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CVE-2026-115319

2.0 low Deferred
NVD · CVE.org

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.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 3

  1. StatusPublished → DeferredNVD modified 2026-10-22 17:40
  2. StatusReceived → PublishedNVD modified 2026-10-22 10:57
  3. First seenCVSS 2.0NVD modified 2026-10-22 11:17

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 4