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CVE Vulnerability Details :
CVE-2026-40060
PUBLISHED
More InfoOfficial Page
Assigner-f5
Assigner Org ID-9dacffd4-cb11-413f-8451-fbbfd4ddc0ab
View Known Exploited Vulnerability (KEV) details
Published At-13 May, 2026 | 14:12
Updated At-13 May, 2026 | 16:12
Rejected At-
▼CVE Numbering Authority (CNA)
BIG-IP Advanced WAF and ASM vulnerability

When a BIG-IP Advanced WAF or ASM security policy is configured on a virtual server, undisclosed requests can cause the bd process to terminate.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected Products
Vendor
F5, Inc.F5
Product
BIG-IP
Modules
  • Advanced WAF
Default Status
unknown
Versions
Affected
  • From 21.0.0 before 21.0.0.1 (custom)
  • From 17.5.0 before 17.5.1.4 (custom)
  • From 17.1.0 before 17.1.3.1 (custom)
  • From 16.1.0 before * (custom)
Unaffected
  • From 21.1.0 before * (custom)
Problem Types
TypeCWE IDDescription
CWECWE-252CWE-252 Unchecked Return Value
Type: CWE
CWE ID: CWE-252
Description: CWE-252 Unchecked Return Value
Metrics
VersionBase scoreBase severityVector
3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
4.08.7HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Version: 4.0
Base score: 8.7
Base severity: HIGH
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
finder
F5
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://my.f5.com/manage/s/article/K000160727
vendor-advisory
patch
Hyperlink: https://my.f5.com/manage/s/article/K000160727
Resource:
vendor-advisory
patch
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found