cvedb.io
CVE-2025-49136
CRITICAL · CVSS 9
EPSS exploitation probability: 0%
Published 2025-06-09T17:15:29.917 · Last modified 2026-06-17T09:30:48.450

Summary

listmonk is a standalone, self-hosted, newsletter and mailing list manager. Starting in version 4.0.0 and prior to version 5.0.2, the `env` and `expandenv` template functions which is enabled by default in Sprig enables capturing of env variables on host. While this may not be a problem on single-user (super admin) installations, on multi-user installations, this allows non-super-admin users with campaign or template permissions to use the `{{ env }}` template expression to capture sensitive environment variables. Users should upgrade to v5.0.2 to mitigate the issue.

Affected products

nadh — listmonk

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.