Dashboard / CVE-2026-13055

CVE-2026-13055

HIGH
MEDIUM Priority: 0.03 BB Relevance: 64/100
Published: 2026-07-22 Modified: 2026-10-24 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Interaction

CVSS Vector Breakdown

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

Description

The `$_internalIndexKey` aggregation expression can be used by any authenticated user to crash a MongoDB server (mongod). The expression fails to handle compound wildcard index specifications, triggering an internal consistency check that aborts the server process. The user must be able to run an aggregation pipeline.

Weakness Classification (1)

Affected Software (4)

VendorProductVersion
mongodb mongodb 7.0.0 – 7.0.39
mongodb mongodb 8.0.0 – 8.0.28
mongodb mongodb 8.2.0 – 8.2.12
mongodb mongodb 8.3.0 – 8.3.7

References & Advisories (1)

https://jira.mongodb.org/browse/SERVER-123081
Vendor Advisory Issue Tracking

Bug Bounty Relevance

64 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

7.1 / 10.0 v4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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:Y/R:A/V:X/RE:X/U:X

EPSS — Exploitation Probability

0.40%
Raw Score 0.004020
Percentile 34.4%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00402
2026-10-28
0.00402

Intelligence Sources

nvd ref →

External Links