CVE-2026-55402Medium· 5.9▾ SunlitCVE-2026-55402 is an out of bounds read vulnerability in Secure Access servers prior to version 14.57. Attackers with an ‘in the middle’ position can send specially crafted data to a server causing a persistent denial of service.
▾ Sunlit zone — Low / medium · no exploitation signal
impact 32.5 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Sep 5.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.3%
CVE-2026-55402 is an out of bounds read vulnerability in Secure Access servers prior to version 14.57. Attackers with an ‘in the middle’ position can send specially crafted data to a server causing a persistent denial of service.
secure_access < 14.57Upgrade past the affected range:
secure_access 14.57Connected by shared product, vendor, weakness, or advisory.
CVE-2026-55401Medium· 5.3CVE-2026-55401 is a null dereference vulnerability on the load-balancing sub-system of Secure Access servers prior to 14.57
CVE-2026-55400Medium· 6.5CVE-2026-55400 is an integer underflow in Secure Access servers prior to version 14.57
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