CVE-2026-56151

MEDIUM
MEDIUM Priority: 0.03 BB Relevance: 63/100
Published: 2026-07-01 Modified: 2026-10-25 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Interaction

CVSS Vector Breakdown

AV: Network
AC: Low
PR: Low
UI: None
S: Unchanged
C: None
I: None
A: High

Description

Improper Input Validation (CWE-20) in Kibana can lead to a denial of service via Input Data Manipulation (CAPEC-153). An authenticated user can submit a specially crafted Fleet policy input that is not correctly validated, which can render Fleet agent, server, and policy management functionality unavailable.

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
elastic kibana 8.0.0 – 8.19.17

Bug Bounty Relevance

63 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

6.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

0.47%
Raw Score 0.004720
Percentile 40.7%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00472
2026-10-28
0.00472

Intelligence Sources

nvd ref →