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CVE-2026-18687

nvd nist
Published: Aug 11, 2026Modified: Sep 16, 2026

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7.1
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/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:X
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CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/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:XShow less
Source: CNA (Secondary)

Description

MongoDB Server's handling of a Queryable Encryption maintenance operation did not properly validate certain request parameters against the collection's encrypted field configuration before use. An authenticated user with readWrite privileges could submit a specially formed request that leads to a server crash or excessive internal writes, resulting in resource exhaustion and corruption of encrypted index data.

Affected (6)

Products: Mongodb: Mongodb
Mongodb
1 product
Mongodb
Configuration A
6 vulnerable
Vulnerable SoftwareAffected Versions
Mongodb
Mongodb
8.0.0 ≤ version < 8.0.29
Mongodb
8.2.0 ≤ version ≤ 8.2.12
Mongodb
8.3.0 ≤ version < 8.3.8
Mongodb
Version 9.0.0 alpha0
Mongodb
Version 9.0.0 alpha1
Mongodb
Version 9.1.0 alpha0

Related CWEs

CWE-191
Integer Underflow (Wrap or Wraparound)
The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.

References (1)

Source: cna@mongodb.com
Vendor Advisory

Timeline

No history available yet.