CVE-2026-115319

LOW
INFO Priority: 0.00 BB Relevance: 29/100
Published: 2026-10-22 Modified: 2026-10-29 First seen: 2026-10-29 Status: active

Attack Surface

Low Complexity No Interaction

CVSS Vector Breakdown

AV: Local
AC: Low
PR: Low
UI: None
S: X
AT: Present
VC: None
VI: None
VA: Low

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.

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
junegunn fzf 0.36.0

Bug Bounty Relevance

29 / 100
✓ Low complexity
✓ No user interaction

CVSS Score

2.0 / 10.0 v4.0
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS — Exploitation Probability

0.10%
Raw Score 0.001010
Percentile 0.9%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00101
2026-10-28
0.00101

Intelligence Sources

mitre ref →
nvd ref →