Submit #752161: Wekan <8.21 Information disclosure via publish/subscribe authorization buginfo

TitleWekan <8.21 Information disclosure via publish/subscribe authorization bug
DescriptionThe Meteor publication for individual cards did not adequately ensure the requesting user could view the parent board before returning card data. The fix adds early returns when card/board is missing and enforces board visibility checks prior to publishing card data.
Source⚠️ https://github.com/wekan/wekan/commit/0f5a9c38778ca550cbab6c5093470e1e90cb837f
User
 MegaManSec (UID 94702)
Submission02/04/2026 17:56 (3 months ago)
Moderation02/08/2026 02:06 (3 days later)
StatusAccepted
VulDB entry344919 [WeKan up to 8.20 Meteor Publication cards.js CardPubSubBleed information disclosure]
Points17

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