Discourse is an open source discussion platform. Prior to versions 2025.12.2, 2026.1.1, and 2026.2.0, SQL injection in PM tag filtering (`list_private_messages_tag`) allows bypassing tag filter conditions, potentially disclosing unauthorized private message metadata. Versions 2025.12.2, 2026.1.1, and 2026.2.0 patch the issue. No known workarounds are available.
Advisories

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Fixes

Solution

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Workaround

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History

Thu, 26 Feb 2026 20:30:00 +0000

Type Values Removed Values Added
Description Discourse is an open source discussion platform. Prior to versions 2025.12.2, 2026.1.1, and 2026.2.0, SQL injection in PM tag filtering (`list_private_messages_tag`) allows bypassing tag filter conditions, potentially disclosing unauthorized private message metadata. Versions 2025.12.2, 2026.1.1, and 2026.2.0 patch the issue. No known workarounds are available.
Title Discourse has SQL injection in PM tag filtering
Weaknesses CWE-89
References
Metrics cvssV4_0

{'score': 4.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-02-26T19:52:54.619Z

Reserved: 2026-02-18T00:18:53.961Z

Link: CVE-2026-27149

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-02-26T21:28:54.193

Modified: 2026-02-26T21:28:54.193

Link: CVE-2026-27149

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses