CVE-2026-119763

MEDIUM 5.3

changelog.com before commit 7b35e829 Missing Authorization via Preview Routes

CVSS Score

5.3

EPSS Score

0.0%

EPSS Percentile

0th

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before commit 7b35e829 contains a missing authorization vulnerability that allows unauthenticated attackers to read unpublished content via preview routes in PostController, NewsIssueController and NewsItemController.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.

CWE	CWE-862
Vendor	thechangelog
Product	changelog.com
Published	Oct 30, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Affected Versions

thechangelog / changelog.com

0 < 7b35e82934be93e8b0064299a611c98d55b3e0eb

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/thechangelog/changelog.com/issues/581 hackmd.io: https://hackmd.io/@hieund/changelog-com-preview-unpublished-content-missing-authz github.com: https://github.com/thechangelog/changelog.com/commit/7b35e82934be93e8b0064299a611c98d55b3e0eb github.com: https://github.com/thechangelog/changelog.com/blob/73fdd9e19cb609573f9cd8ed195cd9abaeb24f8a/lib/changelog_web/controllers/post_controller.ex#L48-L49 github.com: https://github.com/thechangelog/changelog.com vulncheck.com: https://www.vulncheck.com/advisories/changelog-com-before-commit-7b35e829-missing-authorization-via-preview-routes

Credits

hieuPenguinnn