Known Vulnerabilities for ActivityPub by Unknown

Listed below are 10 of the newest known vulnerabilities associated with "ActivityPub" by "Unknown".

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-2026-90679 json Forgejo 13.0.0 through 16.0.4, when "[federation] ENABLED = true" is set, has a spoofing issue that affects identity integrit... Not Provided 2026-09-13 2026-09-15
CVE-2026-86112 json BookWyrm through 0.9.1 fails to validate user visibility permissions in the Favorite and Unfavorite views, allowing authentic... Not Provided 2026-09-05 2026-09-10
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
Results limited to 10 most recent vulnerabilities

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