Vulnerability · Published Feb 4, 2026 · Assigned by f5

CVE-2026-22549BIG-IP Container Ingress Services vulnerability

Medium 4.9

In plain English

A medium-severity security flaw in F5 BIG-IP Container Ingress Services from F5. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities).

Severity (CVSS 3.1)4.9Medium
Exploit odds (30 days)0.4%top 69.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A vulnerability exists in F5 BIG-IP Container Ingress Services that may allow excessive permissions to read cluster secrets.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected products (as reported)

VendorProductVersions
F5 F5 BIG-IP Container Ingress Services 2.0.0 – before 2.20.21.0.0 – before *

Weakness: CWE-250 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

References