CVE-2026-33185

N/A

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.

CVE Details

CVSS v3.1 ScoreN/A

Published3/31/2026

Last Modified4/1/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-918

References

https://github.com/discourse/discourse/commit/e75cf456e8e318290c569bd6e8fa0f2586ffc530(security-advisories@github.com)

https://github.com/discourse/discourse/security/advisories/GHSA-5976-77mj-m4h3(security-advisories@github.com)

IOC Correlations

No correlations recorded

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