Low severity · published Jul 15, 2026
CVE-2026-55398
Memory management vulnerability in Secure Access clients
3.7
CVSS
0.4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 29% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SA
Secure Access · Absolute Security
before 14.55 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-55398
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-55398
Vendor Advisory
https://www.absolute.com/platform/security-information/vulnerability-archive/cve-2026-55398
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