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MongoDBCVE-2026-13061

MongoDB Server: improper authorization

Medium5.3CVE-2026-13061 · Published Jul 22, 2026 · updated Aug 5, 2026

An authenticated user may be able to view session metadata belonging to other users on the system through the $listSessions aggregation stage. This information is normally restricted to users with cluster-level administrative privileges, and includes active session identifiers, associated usernames, and activity timestamps.

MongoDB advisory

Affected versions

PackageAffectedFixed in
MongoDB Server
Product
>= 7.0, < 7.0.397.0.39
>= 8.0, < 8.0.288.0.28
>= 8.3.0, < 8.3.78.3.7
Details and references
CVSS 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/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
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-863

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