CVE-2026-40435

published 2026-05-13

CVE-2026-40435: When configured, IP-based access restrictions for httpd do not cover all endpoints, which may allow connections from blocked addresses. Note: Software versions…

medium 6.9 CVSS 4.0

AV N AC L AT N PR N UI N VC L VI N VA N 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 MVI X MVA X MSC X MSI X MSA X S X AU X R X V X RE X U X

When configured, IP-based access restrictions for httpd do not cover all endpoints, which may allow connections from blocked addresses. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected

3 ranges

Vendor	Product	Version range	Fixed in
f5	big-ip	>= 16.1.0 < *	*
f5	big-ip	>= 17.1.0 < 17.1.3.1	17.1.3.1
f5	big-ip	>= 17.5.0 < 17.5.1.4	17.5.1.4

CWE-420