CVE-2026-82061

highpriority · track · 0EPSS 0.005 · 44 %ileDEUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.53% (44th) EPSS

CVSS 8.1 · high

Is it mine?

8 products

Check your exposure

Who says so?

3 sources

cert_bund · nvd · osv

EPSS · scored 2026-10-27

A use-after-free security issue exists in the server's query execution memory tracking subsystem. An authenticated user with read privileges can trigger a write to freed heap memory through a sequence of standard database commands, leading to server process crash or potential memory corruption. No user interaction is required.

cvss

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

8.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.1–8.1

v3.18.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:Hsecondary · cna@mongodb.comexploitability 2.8 · impact 5.2

v4.07.2highCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/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

v4.05.1mediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/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-416US

affected products (8)

Products and version ranges known to be affected.

Open Source MongoDB Server <7.0.41all versionscert_bundDE
Open Source MongoDB Server <8.0.30all versionscert_bundDE
Open Source MongoDB Server <8.3.9all versionscert_bundDE
Open Source MongoDB≤ Server <8.0.30cert_bundDE
Open Source MongoDB≤ Server <7.0.41cert_bundDE
Open Source MongoDB≤ Server <8.3.9cert_bundDE
mongodb mongodb8.3.0 → 8.3.9nvdUScpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:*
Bitnami mongodb8.3.0 → 8.3.9osvUSpkg:bitnami/mongodb

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-3236MongoDB Server: Mehrere SchwachstellenDeutsch2026-09-08csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in MongoDB Server ausnutzen, um erweiterte Berechtigungen, einschließlich Administratorrechte, zu erlangen und beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, Daten zu manipulieren oder offenzulegen oder einen Denial-of-Service-Zustand auszulösen.
BIT-mongodb-2026-82061Use-After-Free in MongoDB Server Query Execution Memory Tracking Subsystem Leads to Denial of Service2026-09-17vendor · osvUS
A use-after-free security issue exists in the server's query execution memory tracking subsystem. An authenticated user with read privileges can trigger a write to freed heap memory through a sequence of standard database commands, leading to server process crash or potential memory corruption. No user interaction is required.

sources

Which sources assert this record, and when.

cert_bund nvd osv NVD CVE.org MITRE

published 2026-09-08modified 2026-09-16

references (1) nvd

External citations — patches, advisories, analysis.

https://jira.mongodb.org/browse/SERVER-130907Vendor AdvisoryIssue Tracking

scry

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