CVE-2026-125372 · Other
NO FIX YET · SEE WHAT TO DO
REBUILD versions before 4.5.3 fail to apply privilege filtering in the feed details and comments endpoints. An attacker with a logged-in account can step through sequential IDs to read private or team-scoped feeds, images, attachments and comments.
first public Nov 10, 2026 · 1 source
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Any REBUILD deployment before 4.5.3 is exposed to logged-in users, since the flaw is an authorization bypass on the feed detail and comment endpoints. Teams that run REBUILD internally with trusted users only face lower practical risk, but private team content is still readable by any account. Installations already on 4.5.3 or later are not affected.
Not affected if version-4.5.3-or-later
Who cares rebuild, self-hosted
4.5.3 are affected.FeedsListController fetchDetails and fetchComments are reachable by ordinary user accounts.4.5.3 or later.REBUILD before 4.5.3 contains an authorization bypass vulnerability in FeedsListController fetchDetails and fetchComments that skips privilege filtering and FeedsHelper.checkReadable checks. Authenticated attackers can enumerate sequential IDs via the feeds-details and comments-list endpoints to read private or team-scoped feed content, images, attachments and comments.
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