CVE-2026-40435 | THREATINT

Description

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.

PUBLISHED Reserved 2026-04-30 | Published 2026-05-13 | Updated 2026-05-13 | Assigner f5

MEDIUM: 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

MEDIUM: 6.9CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Problem types

CWE-420: Unprotected Alternate Channel

Product status

Default status

unknown

21.0.0 (custom) before *

unaffected

17.5.0 (custom) before 17.5.1.4

affected

17.1.0 (custom) before 17.1.3.1

affected

16.1.0 (custom) before *

affected

Credits

F5 finder

References

my.f5.com/manage/s/article/K000156604 vendor-advisory patch

cve.org (CVE-2026-40435)

nvd.nist.gov (CVE-2026-40435)

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