CVE-2026-26940

mediumpriority · track · 26EPSS 0.005 · 41 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.49% (41st) EPSS

CVSS 6.5 · medium

Is it mine?

18 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-23

Improper Validation of Specified Quantity in Input (CWE-1284) in the Timelion visualization plugin in Kibana can lead Denial of Service via Excessive Allocation (CAPEC-130). The vulnerability allows an authenticated user to send a specially crafted Timelion expression that overwrites internal series data properties with an excessively large quantity value.

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:Hprimary · NVD / NIST USexploitability 2.8 · impact 3.6

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)

ssvc

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

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-1284US

affected products (18)

Products and version ranges known to be affected.

Open Source Kibana <8.19.12all versionscert_bundDE
Open Source Kibana <8.19.13all versionscert_bundDE
Open Source Kibana <9.2.6all versionscert_bundDE
Open Source Kibana <9.2.7all versionscert_bundDE
Open Source Kibana <9.3.1all versionscert_bundDE
Open Source Kibana <9.3.2all versionscert_bundDE
Open Source Kibana< 8.19.12cert_bundDE
Open Source Kibana< 8.19.13cert_bundDE
Open Source Kibana< 9.2.6cert_bundDE
Open Source Kibana< 9.2.7cert_bundDE
Open Source Kibana< 9.3.1cert_bundDE
Open Source Kibana< 9.3.2cert_bundDE
Elastic Kibana≤ 8.0.0 ≤8.19.12enisa_euvdEU
Elastic Kibana≤ 9.3.0 ≤9.3.1enisa_euvdEU
Elastic Kibana≤ 9.0.0 ≤9.2.6enisa_euvdEU
elastic kibana8.0.0 → 8.19.13nvdUScpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*
elastic kibana9.0.0 → 9.2.7nvdUScpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*
elastic kibana9.3.0 → 9.3.2nvdUScpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-0805Kibana: Mehrere SchwachstellenDeutsch2026-03-19csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Kibana ausnutzen, um Daten zu manipulieren und um einen Denial-of-Service-Zustand auszulösen.

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd NVD CVE.org MITRE

published 2026-03-19modified 2026-06-17

references (5)

External citations — patches, advisories, analysis.

scry

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