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P4
CVE-2026-114655: libmongocrypt 1.0.0 to before 1.21.1
CVE-2026-114655. CVSS 3.1 base score 5.9 (MEDIUM, Vendor/CNA).
Affected technology
libmongocrypt · 1.0.0 to before 1.21.1
MongoDB
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · Low privileges required · No user interaction required
What an attacker can do
A user with write access to the key vault collection can alter the structure of these requests, including adding members to request bodies and token claims that the library then signs with the application's credentials. Vendor/CNA’s CVSS 4.0 assessment (base score 6.0/10) rates confidentiality impact as high; integrity impact as low; availability impact as none.
- CWE
- CWE-74
- CCR priority
- 23.6 /100 (P4)
- CVSS 3.1
- 5.9 /10 · CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N · Vendor/CNA
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-22 21:33:20.763056+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-114655.html