CVE-2026-33185

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.
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:discourse:discourse:*:*:*:*:latest:*:*:*
cpe:2.3:a:discourse:discourse:*:*:*:*:latest:*:*:*
cpe:2.3:a:discourse:discourse:2026.3.0:*:*:*:latest:*:*:*
cpe:2.3:a:discourse:discourse:2026.3.0:*:*:*:latest.1:*:*:*

History

09 Apr 2026, 15:51

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 5.0
First Time Discourse
Discourse discourse
CPE cpe:2.3:a:discourse:discourse:2026.3.0:*:*:*:latest.1:*:*:*
cpe:2.3:a:discourse:discourse:*:*:*:*:latest:*:*:*
cpe:2.3:a:discourse:discourse:2026.3.0:*:*:*:latest:*:*:*
References () https://github.com/discourse/discourse/commit/e75cf456e8e318290c569bd6e8fa0f2586ffc530 - () https://github.com/discourse/discourse/commit/e75cf456e8e318290c569bd6e8fa0f2586ffc530 - Patch
References () https://github.com/discourse/discourse/security/advisories/GHSA-5976-77mj-m4h3 - () https://github.com/discourse/discourse/security/advisories/GHSA-5976-77mj-m4h3 - Vendor Advisory

31 Mar 2026, 18:16

Type Values Removed Values Added
New CVE

Information

Published : 2026-03-31 18:16

Updated : 2026-04-09 15:51


NVD link : CVE-2026-33185

Mitre link : CVE-2026-33185

CVE.ORG link : CVE-2026-33185


JSON object : View

Products Affected

discourse

  • discourse
CWE
CWE-918

Server-Side Request Forgery (SSRF)