How severe is CVE-2026-22549?

CVE-2026-22549 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-22549 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-22549?

CVE-2026-22549 affects F5 Big-ip Container Ingress Services. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-22549?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-22549 have an EU (EUVD) identifier?

Yes. CVE-2026-22549 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5508.

When was CVE-2026-22549 published?

CVE-2026-22549 was published on 2026-02-04 and last updated on 2026-06-17.

CVE-2026-22549

CVE-2026-22549 is a medium-severity vulnerability in F5 Big-ip Container Ingress Services with a CVSS 3.x base score of 4.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-250.

Key facts

Severity: Medium (CVSS 3.x base score 4.9)
CVSS v4: 6.9
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-5508
Weakness: CWE-250
Affected product: F5 Big-ip Container Ingress Services
Published: 2026-02-04
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-22549?: 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.
How severe is CVE-2026-22549?: CVE-2026-22549 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-22549 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-22549?: CVE-2026-22549 affects F5 Big-ip Container Ingress Services. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-22549?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-22549 have an EU (EUVD) identifier?: Yes. CVE-2026-22549 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5508.
When was CVE-2026-22549 published?: CVE-2026-22549 was published on 2026-02-04 and last updated on 2026-06-17.

References

https://my.f5.com/manage/s/article/K000157960

Affected products (1)

cpe:2.3:a:f5:big-ip_container_ingress_services:*:*:*:*:*:*:*:*

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