Known Vulnerabilities for Discourse-activity-pub by Discourse

Listed below are 4 of the newest known vulnerabilities associated with "Discourse-activity-pub" by "Discourse".

These CVEs are retrieved based on exact matches on listed software, hardware, and vendor information (CPE data) as well as a keyword search to ensure the newest vulnerabilities with no officially listed software information are still displayed.

Data on known vulnerable versions is also displayed based on information from known CPEs

Known Vulnerabilities

CVE Shortened Description Severity Publish Date Last Modified
CVE-2026-91119 json Discourse is an open-source discussion platform. Prior to 2026.1.8, 2026.6.3, 2026.7.2, and 2026.8.0, the topic small-action ... Not Provided 2026-09-24 2026-09-28
CVE-2026-59830 json Discourse is an open-source discussion platform. Prior to 2026.7.0, the post action component failed to escape user-controlle... Not Provided 2026-09-21 2026-09-22
CVE-2026-55704 json Discourse is an open-source discussion platform. Prior o 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0, users who were allowed t... Not Provided 2026-08-17 2026-08-17
CVE-2026-55103 json Discourse ActivityPub adds ActivityPub support to Discourse. Prior to commit 1c8518b0f2abdf31cbea3e0b242f74d8994a9ba5, inboun... Not Provided 2026-10-15 2026-10-15

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