CVE-2026-115319
Low · 2.5CVSS
2.5
EPSS
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Published
Oct 22, 2026
CISA due date
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The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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