CVE-2026-40067
published 2026-05-13CVE-2026-40067: 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…
PriorityP343high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
0.32%
24.8th percentile
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.
Affected
9 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| f5 | big-ip | >= 16.1.0 < * | * |
| f5 | big-ip | >= 17.1.0 < 17.1.3.1 | 17.1.3.1 |
| f5 | big-ip | >= 17.5.0 < 17.5.1.4 | 17.5.1.4 |
| f5 | big-ip | >= 21.0.0 < 21.0.0.1 | 21.0.0.1 |
| f5 | big-ip_access_policy_manager | — | — |
| f5 | big-ip_access_policy_manager | 16.1.0 – 16.1.6 | — |
| f5 | big-ip_access_policy_manager | 17.1.0 – 17.1.3 | — |
| f5 | big-ip_access_policy_manager | 17.5.0 – 17.5.1 | — |
| f5 | big-ip_apm | — | — |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv4.08.7HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
F5
CVE-2026-40067: When a BIG-IP APM access policy is configured on a virtual server, undisclosed traffic can cause the apmd process to ...
vendor_f5·2026-05-13·CVSS 8.7
CVE-2026-40067 [HIGH] CWE-120 CVE-2026-40067: When a BIG-IP APM access policy is configured on a virtual server, undisclosed traffic can cause the apmd process to ...
CVE-2026-40067: When a BIG-IP APM access policy is configured on a virtual server, undisclosed traffic can cause the apmd process to ...
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.
Affected Products: BIG-IP APM
F5 Advisory Articles: K000161056
F5 References: https://my.f5.com/manage/s/article/K000161056
VulDB
F5 BIG-IP prior 17.1.3.1/17.5.1.4/21.0.0.1 buffer overflow (K000161056 / Nessus ID 316102)
vuldb·2026-05-24·CVSS 8.7
CVE-2026-40067 [HIGH] F5 BIG-IP prior 17.1.3.1/17.5.1.4/21.0.0.1 buffer overflow (K000161056 / Nessus ID 316102)
A vulnerability was found in F5 BIG-IP. It has been rated as critical. This issue affects some unknown processing. The manipulation leads to buffer overflow.
This vulnerability is uniquely identified as CVE-2026-40067. The attack is possible to be carried out remotely. No exploit exists.
Upgrading the affected component is advised.
GHSA
GHSA-7864-ffq2-g598: When a BIG-IP APM access policy is configured on a virtual server, undisclosed traffic can cause the apmd process to terminate
ghsa_unreviewed·2026-05-13
CVE-2026-40067 [HIGH] CWE-120 GHSA-7864-ffq2-g598: When a BIG-IP APM access policy is configured on a virtual server, undisclosed traffic can cause the apmd process to terminate
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.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-05-13
Published