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fix(web): validate mobile reply parents - #2892
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richiemcilroy merged 2 commits intoOct 22, 2026
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the mobile comment endpoint took the reply parent id as given. so someone allowed to comment on one video could reply to a comment from a different video, or to an emoji reaction, which linked comments across videos and could notify that other comment's author. nothing from the parent was exposed.
now a reply's parent has to be a text comment on the same video before anything is written, the same check the v1 and agent reply path already does, and a bad parent gets a 404 with no insert or notification. top level comments are unchanged.


Confidence Score: 5/5
The PR appears safe to merge.Summary
Mobile replies now require a text parent on the same video.
Reviews (1) · Last reviewed commit: "fix(web): validate mobile reply parents" · Reviewed by Greptile