CVE-2026-8202
MEDIUMPost-authentication CPU utilization DoS via $trim/$ltrim/$rtrim operators
Title source: cnaDescription
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.
References (1)
Core 1
Core References
Issue Tracking issue-tracking
https://jira.mongodb.org/browse/SERVER-120668
Scores
CVSS v3
4.3
EPSS
0.0024
EPSS Percentile
14.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-770
Status
published
Products (5)
mongodb/mongodb
7.0.0 - 7.0.34
MongoDB, Inc./MongoDB Server
7.0 - 7.0.34
MongoDB, Inc./MongoDB Server
8.0 - 8.0.23
MongoDB, Inc./MongoDB Server
8.2 - 8.2.9
MongoDB, Inc./MongoDB Server
8.3 - 8.3.2
Published
May 13, 2026
Tracked Since
May 13, 2026