CVEvulnerability

CVE-2026-18709

5.9 MEDIUM 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])
5.9 MEDIUM — 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/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])
6.4 MEDIUM — CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H
Weaknesses
CWE-862

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.

Affected configurations

• mongodb mongodb (>= 7.0.0 < 7.0.40) • 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-862 Missing Authorization weakness

References