CVEvulnerability

CVE-2026-18687

7.1 HIGH Published 2026-08-11 Modified 2026-10-23 Official page ↗
Status
Analyzed
Published
2026-08-11
Last modified
2026-10-23
Assigner
[email protected]
CVSS 4.0 ([email protected])
7.1 HIGH — 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
CVSS 3.1 ([email protected])
7.1 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
Weaknesses
CWE-191

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 configurations

• mongodb mongodb (>= 8.0.0 < 8.0.29) • mongodb mongodb (>= 8.2.0 <= 8.2.12) • mongodb mongodb (>= 8.3.0 < 8.3.8) • mongodb mongodb 9.0.0 • mongodb mongodb 9.1.0

Related

Weakness · CWE (1)

  • CWE-191 Integer Underflow (Wrap or Wraparound) weakness

References