9 matches found
BIT-MASTODON-2026-25540 Mastodon's signature-dependent ActivityPub collection responses cached under signature-independent keys (Web Cache Poisoning via `Rails.cache`)
Mastodon is a free, open-source social network server based on ActivityPub. Prior to versions 4.3.19, 4.4.13, 4.5.6, Mastodon is vulnerable to web cache poisoning via Rails.cache. When AUTHORIZEDFETCH is enabled, the ActivityPub endpoints for pinned posts and featured hashtags have contents that...
CVE-2026-25540
Mastodon is a free, open-source social network server based on ActivityPub. Prior to versions 4.3.19, 4.4.13, 4.5.6, Mastodon is vulnerable to web cache poisoning via Rails.cache. When AUTHORIZEDFETCH is enabled, the ActivityPub endpoints for pinned posts and featured hashtags have contents that...
CVE-2026-25540
Mastodon is a free, open-source social network server based on ActivityPub. Prior to versions 4.3.19, 4.4.13, 4.5.6, Mastodon is vulnerable to web cache poisoning via Rails.cache. When AUTHORIZEDFETCH is enabled, the ActivityPub endpoints for pinned posts and featured hashtags have contents that...
CVE-2026-25540
Mastodon prior to versions 4.3.19, 4.4.13, and 4.5.6 is vulnerable to web cache poisoning in Rails.cache when AUTHORIZED_FETCH is enabled. The ActivityPub endpoints for pinned posts and featured hashtags cache responses that depend on the signer’s account, but the internal cache reuse does not re...
EUVD-2026-5329
Mastodon is a free, open-source social network server based on ActivityPub. Prior to versions 4.3.19, 4.4.13, 4.5.6, Mastodon is vulnerable to web cache poisoning via Rails.cache. When AUTHORIZEDFETCH is enabled, the ActivityPub endpoints for pinned posts and featured hashtags have contents that...
CVE-2026-25540
Mastodon is a free, open-source social network server based on ActivityPub. Prior to versions 4.3.19, 4.4.13, 4.5.6, Mastodon is vulnerable to web cache poisoning via Rails.cache. When AUTHORIZEDFETCH is enabled, the ActivityPub endpoints for pinned posts and featured hashtags have contents that...
CVE-2026-25540 Mastodon's signature-dependent ActivityPub collection responses cached under signature-independent keys (Web Cache Poisoning via `Rails.cache`)
Mastodon is a free, open-source social network server based on ActivityPub. Prior to versions 4.3.19, 4.4.13, 4.5.6, Mastodon is vulnerable to web cache poisoning via Rails.cache. When AUTHORIZEDFETCH is enabled, the ActivityPub endpoints for pinned posts and featured hashtags have contents that...
CVE-2026-25540 Mastodon's signature-dependent ActivityPub collection responses cached under signature-independent keys (Web Cache Poisoning via `Rails.cache`)
Mastodon is a free, open-source social network server based on ActivityPub. Prior to versions 4.3.19, 4.4.13, 4.5.6, Mastodon is vulnerable to web cache poisoning via Rails.cache. When AUTHORIZEDFETCH is enabled, the ActivityPub endpoints for pinned posts and featured hashtags have contents that...
PT-2026-6319
Name of the Vulnerable Software and Affected Versions Mastodon versions prior to 4.3.19 Mastodon versions prior to 4.4.13 Mastodon versions prior to 4.5.6 Description Mastodon, a free, open-source social network server based on ActivityPub, contains a flaw related to web cache poisoning. When the...