CVE-2026-40629Disclosure(f5 / big-ip_access_policy_manager)

LOWCVSS 8.7 · HIGH

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 SSL profiles are configured on a virtual server, undisclosed traffic can cause the virtual server to stop processing new client connections.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-770

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

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

  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • 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
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 24 products

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-05-17: 1Mentions · 2026-05-22: 1Technical Details · 2026-05-22: 105-1705-22
Signal classification1 categories
Disclosure
2100.0%
Referenced assets2 URLs
By indicator
Full discourse2 posts
  • Israel@f1tym1
    Disclosure

    CVE-2026-40629 | F5 BIG-IP prior 17.1.3.1/17.5.1.4 allocation of resources (K000158978 / Nessus ID 316123) https://ift.tt/AEZHU0s A vulnerability was found in F5 BIG-IP, BIG-IP Next SPK, BIG-IP Next CNF and BIG-IP Next for Kubernetes. It has been classified as critical. This a…

    Post summary

    A critical resource‑allocation vulnerability (CVE-2026-40629) affecting certain F5 BIG‑IP releases has been disclosed; no PoC, exploit, or patch information is provided in the text.

    0000065
    980 followersView on X
  • Israel@f1tym1
    Disclosure

    CVE-2026-40629 | F5 BIG-IP prior 17.1.3.1/17.5.1.4 allocation of resources (K000158978 / WID-SEC-2026-1532) https://ift.tt/Gq7VHnl A vulnerability was found in F5 BIG-IP, BIG-IP Next SPK, BIG-IP Next CNF and BIG-IP Next for Kubernetes. It has been classified as critical. This …

    Post summary

    The post announces the discovery of CVE-2026-40629, a critical resource‑allocation vulnerability affecting certain versions of F5 BIG‑IP and related products, but provides no PoC, exploit, patch, or evidence of active exploitation.

    0000040
    974 followersView on X
CPE platform detail25 entries

25 of 25 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_next_cloud-native_network_functions---
Appf5big-ip_next_cloud-native_network_functions1.4.0--
Appf5big-ip_next_for_kubernetes---
Appf5big-ip_next_service_proxy_for_kubernetes---
Appf5big-ip_policy_enforcement_manager---
Appf5big-ip_ssl_orchestrator---
Appf5big-ip_webaccelerator---
Appf5big-ip_websafe---

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