🛡️ CVE-2026-40629 — big-ip-access-policy-manager

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

• Attack vector: Network — reachable from anywhere that can route to the service.
• Attack complexity: Low — the attack works reliably, with no preparation.
• Privileges required: None — an unauthenticated stranger can try it.
• User interaction: None — nobody has to be tricked into anything.
• Scope: Unchanged — the damage stays inside the vulnerable component.
• Confidentiality impact: None.
• Integrity impact: None.
• Availability impact: High — total loss, or loss the attacker controls.

Weakness class

CVE-2026-40629 is classified as CWE-770: Allocation of Resources Without Limits. Resources are allocated on request with no cap, so a client can exhaust them.

Affected software

CVE-2026-40629 is recorded against 24 packages.

• big-ip-access-policy-manager (from 16.1.0 up to 16.1.6)
• big-ip-advanced-firewall-manager (from 16.1.0 up to 16.1.6)
• big-ip-advanced-web-application-firewall (from 16.1.0 up to 16.1.6)
• big-ip-analytics (from 16.1.0 up to 16.1.6)
• big-ip-application-acceleration-manager (from 16.1.0 up to 16.1.6)
• big-ip-application-security-manager (from 16.1.0 up to 16.1.6)
• big-ip-application-visibility-and-reporting (from 16.1.0 up to 16.1.6)
• big-ip-automation-toolchain (from 16.1.0 up to 16.1.6)
• big-ip-carrier-grade-nat (from 16.1.0 up to 16.1.6)
• big-ip-container-ingress-services (from 16.1.0 up to 16.1.6)
• big-ip-ddos-hybrid-defender (from 16.1.0 up to 16.1.6)
• big-ip-domain-name-system (from 16.1.0 up to 16.1.6)
• big-ip-edge-gateway (from 16.1.0 up to 16.1.6)
• big-ip-fraud-protection-service (from 16.1.0 up to 16.1.6)
• big-ip-global-traffic-manager (from 16.1.0 up to 16.1.6)
• big-ip-link-controller (from 16.1.0 up to 16.1.6)
• big-ip-local-traffic-manager (from 16.1.0 up to 16.1.6)
• big-ip-next-cloud-native-network-functions
• big-ip-next-for-kubernetes (from 2.0.0 up to 2.1.0)
• big-ip-next-service-proxy-for-kubernetes (from 2.0.0 up to 2.0.2)
• big-ip-policy-enforcement-manager (from 16.1.0 up to 16.1.6)
• big-ip-ssl-orchestrator (from 16.1.0 up to 16.1.6)
• big-ip-webaccelerator (from 16.1.0 up to 16.1.6)
• big-ip-websafe (from 16.1.0 up to 16.1.6)

Timeline and source

Published on 13 May 2026 and last revised on 29 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

my.f5.com

Other advisories for this package

big-ip-access-policy-manager has other advisories on record. If you are patching this one, these are worth checking on the same host:

• CVE-2026-42063 (4.9 Medium, published 13 May 2026)
• CVE-2026-40698 (8.7 High, published 13 May 2026)
• CVE-2026-32673 (8.7 High, published 13 May 2026)
• CVE-2026-42920 (7.5 High, published 13 May 2026)
• CVE-2026-41225 (9.1 Critical, published 13 May 2026)
• CVE-2026-39459 (7.2 High, published 13 May 2026)
• CVE-2026-42058 (4.3 Medium, published 13 May 2026)
• CVE-2026-40631 (8.7 High, published 13 May 2026)

Same weakness in other software

These advisories are the same class of weakness (CWE-770: Allocation of Resources Without Limits) in other software:

• CVE-2026-49870 (5.9 Medium, published 19 Aug 2026)
• CVE-2026-13076 (8.0 High, published 19 Aug 2026)
• CVE-2026-13075 (8.0 High, published 19 Aug 2026)
• CVE-2026-13074 (5.0 Medium, published 19 Aug 2026)
• CVE-2026-39904 (8.0 High, published 18 Aug 2026)
• CVE-2026-53423 (published 18 Aug 2026)
• CVE-2026-52732 (5.3 Medium, published 18 Aug 2026)
• CVE-2026-57497 (published 18 Aug 2026)

Details

Affected Packages

References