CVE-2026-9735

🔶 medium

Summary

MongoDB server may log authentication parameters, including credentials, to the server log during SASL authentication. When connection health metric logging is enabled, the full authentication parameters are written to the log without redaction.

CVSS Score

5.5

Medium

EPSS Score

0.1

Exploit Probability

Published Date

2026-06-09

First Seen: 2026-06-10

📊 Relative Risk Intelligence

This CVE is Lower Risk - more severe than 32.5% of all 328,009 vulnerabilities in our database.

#221,257

Below average severity

Severity Percentile

🎯 CISA SSVC Assessment Updated: Jun 10, 2026

🔍 Exploitation Status

None

No known exploits

⚙️ Automatable

Requires human interaction

💥 Technical Impact

Partial

Limited system impact

SSVC data provided by CISA

Last Modified 2026-06-15

Source NVD 🔗

CVSS Vector 3.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVSS Vector 4.0

CVSS:4.0/AV:L/AC:L/AT:N/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

CWE IDs (Weakness Types)

CWE-532

📦 Affected Products 1

Vendor	Product	Status	Affected Versions
mongodb	mongodb	Affected	> 8.3.0 < 8.3.3

🔗 References 1

https://jira.mongodb.org/browse/SERVER-126506

Vendor Advisory

🔗 Related CVEs 6

CVE ID	Severity	CVSS	EPSS	Summary	Published
CVE-2026-9740	⚠️ high	7.5	0.3	A vulnerability in MongoDB Server's BSON validation logic allows an unauthenticated user to crash the mongod process by ...	2026-06-09
CVE-2026-9743	🔶 medium	6.5	0.2	In MongoDB Server 8.0, an aggregation stage can leave its _subPipeline field null during processing of certain pipelines...	2026-06-09
CVE-2026-9747	🔶 medium	6.5	0.2	Adding fromRouter:true and runtimeConstants.userRoles could cause aggregations to crash mongodb server.	2026-06-09
CVE-2026-9748	🔶 medium	6.5	0.3	The $_internalConvertBucketIndexStats stage used PauseExecution as a way to signal "skip this document" when an index st...	2026-06-09
CVE-2026-9750	🔶 medium	6.5	0.3	An authenticated user can cause a MongoDB server to crash or return incorrect results by creating documents that interfe...	2026-06-09
CVE-2026-9751	🔶 medium	5.5	0.1	The ldapQueryPassword parameter, when set through the runtime setParameter command, will log the new password to the mon...	2026-06-09

These CVEs affect the same products