High 7.5Published Jul 15, 2026

CVE-2026-59762BIG-IP HTTP/2 vulnerability

Updated under an hour ago (Oct 27, 2026, 10:50 AM ET)

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It affects F5 BIG-IP and 6 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for F5 BIG-IP

Exploited in the last 30 days

When an HTTP/2 profile is configured on a virtual server, undisclosed requests can cause an increase in memory resource utilization. Impact: System performance can degrade until the TMM process is either forced to restart or is manually restarted. This vulnerability allows a remote, unauthenticated attacker to cause a degradation of service that can lead to a denial-of-service (DoS) on the BIG-IP system. There is no control plane exposure; this is a data plane issue only. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS: 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-770
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: f5
NVD analysis: Analyzed
Record last updated: Jul 15, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

F5 BIG-IP f5:big_ip (from the name)	from 21.1.0 before 21.1.0.1; from 21.0.0 before 21.0.0.3; from 17.5.0 before 17.5.1.8; from 17.1.0 before 17.1.3.4	CNA record
F5 BIG-IP Next for Kubernetes f5:big_ip_next_for_kubernetes (from the name)	from 2.3.0 before 2.3.2; from 2.0.0 before 2.2.3	CNA record
F5 BIG-IP Next SPK f5:big_ip_next_spk (from the name)	from 1.9.0; from 1.7.0 before 1.7.18	CNA record
F5 BIG-IP Next CNF f5:big_ip_next_cnf (from the name)	from 2.3.0 before 2.3.2; from 2.0.0 before 2.2.3; from 1.1.0 before 1.4.3	CNA record
f5 big-ip_next_cloud-native_network_functions f5:big-ip_next_cloud-native_network_functions	from 1.1.0 before 1.4.3; from 2.0.0 before 2.2.3; 2.3.0	NVD
f5 big-ip_next_for_kubernetes f5:big-ip_next_for_kubernetes	from 2.0.0 before 2.2.3; 2.3.0	NVD
f5 big-ip_next_service_proxy_for_kubernetes f5:big-ip_next_service_proxy_for_kubernetes	from 1.7.0 before 1.7.18; from 1.8.0 through 1.9.2; from 2.0.0 through 2.0.3	NVD

References

References

https://my.f5.com/manage/s/article/K000162231	vendor-advisory, patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.