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Medium 6.5Published May 13, 2026
CVE-2026-41959Incorrect permission assignment vulnerabilities exist in BIG-IP and BIG-IQ TMOS Shell (tmsh) network diagnostics commands and in BIG-IP iControl REST.
Updated under an hour ago ()
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It affects f5 big-ip_access_policy_manager and 21 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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Incorrect permission assignment vulnerabilities exist in BIG-IP and BIG-IQ TMOS Shell (tmsh) network diagnostics commands and in BIG-IP iControl REST. These vulnerabilities may allow an authenticated attacker to view the network status of destination systems. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
- CVSS
- 6.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
- Weakness (CWE)
- CWE-732
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jun 24, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
f5 big-ip_access_policy_manager f5:big-ip_access_policy_manager | from 17.1.0 through 17.1.3; from 17.5.0 through 17.5.1; from 16.1.0 through 16.1.6; 21.0.0 | NVD |
f5 big-ip_advanced_firewall_manager f5:big-ip_advanced_firewall_manager | from 17.1.0 through 17.1.3; from 17.5.0 through 17.5.1; from 16.1.0 through 16.1.6; 21.0.0 | NVD |
f5 big-ip_advanced_web_application_firewall f5:big-ip_advanced_web_application_firewall | from 17.1.0 through 17.1.3; from 17.5.0 through 17.5.1; from 16.1.0 through 16.1.6; 21.0.0 | NVD |
f5 big-ip_analytics f5:big-ip_analytics | from 17.1.0 through 17.1.3; from 17.5.0 through 17.5.1; from 16.1.0 through 16.1.6; 21.0.0 | NVD |
f5 big-ip_application_acceleration_manager f5:big-ip_application_acceleration_manager | from 17.1.0 through 17.1.3; from 17.5.0 through 17.5.1; from 16.1.0 through 16.1.6; 21.0.0 | NVD |
f5 big-ip_application_security_manager f5:big-ip_application_security_manager | from 17.1.0 through 17.1.3; from 17.5.0 through 17.5.1; from 16.1.0 through 16.1.6; 21.0.0 | NVD |
f5 big-ip_application_visibility_and_reporting f5:big-ip_application_visibility_and_reporting | from 17.1.0 through 17.1.3; from 17.5.0 through 17.5.1; from 16.1.0 through 16.1.6; 21.0.0 | NVD |
f5 big-ip_automation_toolchain f5:big-ip_automation_toolchain | from 17.1.0 through 17.1.3; from 17.5.0 through 17.5.1; from 16.1.0 through 16.1.6; 21.0.0 | NVD |
f5 big-ip_carrier-grade_nat f5:big-ip_carrier-grade_nat | from 17.1.0 through 17.1.3; from 17.5.0 through 17.5.1; from 16.1.0 through 16.1.6; 21.0.0 | NVD |
f5 big-ip_container_ingress_services f5:big-ip_container_ingress_services | from 17.1.0 through 17.1.3; from 17.5.0 through 17.5.1; from 16.1.0 through 16.1.6; 21.0.0 | NVD |
f5 big-ip_ddos_hybrid_defender f5:big-ip_ddos_hybrid_defender | from 17.1.0 through 17.1.3; from 17.5.0 through 17.5.1; from 16.1.0 through 16.1.6; 21.0.0 | NVD |
f5 big-ip_domain_name_system f5:big-ip_domain_name_system | from 17.1.0 through 17.1.3; from 17.5.0 through 17.5.1; from 16.1.0 through 16.1.6; 21.0.0 | NVD |
f5 big-ip_edge_gateway f5:big-ip_edge_gateway | from 17.1.0 through 17.1.3; from 17.5.0 through 17.5.1; from 16.1.0 through 16.1.6; 21.0.0 | NVD |
f5 big-ip_fraud_protection_service f5:big-ip_fraud_protection_service | from 17.1.0 through 17.1.3; from 17.5.0 through 17.5.1; from 16.1.0 through 16.1.6; 21.0.0 | NVD |
f5 big-ip_global_traffic_manager f5:big-ip_global_traffic_manager | from 17.1.0 through 17.1.3; from 17.5.0 through 17.5.1; from 16.1.0 through 16.1.6; 21.0.0 | NVD |
f5 big-ip_link_controller f5:big-ip_link_controller | from 17.1.0 through 17.1.3; from 17.5.0 through 17.5.1; from 16.1.0 through 16.1.6; 21.0.0 | NVD |
f5 big-ip_local_traffic_manager f5:big-ip_local_traffic_manager | from 17.1.0 through 17.1.3; from 17.5.0 through 17.5.1; from 16.1.0 through 16.1.6; 21.0.0 | NVD |
f5 big-ip_policy_enforcement_manager f5:big-ip_policy_enforcement_manager | from 17.1.0 through 17.1.3; from 17.5.0 through 17.5.1; from 16.1.0 through 16.1.6; 21.0.0 | NVD |
f5 big-ip_ssl_orchestrator f5:big-ip_ssl_orchestrator | from 17.1.0 through 17.1.3; from 17.5.0 through 17.5.1; from 16.1.0 through 16.1.6; 21.0.0 | NVD |
f5 big-ip_webaccelerator f5:big-ip_webaccelerator | from 17.1.0 through 17.1.3; from 17.5.0 through 17.5.1; from 16.1.0 through 16.1.6; 21.0.0 | NVD |
f5 big-ip_websafe f5:big-ip_websafe | from 17.1.0 through 17.1.3; from 17.5.0 through 17.5.1; from 16.1.0 through 16.1.6; 21.0.0 | NVD |
f5 big-iq_centralized_management f5:big-iq_centralized_management | from 8.4.0 through 8.4.1 | NVD |
References
- https://my.f5.com/manage/s/article/K000161022mitigation, vendor-advisory
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.