Buffer overflow in Absolute Secure_access

CVE-2026-55398

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.

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-55398?
CVE-2026-55398 is a low-severity vulnerability in Absolute Secure_access, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 3.7/10. Published 2026-07-15.
How severe is CVE-2026-55398?
Low severity. CVSS v3 base score is 3.7 out of 10.