CVE-2026-84962

mediumpriority · track · 0EPSS 0.002 · 8 %ileDEUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.18% (8th) EPSS

CVSS 4.2 · medium

Is it mine?

10 products

Check your exposure

Who says so?

2 sources

cert_bund · nvd

EPSS · scored 2026-10-28

An unauthorized user with key vault write access may cause an authorized client to issue arbitrary authenticated Google Cloud KMS API calls under the authorized user's identity, escalating database-level access into cloud key control and defeating client-side encryption.

cvss

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

5.7

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 1.9–5.7

v3.14.2mediumCVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:N/A:Nsecondary · cna@mongodb.comexploitability 0.5 · impact 3.6

v4.05.7mediumCVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:P/VC:H/VI:N/VA:N/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

v4.01.9lowCVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:P/VC:H/VI:N/VA:N/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-93US

affected products (10)

Products and version ranges known to be affected.

Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Fedora Linuxall versionscert_bundDEcpe:/o:fedoraproject:fedora:-
Open Source MongoDB≤ C Driver <2.5.2cert_bundDE
Open Source MongoDB≤ C++ Driver <4.5.2cert_bundDE
Open Source MongoDB≤ PHP Driver <2.5.1cert_bundDE
Open Source MongoDB≤ for VS Code <1.17.1cert_bundDE
Open Source MongoDB≤ libmongocrypt <1.20.2cert_bundDE
Open Source MongoDB≤ PHP Driver <1.21.8cert_bundDE
Open Source MongoDB≤ C Driver <1.30.9cert_bundDE
mongodb libmongocrypt< 1.20.2nvdUScpe:2.3:a:mongodb:libmongocrypt:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-3209MongoDB: Mehrere SchwachstellenDeutsch2026-09-06csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in MongoDB ausnutzen, um einen Denial of Service zu verursachen, Daten zu manipulieren, Informationen offenzulegen oder beliebige Befehle über die MongoDB-Erweiterung für Visual Studio Code auszuführen.

sources

Which sources assert this record, and when.

cert_bund nvd NVD CVE.org MITRE

published 2026-09-03modified 2026-09-03

references (1) nvd

External citations — patches, advisories, analysis.

https://jira.mongodb.org/browse/MONGOCRYPT-960

scry

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