CVE-2026-8202

🔶 medium

Summary

Using a densely populated chars mask and a large input string in the MongoDB aggregation operators $trim, $ltrim, and $rtrim, an authenticated user with aggregation permissions can pin CPU utilization at 100% for an extended period of time. This issue impacts MongoDB Server v7.0 versions prior to 7.0.34, v8.0 versions prior to 8.0.23, v8.2 versions prior to 8.2.9 and v8.3 versions prior to 8.3.2.

CVSS Score

4.3

Medium

EPSS Score

0.0

Exploit Probability

Published Date

2026-05-13

First Seen: 2026-05-19

📊 Relative Risk Intelligence

This CVE is Lower Risk - more severe than 5.3% of all 365,890 vulnerabilities in our database.

#346,355

Below average severity

Severity Percentile

🎯 CISA SSVC Assessment Updated: May 13, 2026

🔍 Exploitation Status

None

No known exploits

⚙️ Automatable

Requires human interaction

💥 Technical Impact

Partial

Limited system impact

SSVC data provided by CISA

Last Modified 2026-05-18

Source NVD 🔗

CVSS Vector 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CVSS Vector 4.0

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/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:X

CWE IDs (Weakness Types)

CWE-770

📦 Affected Products 4

Vendor	Product	Status	Affected Versions
mongodb	mongodb	Affected	> 7.0.0 < 7.0.34
mongodb	mongodb	Affected	> 8.0.0 < 8.0.23
mongodb	mongodb	Affected	> 8.2.0 < 8.2.9
mongodb	mongodb	Affected	> 8.3.0 < 8.3.2

🔗 References 1

https://jira.mongodb.org/browse/SERVER-120668

Issue Tracking Vendor Advisory

🔗 Related CVEs 6

CVE ID	Severity	CVSS	EPSS	Summary	Published
CVE-2026-89099	⚠️ high	7.5	0.3	A race condition in the document value layer of MongoDB Server can allow concurrent server threads to operate on the sam...	2026-09-11
CVE-2026-82052	🔶 medium	6.5	0.4	The $regexFindAll expression can be used by an authenticated user who can run aggregation pipeline stages to crash a Mon...	2026-09-08
CVE-2026-82053	⚠️ high	8.1	0.2	A security issue exists in MongoDB's LDAP authorization integration where pooled LDAP connections can retain stale authe...	2026-09-08
CVE-2026-82054	🔶 medium	6.5	0.3	A security issue exists in MongoDB server's JSON Pointer parser used during $jsonSchema query filter processing. When a ...	2026-09-08
CVE-2026-82055	🔶 medium	6.5	0.3	A security issue exists in MongoDB's 2dsphere index key generation that can cause a server crash due to a null pointer d...	2026-09-08
CVE-2026-82056	🔶 medium	5.3	0.3	A race condition in MongoDB server's text index query parsing can cause a heap use-after-free read when handling upsert ...	2026-09-08

These CVEs affect the same products