CVE-2026-33185 | BDVDB-2026-323910 Detail

Description#

Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.3, 2026.2.0-latest to before 2026.2.2, and 2026.3.0-latest to before 2026.3.0, the group email settings test endpoint could be used to make the server initiate outbound connections to arbitrary hosts and ports. This could allow probing of internal network infrastructure. The endpoint was accessible to non-staff group owners. This issue has been patched in versions 2026.1.3, 2026.2.2, and 2026.3.0.

Impact#

Weaknesses#

References#

Exploit#

History#

1. Version 12026-03-31Record published in the CVE List.
2. Version 22026-04-01Most recent update recorded in the CVE List.