CVE-2026-8843

mediumpriority · track · 0EPSS 0.002 · 15 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.24% (15th) EPSS

CVSS 6.5 · medium

Is it mine?

23 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

Creating a "2dsphere_bucket" index on a non-timeseries bucket collection will succeed, but any subsequent attempt to insert a document which triggers updating that index will crash the server. A similar issue occurs when creating "queryable_encrypted_range" indices. This issue affects MongoDB Server v7.0 versions prior to 7.0.32, v8.0 versions prior to 8.0.21 and v8.2 versions prior to 8.2.6

cvss

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

7.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.9–7.1

v3.16.5mediumAV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hsecondary · cna@mongodb.comexploitability 2.8 · impact 3.6

v4.07.1highCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:Nsecondary · ENISA EU

v4.07.1highCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/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

v4.04.9mediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/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-617USCWE-617US

affected products (23)

Products and version ranges known to be affected.

Open Source MongoDB <7.0.32all versionscert_bundDE
Open Source MongoDB <8.0.21all versionscert_bundDE
Open Source MongoDB <8.2.6all versionscert_bundDE
Open Source MongoDB <8.3.0-rc0all versionscert_bundDE
Open Source MongoDB< 7.0.32cert_bundDE
Open Source MongoDB< 8.0.21cert_bundDE
Open Source MongoDB< 8.2.6cert_bundDE
Open Source MongoDB< 8.3.0-rc0cert_bundDE
MongoDB, Inc. MongoDB Server7.0 → 7.0.32enisa_euvdEU
MongoDB, Inc. MongoDB Server8.0 → 8.0.21enisa_euvdEU
MongoDB, Inc. MongoDB Server8.2 → 8.2.6enisa_euvdEU
MongoDB Inc. MongoDB Server≤ 7.0.32fstec_bduRU
MongoDB Inc. MongoDB Server≤ 8.2.6fstec_bduRU
MongoDB Inc. MongoDB Server≤ 8.3.0-rc0fstec_bduRU
MongoDB Inc. MongoDB Server≤ 8.0.21fstec_bduRU
ООО «Ред Софт» РЕД ОС≤ 7.3fstec_bduRU
ООО «Ред Софт» РЕД ОС≤ 8.0fstec_bduRU
mongodb mongodb7.0.0 → 7.0.32nvdUScpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:*
mongodb mongodb8.0.0 → 8.0.21nvdUScpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:*
mongodb mongodb8.2.0 → 8.2.6nvdUScpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:*

showing 20 of 23

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-1581MongoDB: Schwachstelle ermöglicht Denial of ServiceDeutsch2026-05-18csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in MongoDB ausnutzen, um einen Denial of Service Angriff durchzuführen.
BIT-mongodb-2026-8843Calling createIndex with certain index types can crash mongod2026-09-25vendor · osvUS
Creating a "2dsphere_bucket" index on a non-timeseries bucket collection will succeed, but any subsequent attempt to insert a document which triggers updating that index will crash the server. A similar issue occurs when creating "queryable_encrypted_range" indices. This issue affects MongoDB Server v7.0 versions prior to 7.0.32, v8.0 versions prior to 8.0.21 and v8.2 versions prior to 8.2.6

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd osv NVD CVE.org MITRE

published 2026-05-18modified 2026-10-26

references (5)

External citations — patches, advisories, analysis.

scry

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