CVE-2026-111667

Medium

Description

REBUILD through 4.5.0 contains a missing authorization vulnerability in TaskCommentController.commentList that allows authenticated low-privileged users to read task comments without project membership checks. Attackers can supply the id of a task in a private project to the /project/comments/list endpoint to retrieve its comment content and attachment references.

SeverityMedium

CVSS4.3

Exploit probability—

ProductRebuild

PublishedOct 16, 2026

First seenOct 16, 2026

Weakness typeCWE-639Authorization bypass through user-controlled key

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

Product	Affected versions	Fixed in
getrebuild rebuild	v ≤ 4.5.0	—

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