CVE-2026-56150

highpriority · track · 30EPSS 0.005 · 41 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.48% (41st) EPSS

CVSS 7.5 · high

Is it mine?

10 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

Allocation of Resources Without Limits or Throttling (CWE-770) in Fleet Server can lead to a denial of service via Excessive Allocation (CAPEC-130). An attacker can submit a specially crafted request to an upload endpoint that causes excessive memory consumption, which may render Fleet Server unavailable.

cvss

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

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.5–7.5

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · 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

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/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-770US

affected products (10)

Products and version ranges known to be affected.

Open Source Fleet Server <8.19.11all versionscert_bundDE
Open Source Fleet Server <9.2.5all versionscert_bundDE
Open Source Fleet Server <9.3.0all versionscert_bundDE
Open Source Fleet≤ Server <8.19.11cert_bundDE
Open Source Fleet≤ Server <9.2.5cert_bundDE
Open Source Fleet≤ Server <9.3.0cert_bundDE
Elastic Fleet Server≤ 8.0.0 ≤8.19.10enisa_euvdEU
Elastic Fleet Server≤ 9.0.0 ≤9.2.4enisa_euvdEU
elastic fleet server8.0.0 → 8.19.11nvdUScpe:2.3:a:elastic:fleet_server:*:*:*:*:*:*:*:*
elastic fleet server9.0.0 → 9.2.5nvdUScpe:2.3:a:elastic:fleet_server:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-2168Fleet: Schwachstelle ermöglicht Denial of ServiceDeutsch2026-07-01csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Fleet ausnutzen, um einen Denial of Service Angriff durchzuführen.

also known as (3)

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 2026-07-01modified 2026-10-25

references (3)

External citations — patches, advisories, analysis.

scry

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