Skip to main content

F5 BIG-IP CVE-2026-42919

| EUVD-2026-30003 HIGH
Stack-based Buffer Overflow (CWE-121)
2026-05-13 f5 GHSA-w3xh-p84j-v7qw
7.1
CVSS 4.0
Share

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:H/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
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
X

Lifecycle Timeline

5
Re-analysis Queued
May 13, 2026 - 16:22 vuln.today
cvss_changed
Severity Changed
May 13, 2026 - 16:22 NVD
MEDIUM HIGH
CVSS changed
May 13, 2026 - 16:22 NVD
6.7 (MEDIUM) 7.1 (HIGH)
Analysis Generated
May 13, 2026 - 15:52 vuln.today
CVE Published
May 13, 2026 - 14:12 nvd
MEDIUM 6.7

DescriptionNVD

A vulnerability exists in BIG-IP systems that may allow an authenticated attacker with administrative access to escalate their privileges. A successful exploit may allow the attacker to cross a security boundary.

Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

AnalysisAI

Privilege escalation in F5 BIG-IP allows authenticated administrators to cross security boundaries and achieve elevated system access through a stack buffer overflow. The vulnerability affects all BIG-IP versions and requires high-privilege administrative credentials and direct network access to exploit. …

Sign in for full analysis, threat intelligence, and remediation guidance.

Share

CVE-2026-42919 vulnerability details – vuln.today

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy