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Mar 27, 2026 - For details about updated CVE-2025-53521 (BIG-IP APM vulnerability), refer to K000156741.
Most RecentMost ViewedMost Likesshould HTTP::header exists <name> return true for empty headers? it seems that HTTP::header exists "random-header" doesn't return true if random-header exists but is empty. is this expected behaviour or am I doing something wrong?
