Vulnerability

CVE-2026-9735

Medium· 5.5CVSS5.5EPSS0%

.rules3/5

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 redac

Threat signal

55/100

Elevated

Severity

medium

CVSS

5.5

EPSS

Active

CVSS

v3.1via NVDOpen in FIRST calculator →

5.5/ 10MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack VectorLocalRequires local access — shell, console, or local app.
Attack ComplexityLowNo special conditions — exploit works reliably.
Privileges RequiredLowStandard user privileges sufficient.
User InteractionNoneFully automated — no victim action needed.
ScopeUnchangedImpact contained to the vulnerable component.
Confidentiality ImpactHighTotal disclosure of sensitive data.
Integrity ImpactNoneNo integrity impact.
Availability ImpactNoneNo availability impact.

EPSS

Exploit prediction · 30-day horizonFIRST.org →

0.02%

probability of exploitation in next 30 days

higher than 4% of all CVEs

3-day trend↑ 0pp

Low exploitation likelihood — defer if no other signals fire.

Vendor VEX

No VEX statements published for CVE-2026-9735. Vendors publish VEX (Vulnerability Exploitability eXchange) to assert per-product whether a CVE is actually exploitable in their distribution.

SSVCDefer

No exploitation, limited impact or prevalence

exploitation: none
automatable: no
impact: partial
mission: support

Lifecycle

2026-06-09Published
2026-06-10Last modified1 source

References

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

No source-event history recorded yet. New revisions will appear here as ingestors re-fetch this CVE.