CVE-2026-26934

mediumpriority · track · 0EPSS 0.003 · 24 %ileDEEUNLUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.32% (24th) EPSS
CVSS 6.5 · medium
Is it mine?
24 products
Check your exposure
Who says so?
6 sources
cnnvd · enisa_euvd · osv · cert_bund

EPSS · scored 2026-10-27

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.

01

cvss

Technical severity, 0–10. One row per scoring source.

6.5
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU
v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hsecondary · security@elastic.coexploitability 2.8 · impact 3.6
v3.16mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)
v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hsecondary · NCSC-NL NL
02

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-1284USCWE-1284US
04

affected products (24)

Products and version ranges known to be affected.

showing 20 of 24
05

advisories (4)

Vendor and ecosystem advisories describing this.

  • NCSC-2026-0078Kwetsbaarheden verholpen in KibanaNL2026-03-05csaf · ncsc_nlNL

    Elastic heeft kwetsbaarheden verholpen in Kibana.

  • WID-SEC-W-2026-0545Kibana: Mehrere Schwachstellen ermöglichen Denial of Service und Offenlegung von InformationenDeutsch2026-02-26csaf · cert_bundDE

    Ein entfernter, authentisierter oder anonymer Angreifer kann mehrere Schwachstellen in Kibana ausnutzen, um einen Denial of Service Angriff durchzuführen oder vertrauliche Informationen offenzulegen.

  • BIT-elk-2026-26934Improper Validation of Specified Quantity in Input in Kibana Leading to Denial of Service2026-03-03vendor · osvUS

    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.

  • BIT-kibana-2026-26934Improper Validation of Specified Quantity in Input in Kibana Leading to Denial of Service2026-03-03vendor · osvUS

    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.

06

also known as (5)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdosvcert_bundncsc_nlnvdNVDCVE.orgMITRE
published 2026-02-26modified 2026-06-17
08

references (3)

External citations — patches, advisories, analysis.

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