VulnSocial

CVE-2026-42058Disclosure(f5 / big-ip_access_policy_manager)

LOWCVSS 5.3 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch f5 big-ip_access_policy_manager systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

An authenticated attacker's undisclosed requests to BIG-IP iControl REST can lead to an information leak of BIG-IP local user account names.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

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1.0/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-732

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • big-ip_access_policy_manager
  • big-ip_advanced_firewall_manager
  • big-ip_advanced_web_application_firewall
  • big-ip_analytics

Threat summary

  • Patch or workaround signal is available
  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 1 signal
  • Disclosure: 2 classified signals
  • Peaked 1d ago at 1 mentions (2026-05-17); latest day: 1
  • 2 total mentions across 2 days

Affected systems

Vendors
f5
Products
big-ip_access_policy_managerbig-ip_advanced_firewall_managerbig-ip_advanced_web_application_firewallbig-ip_analyticsbig-ip_application_acceleration_managerbig-ip_application_security_managerbig-ip_application_visibility_and_reportingbig-ip_automation_toolchainbig-ip_carrier-grade_natbig-ip_container_ingress_services

1 version affected across 21 products

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-05-17: 1Mentions · 2026-07-02: 1Patch / Workaround · 2026-07-02: 1Technical Details · 2026-05-17: 105-1707-02
Signal classification1 categories
Disclosure
2100.0%
Referenced assets1 URL
By indicator
Full discourse2 posts
  • Abutalib_Zarban@Abutalib_Zarban
    Disclosure

    الحمد لله 🎉 سعيد جدًا بمشاركة أول CVE لي! 🚀 ثغرة في F5 BIG-IP (iControl REST)، تم اعتمادها تحت الرقم CVE-2026-42058، وإصلاحها من قبل F5، مع إدراج اسمي في التقرير شكرًا لفريق F5 SIRT على احترافيتهم وتعاونهم طوال رحلة الإفصاح. إن شاء الله تكون الأولى من إنجازات كثيرة. 🔍 https://t.co/xCmgfccxCj

    Post summary

    The author announces discovering CVE‑2026‑42058 in F5 BIG‑IP's iControl REST, acknowledges F5’s fix and credit.

    1021972514.4K
    820 followersView on X
  • Israel@f1tym1
    Disclosure

    CVE-2026-42058 | F5 BIG-IP prior 17.1.3.2/17.5.1.6/21.0.0.2 iControl REST permission assignment (K000160903 / WID-SEC-2026-1532) https://ift.tt/GBxYgb7 A vulnerability, which was classified as problematic, was found in F5 BIG-IP. This affects an unknown function of the compone…

    Post summary

    The excerpt announces a discovered vulnerability (CVE-2026-42058) in specific F5 BIG‑IP versions affecting iControl REST permission assignment, providing technical details but no evidence of exploitation or remediation.

    0000037
    974 followersView on X
CPE platform detail42 entries

42 of 42 entries

PartVendorProductVersionTarget SWTarget HW
Appf5big-ip_access_policy_manager---
Appf5big-ip_access_policy_manager21.0.0--
Appf5big-ip_advanced_firewall_manager---
Appf5big-ip_advanced_firewall_manager21.0.0--
Appf5big-ip_advanced_web_application_firewall---
Appf5big-ip_advanced_web_application_firewall21.0.0--
Appf5big-ip_analytics---
Appf5big-ip_analytics21.0.0--
Appf5big-ip_application_acceleration_manager---
Appf5big-ip_application_acceleration_manager21.0.0--
Appf5big-ip_application_security_manager---
Appf5big-ip_application_security_manager21.0.0--
Appf5big-ip_application_visibility_and_reporting---
Appf5big-ip_application_visibility_and_reporting21.0.0--
Appf5big-ip_automation_toolchain---
Appf5big-ip_automation_toolchain21.0.0--
Appf5big-ip_carrier-grade_nat---
Appf5big-ip_carrier-grade_nat21.0.0--
Appf5big-ip_container_ingress_services---
Appf5big-ip_container_ingress_services21.0.0--
Appf5big-ip_ddos_hybrid_defender---
Appf5big-ip_ddos_hybrid_defender21.0.0--
Appf5big-ip_domain_name_system---
Appf5big-ip_domain_name_system21.0.0--
Appf5big-ip_edge_gateway---
Appf5big-ip_edge_gateway21.0.0--
Appf5big-ip_fraud_protection_service---
Appf5big-ip_fraud_protection_service21.0.0--
Appf5big-ip_global_traffic_manager---
Appf5big-ip_global_traffic_manager21.0.0--
Appf5big-ip_link_controller---
Appf5big-ip_link_controller21.0.0--
Appf5big-ip_local_traffic_manager---
Appf5big-ip_local_traffic_manager21.0.0--
Appf5big-ip_policy_enforcement_manager---
Appf5big-ip_policy_enforcement_manager21.0.0--
Appf5big-ip_ssl_orchestrator---
Appf5big-ip_ssl_orchestrator21.0.0--
Appf5big-ip_webaccelerator---
Appf5big-ip_webaccelerator21.0.0--
Appf5big-ip_websafe---
Appf5big-ip_websafe21.0.0--

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