CVE-2026-111667
REBUILD through 4.5.0 Missing Authorization via /project/comments/list Endpoint
- State
- Published
- Severity
- 5.3 Medium
- Published
- Oct 16, 2026
- Updated
- Oct 16, 2026
- Reserved
- Oct 16, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 4.3 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N | VulnCheck |
Weaknesses
- CWE-639 Authorization Bypass Through User-Controlled Key
Affected Products
| Product | Versions |
|---|---|
rebuildgetrebuild |
|
References
- https://hackmd.io/@hieuPenguinnn/getrebuild-rebuild-project-task-comment-idorthird-party-advisory
- https://github.com/getrebuild/rebuild/blob/4.5.0/src/main/java/com/rebuild/web/project/TaskCommentController.java#L37-L62technical-description
- VulnCheck Advisory: REBUILD through 4.5.0 Missing Authorization via /project/comments/list Endpointthird-party-advisory
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