Absolute Security Secure Access up to 14.56 Load Balancing Sub-System null pointer dereference

Summaryinfo

A vulnerability labeled as critical has been found in Absolute Security Secure Access up to 14.56. Impacted is an unknown function of the component Load Balancing Sub-System. The manipulation results in null pointer dereference. This vulnerability was named CVE-2026-55401. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as critical, was found in Absolute Security Secure Access up to 14.56. Affected is an unknown part of the component Load Balancing Sub-System. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. CVE summarizes:

CVE-2026-55401 is a null dereference vulnerability on the load-balancing sub-system of Secure Access servers prior to 14.57. Attackers can send an unauthenticated packet to a Secure Access server with load balancing enabled, which results in the internal load balancer crashing. After a successful attack, the Secure Access server is still able to accept connections and is still able to issue a failover to connected clients. ‍ https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L

The advisory is available at absolute.com. This vulnerability is traded as CVE-2026-55401 since 06/16/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.

Upgrading to version 14.57 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• Absolute Security

Name

• Secure Access

Version

• 14.0
• 14.1
• 14.2
• 14.3
• 14.4
• 14.5
• 14.6
• 14.7
• 14.8
• 14.9
• 14.10
• 14.11
• 14.12
• 14.13
• 14.14
• 14.15
• 14.16
• 14.17
• 14.18
• 14.19
• 14.20
• 14.21
• 14.22
• 14.23
• 14.24
• 14.25
• 14.26
• 14.27
• 14.28
• 14.29
• 14.30
• 14.31
• 14.32
• 14.33
• 14.34
• 14.35
• 14.36
• 14.37
• 14.38
• 14.39
• 14.40
• 14.41
• 14.42
• 14.43
• 14.44
• 14.45
• 14.46
• 14.47
• 14.48
• 14.49
• 14.50
• 14.51
• 14.52
• 14.53
• 14.54
• 14.55
• 14.56

CPE 2.3info

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CPE 2.2info

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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