Detections
Analytics

CVE-2026-18709

medium

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.

References

https://jira.mongodb.org/browse/SERVER-130544

Details

Source: Mitre, NVD

Published: 2026-08-11

Updated: 2026-08-11

Risk Information

CVSS v2

Base Score: 5.9

Vector: CVSS2#AV:A/AC:H/Au:S/C:N/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 6.4

Vector: CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H

Severity: Medium

CVSS v4

Base Score: 5.9

Vector: CVSS:4.0/AV:A/AC:H/AT:P/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N

Severity: Medium

EPSS

EPSS: 0.00141