CVE-2026-111667CWE-639

CVE-2026-111667

Medium · published October 16, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
22.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
5.3 · 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
EPSS
0.00305 · 22.1th percentile
Weakness
CWE-639 · Authorization Bypass Through User-Controlled Key
Published
2026-10-16T22:17Z
References (4)
https://github.com/getrebuild/rebuild/blob/4.5.0/src/main/java/com/rebuild/web/project/TaskCommentController.java#L37-L62 · [email protected]https://hackmd.io/@hieuPenguinnn/getrebuild-rebuild-project-task-comment-idor · [email protected]https://www.vulncheck.com/advisories/rebuild-through-4.5.0-missing-authorization-via-project-comments-list-endpoint · [email protected]https://hackmd.io/@hieuPenguinnn/getrebuild-rebuild-project-task-comment-idor · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 18 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 16 OCT 17:39Z
    REBUILD through 4.5.0 Missing Authorization via /project/comments/list Endpoint
    cvelistv5
  • 16 OCT 17:39Z
    REBUILD through 4.5.0 Missing Authorization via /project/comments/list Endpoint
    cvelistv5