What is CVE-2026-55402?
CVE-2026-55402 is an `out of bounds read` vulnerability found in Secure Access servers prior to version 14.57. An attacker in a `man-in-the-middle` position can send specially crafted data to trigger a persistent `denial of service` on the affected server. Upgrading to version 14.57 or later is required to mitigate this threat.
Azərbaycanca: CVE-2026-55402, Secure Access serverlərinin 14.57 versiyasından əvvəlki versiyalarında aşkarlanmış `out of bounds read` zəifliyidir. `Man-in-the-middle` mövqeyində olan hücumçu xüsusi hazırlanmış data göndərərək serverdə davamlı `denial of service` yarada bilər. Bu zəiflikdən qorunmaq üçün serverləri dərhal 14.57 və ya daha yeni versiyaya yeniləmək tövsiyə olunur.
Related CVEs
link basis: same weakness class CWE-125
FAQ2
Which versions of Secure Access servers are affected by CVE-2026-55402 and what is the recommended mitigation?
This vulnerability affects all versions prior to 14.57. Affected servers must be upgraded immediately to version 14.57 or later.
Under what conditions can an attacker exploit CVE-2026-55402 to cause a `denial of service` on the server?
The attacker must be in a `man-in-the-middle` position and send specially crafted data to trigger the `out of bounds read` vulnerability, resulting in a persistent `denial of service`.
See also6
This explainer is AI-written from source data — skopnix's own reporting on this CVE; CVSS scores, vendors and versions are never invented. See NVD for the official record.