Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, an unauthenticated attacker can cause a legitimate Discourse authorization page to display an attacker-controlled domain, facilitating social engineering attacks against users. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.
Metrics
Affected Vendors & Products
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Advisories
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Fixes
Solution
No solution given by the vendor.
Workaround
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References
History
Sat, 21 Mar 2026 05:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, an unauthenticated attacker can cause a legitimate Discourse authorization page to display an attacker-controlled domain, facilitating social engineering attacks against users. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available. | |
| Title | Discourse Authorization Page Displays Unvalidated Redirect Domain | |
| Weaknesses | CWE-862 | |
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| Metrics |
cvssV4_0
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Projects
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MITRE
Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-03-20T23:20:03.149Z
Reserved: 2026-03-19T18:45:22.434Z
Link: CVE-2026-33427
Vulnrichment
No data.
NVD
Status : Received
Published: 2026-03-21T00:16:27.330
Modified: 2026-03-21T00:16:27.330
Link: CVE-2026-33427
Redhat
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OpenCVE Enrichment
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Weaknesses