Is CVE-2026-115319 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-115319?

CVE-2026-115319 has a CVSS v3 severity of LOW (2.5).

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CVE-2026-115319

Description

fzf 0.36.0 through 0.74.5 contains an inefficient algorithmic complexity vulnerability in maskActionContents that allows local attackers to exhaust the --listen HTTP server through quadratic string concatenation. Attackers can repeatedly send POST bodies of about 1 MB to the unauthenticated localhost port, blocking the single-threaded server for about 30 seconds each time.