Dashboard / CVE-2026-18706

CVE-2026-18706

HIGH
MEDIUM Priority: 0.04 BB Relevance: 50/100
Published: 2026-08-11 Modified: 2026-10-23 First seen: 2026-10-29 Status: active

Attack Surface

Network No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: High
PR: High
UI: None
S: X
AT: Present
VC: High
VI: High
VA: High

Description

An issue in MongoDB Server's $graphLookup aggregation stage could allow an authenticated user able to issue aggregation and memory-management commands to cause an internal reference to be used after the underlying memory has been freed. This could result in a server crash or, potentially, execution of unintended code.

Weakness Classification (1)

Affected Software (3)

VendorProductVersion
mongodb mongodb 8.3.0 – 8.3.8
mongodb mongodb 9.0.0
mongodb mongodb 9.0.0

References & Advisories (1)

https://jira.mongodb.org/browse/SERVER-128551
Vendor Advisory Issue Tracking

Bug Bounty Relevance

50 / 100
✓ Network accessible
✓ No user interaction

CVSS Score

7.5 / 10.0 v4.0
CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:N/VC:H/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

EPSS — Exploitation Probability

0.47%
Raw Score 0.004670
Percentile 40.4%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00467
2026-10-28
0.00467

Intelligence Sources

nvd ref →

External Links