
Reserved: 16.06.2026 Published: 15.07.2026 Updated: 16.07.2026

CVE-2026-55398 is a memory management vulnerability in Secure Access clients and servers prior to 14.55. Attackers with intimate knowledge of and total control over the tunnel protocol can create a non-persistent DoS against the server.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
CVSS Score: 6.9

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	Low	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	Absolute Security
Product	Secure Access
Versions	Default: unaffected affected from 0 to 14.55 (excl.)

References

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