VULNERABILITY INTELLIGENCE
CVE-2026-18709
CVSS score6.4 MEDIUM
EPSS probability0.19%
CISA KEVNot currently listed
Published2026-08-11
Last modified2026-10-23
CVSS vectorCVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H
Description
An issue in MongoDB Server could allow an authenticated user with direct network access to a shard to improperly commit or abort an in-progress prepared transaction, bypassing the intended transaction coordination process. This could result in cross-shard data inconsistency, cluster clock corruption, and violation of transaction atomicity guarantees.
Weakness classification
- cna@mongodb.com: CWE-862
Primary references
- cna@mongodb.com — Vendor Advisory, Issue Tracking