CVE-2026-26934CWE-1284

Improper Validation of Specified Quantity in Input in Kibana Leading to Denial of Service

Medium · published February 26, 2026

CVSS v3.1
6.5
EPSS
1%
Percentile
42.0
In the wild
Unconfirmed
What it is

Improper Validation of Specified Quantity in Input (CWE-1284) in Kibana can allow an authenticated attacker with view-only privileges to cause a Denial of Service via Input Data Manipulation (CAPEC-153). An attacker can send a specially crafted, malformed payload causing excessive resource consumption and resulting in Kibana becoming unresponsive or crashing.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00501 · 42.0th percentile
Weakness
CWE-1284 · Improper Validation of Specified Quantity in Input
Published
2026-02-26T17:03Z
EPSS history
Timeline
  • 26 FEB 17:03Z
    Improper Validation of Specified Quantity in Input in Kibana Leading to Denial of Service
    cvelistv5