CVE-2026-41953: high-severity vulnerability in F5 BIG-IP
BIG-IP Privilege Escalation vulnerability
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.5epss 0.2%
A vulnerability exists in BIG-IP systems where a highly privileged, authenticated attacker with at least the Resource Administrator role can modify configuration objects resulting in privilege escalation. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Affected products
F5 · BIG-IPRelated CVEs — F5 BIG-IP
In the same product, most dangerous first.
CVE-2022-1388CRITICALCVE-2022-1388EPSS 100.0%KEVCVE-2023-46747CRITICALBIG-IP Configuration utility unauthenticated remote code execution vulnerabilityEPSS 96.7%KEVCVE-2026-94127CRITICALBIG-IP APM OAuth vulnerabilityEPSS 26.6%KEVCVE-2023-46748HIGHBIG-IP Configuration utility authenticated SQL injection vulnerabilityEPSS 4.3%KEVCVE-2025-53521CRITICALBigIP APM VulnerabilityEPSS 2.3%KEVCVE-2022-41622HIGHiControl SOAP vulnerabilityEPSS 92.4%