This page tracks the Ubuntu fix status. The vulnerability itself is described on the main CVE page. View CVE-2026-18704 →

UBUNTU-CVE-2026-18704

An issue in MongoDB Server's aggregation framework could allow an authenticated user with only read privileges to perform write operations against col...

Original description

The description as published by the source.

An issue in MongoDB Server's aggregation framework could allow an authenticated user with only read privileges to perform write operations against collections they should not be able to modify. This is due to an internal-use aggregation stage being reachable by external clients without an appropriate authorization check on its embedded operations.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Ubuntu:Pro:14.04:LTS mongodb

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:Pro:16.04:LTS mongodb

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:Pro:18.04:LTS mongodb

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:Pro:20.04:LTS mongodb

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

References

report ubuntu.com
report cve.org