CVE-2026-119763
changelog.com before commit 7b35e829 Missing Authorization via Preview Routes
- State
- Published
- Severity
- 6.9 Medium
- Published
- Oct 30, 2026
- Updated
- Oct 30, 2026
- Reserved
- Oct 30, 2026
Description
changelog.com before commit 7b35e829 contains a missing authorization vulnerability that allows unauthenticated attackers to read unpublished content via preview routes in PostController, NewsIssueController and NewsItemController. Attackers can enumerate hashid post IDs, sequential newsletter slugs and integer news IDs against preview endpoints to read draft posts, unsent newsletters and declined news items.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N | VulnCheck |
Weaknesses
- CWE-862 Missing Authorization
Affected Products
| Product | Versions |
|---|---|
changelog.comthechangelog |
|
References
- https://github.com/thechangelog/changelog.com/issues/581issue-tracking
- https://hackmd.io/@hieund/changelog-com-preview-unpublished-content-missing-authzthird-party-advisory
- https://github.com/thechangelog/changelog.com/commit/7b35e82934be93e8b0064299a611c98d55b3e0ebpatch
- https://github.com/thechangelog/changelog.com/blob/73fdd9e19cb609573f9cd8ed195cd9abaeb24f8a/lib/changelog_web/controllers/post_controller.ex#L48-L49technical-description
- https://github.com/thechangelog/changelog.comproduct
- VulnCheck Advisory: changelog.com before commit 7b35e829 Missing Authorization via Preview Routesthird-party-advisory
- https://hackmd.io/@hieund/cve-2026-119763-changelog-com-preview-unpublished-content-missing-authzexploit
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