CVE-2026-4358

highpriority · track · 30EPSS 0.004 · 29 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.36% (29th) EPSS

CVSS 7.5 · high

Is it mine?

33 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

A specially crafted aggregation query with $lookup by an authenticated user with write privileges can cause a double-free or use-after-free memory issue in the slot-based execution (SBE) engine when an in-memory hash table is spilled to disk.

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 · low–high · 2.4–7.5

v3.17.5highCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.6 · impact 5.9

v3.16.4mediumAV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:Hsecondary · FSTEC (BDU) RU

v3.16.4mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:Hsecondary · cna@mongodb.comexploitability 1.6 · impact 4.7

v4.06.1mediumCVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:Nsecondary · ENISA EU

v4.06.1mediumCVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · cna@mongodb.com

v4.02.4lowCVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · 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-415USCWE-415US

affected products (33)

Products and version ranges known to be affected.

Open Source MongoDB <7.0.31all versionscert_bundDE
Open Source MongoDB <8.0.20all versionscert_bundDE
Open Source MongoDB <8.2.6all versionscert_bundDE
Open Source MongoDB <8.3.0-rc0all versionscert_bundDE
Splunk Splunk Enterprise <10.0.7all versionscert_bundDE
Splunk Splunk Enterprise <10.2.4all versionscert_bundDE
Splunk Splunk Enterprise <10.4.0all versionscert_bundDE
Splunk Splunk Enterprise <9.3.13all versionscert_bundDE
Splunk Splunk Enterprise <9.4.12all versionscert_bundDE
Open Source MongoDB< 7.0.31cert_bundDE
Open Source MongoDB< 8.0.20cert_bundDE
Open Source MongoDB< 8.2.6cert_bundDE
Open Source MongoDB< 8.3.0-rc0cert_bundDE
Splunk Splunk Enterprise< 10.0.7cert_bundDE
Splunk Splunk Enterprise< 10.2.4cert_bundDE
Splunk Splunk Enterprise< 10.4.0cert_bundDE
Splunk Splunk Enterprise< 9.3.13cert_bundDE
Splunk Splunk Enterprise< 9.4.12cert_bundDE
MongoDB Inc MongoDB Server7.0 → 7.0.31enisa_euvdEU
MongoDB Inc MongoDB Server8.0 → 8.0.20enisa_euvdEU

showing 20 of 33

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-0773MongoDB: Mehrere SchwachstellenDeutsch2026-03-17csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in MongoDB ausnutzen, um Informationen offenzulegen, und um beliebigen Programmcode auszuführen.
BIT-mongodb-2026-4358Memory safety issues in slot-based execution hash table spill2026-04-06vendor · osvUS
A specially crafted aggregation query with $lookup by an authenticated user with write privileges can cause a double-free or use-after-free memory issue in the slot-based execution (SBE) engine when an in-memory hash table is spilled to disk.

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund osv NVD CVE.org MITRE

published 2026-03-17modified 2026-07-13

references (4)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan