CVE-2026-119763
Received Received - Intake

Unauthenticated Content Exposure in changelog.com via Preview Routes

Publication date: 2026-10-30

Last updated on: 2026-10-30

Assigner: VulnCheck

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before commit 7b35e829 contains a missing authorization vulnerability that allows unauthenticated attackers to read unpublished content via preview routes in PostController, NewsIssueController and NewsItemController.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

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Meta Information

Published
2026-10-30
Last Modified
2026-10-30
Generated
2026-10-30
AI Q&A
2026-10-30
EPSS Evaluated
N/A
NVD
CVE-2026-119763
EUVD
EUVD-2026-114240

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
thechangelog changelog.com 0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

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Executive Summary

This vulnerability in changelog.com allows unauthenticated attackers to access unpublished content through preview routes in specific controllers. By exploiting missing authorization checks, attackers can read draft posts, unsent newsletters, and declined news items by enumerating hashid post IDs, sequential newsletter slugs, or integer news IDs.

Detection Guidance

Check for unauthorized access to preview routes in PostController, NewsIssueController, and NewsItemController. Test endpoints with sequential or predictable IDs (e.g., hashid post IDs, newsletter slugs, integer news IDs) to see if unpublished content is exposed.

Impact Analysis

If you use changelog.com, attackers could access sensitive unpublished content such as draft posts or internal newsletters before they are officially published. This could lead to data leaks, reputational damage, or unauthorized disclosure of proprietary information.

Compliance Impact

This vulnerability could violate data protection regulations like GDPR or HIPAA by exposing unpublished or sensitive content prematurely. Unauthorized access to personal or confidential data may result in compliance breaches, legal penalties, or loss of trust.

Mitigation Strategies

Apply the patch from commit 7b35e829 or later. Restrict access to preview endpoints by implementing authentication. Audit logs for suspicious enumeration attempts against these routes.

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