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    CVE-2026-55400

    CVE-2026-55400 is an integer underflow in Secure Access servers prior to version 14.57. Attackers with an authenticated session can send specially crafted traffic to a server in a non-default configuration and cause a persistent denial of service.

    Published:Aug 13, 2026
    Last Modified:Sep 4, 2026
    EPS:Aug 13, 2026
    EPSS Score:0.00228
    CVSS Score:6.5

    Affected Products

    Vendor
    Absolute
    Product
    Secure Access

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-190 Integer Overflow or Wraparound

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

    Related CVEs

    CVE-2026-55402 (CVSS 8.7) — CVE-2026-55402 is an out of bounds read vulnerability in Secure Access servers prior to version 14.57. Attack…
    CVE-2026-55401 (CVSS 6.9) — CVE-2026-55401 is a null dereference vulnerability on the load-balancing sub-system of Secure Access servers …
    CVE-2026-55399 (CVSS 5.1) — CVE-2026-55399 is a resource exhaustion vulnerability in the Secure Access publisher prior to 14.55. Attackers…
    CVE-2026-55398 (CVSS 6.9) — CVE-2026-55398 is a memory management vulnerability in Secure Access clients and servers prior to 14.55. Attac…
    CVE-2026-33445 (CVSS 8.7) — CVE-2026-33445 is a memory management vulnerability in Secure Access servers prior to 14.55. Attackers with an…
    CVE-2026-33444 (CVSS 6.9) — CVE-2026-33444 is a memory management vulnerability in Secure Access servers prior to 14.55. Attackers with in…
    CVE-2026-33443 (CVSS 7.1) — CVE-2026-33443 is a memory management error in Secure Access servers prior to 14.55. Attackers with an intimat…
    CVE-2026-40958 (CVSS 2.3) — CVE-2026-40958 is a input validation error in Secure Access clients prior to 14.55. Attackers with intimate kn…
    CVE-2026-40957 (CVSS 6.1) — o   CVE-2026-40957 is a frameable content vulnerability in the Secure Access server login page prior to 14.55.…
    CVE-2026-40956 (CVSS 2.1) — CVE-2026-40956 is a memory disclosure vulnerability in Secure Access client versions prior to 14.55. Attackers…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High