How severe is CVE-2026-41953?

CVE-2026-41953 has a CVSS 3.x base score of 8.7, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2026-41953 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-41953?

CVE-2026-41953 primarily affects F5 Big-ip Access Policy Manager. In total, 42 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-41953?

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.

Does CVE-2026-41953 have an EU (EUVD) identifier?

Yes. CVE-2026-41953 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29988.

When was CVE-2026-41953 published?

CVE-2026-41953 was published on 2026-05-13 and last updated on 2026-06-24.

CVE-2026-41953

CVE-2026-41953 is a high-severity vulnerability in F5 Big-ip Access Policy Manager with a CVSS 3.x base score of 8.7. 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-77.

Key facts

Severity: High (CVSS 3.x base score 8.7)
CVSS v4: 8.5
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-29988
Weakness: CWE-77
Affected product: F5 Big-ip Access Policy Manager
Published: 2026-05-13
Last modified: 2026-06-24

Description

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.

Frequently asked questions

What is CVE-2026-41953?: 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.
How severe is CVE-2026-41953?: CVE-2026-41953 has a CVSS 3.x base score of 8.7, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2026-41953 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-41953?: CVE-2026-41953 primarily affects F5 Big-ip Access Policy Manager. In total, 42 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-41953?: 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.
Does CVE-2026-41953 have an EU (EUVD) identifier?: Yes. CVE-2026-41953 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29988.
When was CVE-2026-41953 published?: CVE-2026-41953 was published on 2026-05-13 and last updated on 2026-06-24.

References

https://my.f5.com/manage/s/article/K000160975

Affected products (42)

cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_application_visibility_and_reporting:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_automation_toolchain:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_carrier-grade_nat:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_container_ingress_services:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_ssl_orchestrator:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_websafe:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_access_policy_manager:21.0.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_advanced_firewall_manager:21.0.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:21.0.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_analytics:21.0.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_application_acceleration_manager:21.0.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_application_security_manager:21.0.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_application_visibility_and_reporting:21.0.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_automation_toolchain:21.0.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_carrier-grade_nat:21.0.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_container_ingress_services:21.0.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:21.0.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_domain_name_system:21.0.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_edge_gateway:21.0.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_fraud_protection_service:21.0.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_global_traffic_manager:21.0.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_link_controller:21.0.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_local_traffic_manager:21.0.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_policy_enforcement_manager:21.0.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_ssl_orchestrator:21.0.0:*:*:*:*:*:*:*

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