CVE-2026-119763: medium-severity vulnerability in thechangelog changelog.com
changelog.com before commit 7b35e829 Missing Authorization via Preview Routes
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 6.9epss 0.5%
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before commit 7b35e829 contains a missing authorization vulnerability that allows unauthenticated attackers to read unpublished content via preview routes in PostController, NewsIssueController and NewsItemController.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.
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
Affected products
thechangelog · changelog.compublic PoCs found — 1
cve_referencehackmd.io/@hieund/cve-2026-119763-changelog-com-preview-unpublished-content-missing-authzunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
References
https://github.com/thechangelog/changelog.comhttps://github.com/thechangelog/changelog.com/blob/73fdd9e19cb609573f9cd8ed195cd9abaeb24f8a/lib/changelog_web/controllers/post_controller.ex#L48-L49https://github.com/thechangelog/changelog.com/commit/7b35e82934be93e8b0064299a611c98d55b3e0ebhttps://github.com/thechangelog/changelog.com/issues/581https://hackmd.io/@hieund/changelog-com-preview-unpublished-content-missing-authzhttps://hackmd.io/@hieund/cve-2026-119763-changelog-com-preview-unpublished-content-missing-authzhttps://www.vulncheck.com/advisories/changelog-com-before-commit-7b35e829-missing-authorization-via-preview-routes