VulnSocial

CVE-2026-40435Disclosure(f5 / big-ip_access_policy_manager)

LOWCVSS 6.9 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

When configured, IP-based access restrictions for httpd do not cover all endpoints, which may allow connections from blocked addresses.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

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0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-420

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

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

  • 1 mentions across 1 observed day

What's happening

  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • 1 total mentions across 1 day

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

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-05-17: 1Technical Details · 2026-05-17: 105-17
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • Israel@f1tym1
    Disclosure

    CVE-2026-40435 | F5 BIG-IP prior 17.1.3.1/17.5.1.4 httpd unprotected alternate channel (K000156604 / WID-SEC-2026-1532) https://ift.tt/MGFR78j A vulnerability described as problematic has been identified in F5 BIG-IP. Affected by this issue is some unknown functionality of the…

    Post summary

    The text announces CVE‑2026‑40435 affecting specific F5 BIG‑IP versions, describing an unprotected httpd alternate channel as the vulnerability.

    0000033
    974 followersView on X
CPE platform detail21 entries

21 of 21 entries

PartVendorProductVersionTarget SWTarget HW
Appf5big-ip_access_policy_manager---
Appf5big-ip_advanced_firewall_manager---
Appf5big-ip_advanced_web_application_firewall---
Appf5big-ip_analytics---
Appf5big-ip_application_acceleration_manager---
Appf5big-ip_application_security_manager---
Appf5big-ip_application_visibility_and_reporting---
Appf5big-ip_automation_toolchain---
Appf5big-ip_carrier-grade_nat---
Appf5big-ip_container_ingress_services---
Appf5big-ip_ddos_hybrid_defender---
Appf5big-ip_domain_name_system---
Appf5big-ip_edge_gateway---
Appf5big-ip_fraud_protection_service---
Appf5big-ip_global_traffic_manager---
Appf5big-ip_link_controller---
Appf5big-ip_local_traffic_manager---
Appf5big-ip_policy_enforcement_manager---
Appf5big-ip_ssl_orchestrator---
Appf5big-ip_webaccelerator---
Appf5big-ip_websafe---

Explore more

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