How severe is CVE-2022-26890?

CVE-2022-26890 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2022-26890 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-26890?

CVE-2022-26890 primarily affects F5 Big-ip Access Policy Manager. In total, 54 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-26890?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-26890 published?

CVE-2022-26890 was published on 2022-05-05 and last updated on 2026-06-17.

CVE-2022-26890

CVE-2022-26890 is a high-severity vulnerability in F5 Big-ip Access Policy Manager with a CVSS 3.x base score of 7.5. 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-670.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-670
Affected product: F5 Big-ip Access Policy Manager
Published: 2022-05-05
Last modified: 2026-06-17

Description

On F5 BIG-IP Advanced WAF, ASM, and APM 16.1.x versions prior to 16.1.2.1, 15.1.x versions prior to 15.1.5, 14.1.x versions prior to 14.1.4.6, and 13.1.x versions prior to 13.1.5, when ASM or Advanced WAF, as well as APM, are configured on a virtual server, the ASM policy is configured with Session Awareness, and the "Use APM Username and Session ID" option is enabled, undisclosed requests can cause the bd process to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

Frequently asked questions

What is CVE-2022-26890?: On F5 BIG-IP Advanced WAF, ASM, and APM 16.1.x versions prior to 16.1.2.1, 15.1.x versions prior to 15.1.5, 14.1.x versions prior to 14.1.4.6, and 13.1.x versions prior to 13.1.5, when ASM or Advanced WAF, as well as APM, are configured on a virtual server, the ASM policy is configured with Session Awareness, and the "Use APM Username and Session ID" option is enabled, undisclosed requests can cause the bd process to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated
How severe is CVE-2022-26890?: CVE-2022-26890 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2022-26890 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-26890?: CVE-2022-26890 primarily affects F5 Big-ip Access Policy Manager. In total, 54 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-26890?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-26890 published?: CVE-2022-26890 was published on 2022-05-05 and last updated on 2026-06-17.

References

https://support.f5.com/csp/article/K03442392

Affected products (54)

cpe:2.3:a:f5:big-ip_access_policy_manager:13.1.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_access_policy_manager:13.1.1:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_access_policy_manager:13.1.3:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_access_policy_manager:13.1.4:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_access_policy_manager:13.1.5:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_access_policy_manager:14.1.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_access_policy_manager:14.1.2:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_access_policy_manager:14.1.3:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_access_policy_manager:14.1.4:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_access_policy_manager:15.1.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_access_policy_manager:15.1.1:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_access_policy_manager:15.1.2:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_access_policy_manager:15.1.3:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_access_policy_manager:15.1.4:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_access_policy_manager:15.1.5:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_access_policy_manager:16.1.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_access_policy_manager:16.1.1:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_access_policy_manager:16.1.2:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:13.1.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:13.1.1:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:13.1.3:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:13.1.4:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:13.1.5:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:14.1.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:14.1.2:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:14.1.3:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:14.1.4:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:15.1.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:15.1.1:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:15.1.2:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:15.1.3:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:15.1.4:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:15.1.5:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:16.1.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:16.1.1:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:16.1.2:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_application_security_manager:13.1.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_application_security_manager:13.1.1:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_application_security_manager:13.1.3:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_application_security_manager:13.1.4:*:*:*:*:*:*:*

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