CVE-2026-126838

MEDIUM
MEDIUM Priority: 0.00 BB Relevance: 36/100
Published: 2026-11-12 Modified: 2026-11-13 First seen: 2026-11-12 Status: active

Attack Surface

Low Complexity No Interaction Conf. Impact

CVSS Vector Breakdown

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

Description

A MongoDB Rust Driver component that holds client-side field level encryption settings includes key management service credential material in its diagnostic formatting output without redaction. An application that records or displays this formatted output may place that material where a party with read access to the application's diagnostic output can see it, which may result in unintended disclosure of key material.

Affected Software (30)

VendorProductVersion
MongoDB Rust Driver 3.9.0 < 3.9.1
MongoDB Rust Driver 3.8.0 < 3.8.2
MongoDB Rust Driver 3.7.0
MongoDB Rust Driver 3.6.0
MongoDB Rust Driver 3.5.0 < 3.5.2
MongoDB Rust Driver 3.4.0 < 3.4.1
MongoDB Rust Driver 3.3.0
MongoDB Rust Driver 3.2.0 < 3.2.5
MongoDB Rust Driver 3.1.0 < 3.1.1
MongoDB Rust Driver 3.0.0 < 3.0.1
MongoDB Rust Driver 2.8.0 < 2.8.2
MongoDB Rust Driver 2.7.0 < 2.7.1
MongoDB Rust Driver 2.6.0 < 2.6.1
MongoDB Rust Driver 2.5.0
MongoDB Rust Driver 2.4.0
MongoDB Rust Driver 3.9.0 < 3.9.1
MongoDB Rust Driver 3.8.0 < 3.8.2
MongoDB Rust Driver 3.7.0
MongoDB Rust Driver 3.6.0
MongoDB Rust Driver 3.5.0 < 3.5.2
MongoDB Rust Driver 3.4.0 < 3.4.1
MongoDB Rust Driver 3.3.0
MongoDB Rust Driver 3.2.0 < 3.2.5
MongoDB Rust Driver 3.1.0 < 3.1.1
MongoDB Rust Driver 3.0.0 < 3.0.1
MongoDB Rust Driver 2.8.0 < 2.8.2
MongoDB Rust Driver 2.7.0 < 2.7.1
MongoDB Rust Driver 2.6.0 < 2.6.1
MongoDB Rust Driver 2.5.0
MongoDB Rust Driver 2.4.0

References & Advisories (1)

Bug Bounty Relevance

36 / 100
✓ Low complexity
✓ No user interaction

CVSS Score

5.7 / 10.0 v4.0
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/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

0.07%
Raw Score 0.000730
Percentile 0.1%
Date 2026-11-14

EPSS Trend

2026-11-14
0.00073
2026-11-13
0.00073

Intelligence Sources

mitre ref →
nvd ref →