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.
References (1)
Core 1
Core References
Vendor Advisory x_refsource_confirm
https://github.com/discourse/discourse/security/advisories/GHSA-m6qf-h49w-h38w
Scores
CVSS v3
6.5
EPSS
0.0005
EPSS Percentile
16.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-89
Status
published
Products (2)
discourse/discourse
2026.2.0
discourse/discourse
< 2025.12.2
Published
Feb 26, 2026
Tracked Since
Feb 27, 2026