CVE-2026-33185
Discourse: Group SMTP test endpoint susceptible to SSRF
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-918 |
| Vendor | discourse |
| Product | discourse |
| Published | Mar 31, 2026 |
| Last Updated | Apr 1, 2026 |
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Affected Versions
discourse / discourse
>= 2026.1.0-latest, < 2026.1.3 >= 2026.2.0-latest, < 2026.2.2 >= 2026.3.0-latest, < 2026.3.0