CVE-2026-22548
Published: 04 February 2026
Summary
CVE-2026-22548 is a high-severity Race Condition (CWE-362) vulnerability in F5 Big-Ip Advanced Web Application Firewall. Its CVSS base score is 8.2 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Application or System Exploitation (T1499.004); ranked at the 8.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-5490
Vulnerability details
When a BIG-IP Advanced WAF or ASM security policy is configured on a virtual server, undisclosed requests along with conditions beyond the attacker's control can cause the bd process to terminate. Note: Software versions which have reached End of Technical…
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Support (EoTS) are not evaluated.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Race condition in WAF/ASM bd process enables targeted application DoS via crafted requests (T1499.004).
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Accurate timestamps from internal clocks enable detection of race conditions by providing reliable event ordering in audit logs.
Coordination of concurrent security activities reduces the probability that shared resources will be accessed simultaneously without proper synchronization.