CVE-2026-40067Disclosure(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 a BIG-IP APM access policy is configured on a virtual server, undisclosed traffic can cause the apmd process to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

f5 CVEs Back to dashboard

0.0/ 10 priority

Sources & remediation

Vendor / third-party advisories

https://my.f5.com/manage/s/article/K000161056

Weakness type (CWE)

CWE-120

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

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 (2026-05-14); latest day: 1
2 total mentions across 2 days

Affected systems

Vendors

Products

big-ip_access_policy_manager

1 version affected across 1 product

Deep dive

Activity timeline2 mentions / 2d

Signal classification1 categories

Disclosure

2100.0%

Referenced assets2 URLs

By indicator

Full discourse2 posts

Israel@f1tym1144d
Disclosure
CVE-2026-40067 | F5 BIG-IP prior 17.1.3.1/17.5.1.4/21.0.0.1 buffer overflow (K000161056 / WID-SEC-2026-1532) https://ift.tt/eMoKY6x A vulnerability was found in F5 BIG-IP. It has been rated as critical. This issue affects some unknown processing. The manipulation leads to buff…
Post summary
The post announces a critical buffer overflow (CVE-2026-40067) affecting specific F5 BIG‑IP versions, providing a link for more details but no PoC, exploit, patch, or evidence of active exploitation.
0000039
974 followersView on X
VulDB 🛡@vuldb147d
Disclosure
A severe vulnerability was disclosed for F5 BIG-IP (CVE-2026-40067) https://vuldb.com/vuln/363588
Post summary
A new severe vulnerability, CVE-2026-40067, affecting F5 BIG‑IP has been disclosed, with a link to its listing on VulDB.
0000070
2.2K followersView on X

CPE platform detail2 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

2 of 2 entries

Part	Vendor	Product	Version	Target SW	Target HW
App	f5	big-ip_access_policy_manager	-	-	-
App	f5	big-ip_access_policy_manager	21.0.0	-	-

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