Known Vulnerabilities for Activitypub by Automattic

Listed below are 5 of the newest known vulnerabilities associated with "Activitypub" by "Automattic".

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-2026-73211 json PeerTube is an ActivityPub-federated video streaming platform. Prior to 8.1.6, ActorFollowModel.updateScore() interpolates th... Not Provided 2026-08-11 2026-08-11
CVE-2026-73090 json PeerTube is an ActivityPub-federated video streaming platform. Prior to 8.2.2, processUpdateActivity and processUpdateVideo a... Not Provided 2026-08-11 2026-08-13
CVE-2026-73038 json NodeBB before 4.15.0 contains a stored cross-site scripting vulnerability in the renderEmoji function that fails to escape ta... Not Provided 2026-08-13 2026-08-14
CVE-2026-72916 json Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.4.21, 4.5.14, 4.6.4, and 4.7.0-beta.1,... Not Provided 2026-08-10 2026-08-13
CVE-2026-72915 json Mastodon is a free, open-source social network server based on ActivityPub. From 4.6.0-beta.1 until 4.6.4 and 4.7.0-beta.1, a... Not Provided 2026-08-10 2026-08-11
CVE-2026-72914 json Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.4.21, 4.5.14, 4.6.4, and 4.7.0-beta.1,... Not Provided 2026-08-10 2026-08-11
CVE-2026-62857 json Fedify is a TypeScript library for building federated server apps powered by ActivityPub. From version 1.2.0 through the affe... Not Provided 2026-08-06 2026-08-08
CVE-2026-59825 json Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.4.19 and from 4.5.0 until 4.5.12, Mast... Not Provided 2026-08-18 2026-08-18
CVE-2026-58593 json NodeBB does not bind the claimed author of an inbound ActivityPub object to the authenticated remote actor. The inbound middl... Not Provided 2026-07-01 2026-07-07
CVE-2026-57167 json PeerTube is an ActivityPub-federated video streaming platform. Prior to 8.2.2, server-side-rendered video watch pages embed a... Not Provided 2026-07-10 2026-07-10
Results limited to 10 most recent vulnerabilities

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