CVE-2026-40703

BIG-IP Configuration utility CSRF vulnerability

State: Published
Severity: 5.3 Medium
Published: May 13, 2026
Updated: May 13, 2026
Reserved: Apr 30, 2026

Description

A cross-site request forgery (CSRF) vulnerability exists in the dashboard of the BIG-IP Configuration utility. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N	f5
3.1	5.4 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L	f5

Weaknesses

CWE-352 Cross-Site Request Forgery (CSRF)

Affected Products

Product	Versions
BIG-IPF5	21.0.0 and laterNot affected 17.5.0 to before 17.5.1.4Affected 17.1.0 to before 17.1.3.1Affected 16.1.0 and laterAffected

References

https://my.f5.com/manage/s/article/K35544022vendor-advisorypatch

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.