SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-55399

CVE-2026-55399 is a resource exhaustion vulnerability in the Secure Access publisher prior to 14.55.

MEDIUM 5.1EPSS 0.37%

Does this matter?

Lower severity and a low EPSS score (0.37%). Track it; it rarely justifies an emergency change on its own.

Description

CVE-2026-55399 is a resource exhaustion vulnerability in the Secure Access publisher prior to 14.55. Attackers with valid credentials to the Secure Access tunnel can create a non-persistent DoS against the publisher.

CVSS 4.0
5.1 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS
0.37% probability · 30th percentile
CISA KEV
Not listed
Weakness
CWE-400
Affected
absolute/secure access
Source
SecurityResponse@netmotionsoftware.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.