Dashboard / CVE-2026-18697

CVE-2026-18697

HIGH
MEDIUM Priority: 0.04 BB Relevance: 77/100
Published: 2026-08-11 Modified: 2026-10-23 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction

CVSS Vector Breakdown

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

Description

An issue in MongoDB Server's aggregation framework could allow an unauthenticated party to cause a mongos (router) process to terminate unexpectedly by submitting a specially formed aggregation command. This could result in a denial of service, disrupting client connections routed through the affected mongos instance.

Weakness Classification (1)

Affected Software (7)

VendorProductVersion
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 9.0.0
mongodb mongodb 9.1.0

References & Advisories (1)

https://jira.mongodb.org/browse/SERVER-130110
Vendor Advisory Issue Tracking

Bug Bounty Relevance

77 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

8.7 / 10.0 v4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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

0.44%
Raw Score 0.004400
Percentile 38.2%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00440
2026-10-28
0.00440

Intelligence Sources

nvd ref →

External Links