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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2026-59828 Detail

Description

Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, post revisions that should be hidden from regular users could be leaked through visible diffs on adjacent revisions serialized by PostRevisionSerializer. This issue is fixed in versions 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://github.com/discourse/discourse/commit/1f26c1163ce87a2abbd1d01780ab1b5fb16e75f6 GitHub, Inc.
https://github.com/discourse/discourse/commit/8b773332b0f937dfcd894ed56d56fc5a81578d9d GitHub, Inc.
https://github.com/discourse/discourse/commit/8d36da1b68c906592abde3f2e94d505cdf097435 GitHub, Inc.
https://github.com/discourse/discourse/commit/d58988d46bb1019bfa8b8330ae81a1a134e08511 GitHub, Inc.
https://github.com/discourse/discourse/releases/tag/v2026.1.5 GitHub, Inc.
https://github.com/discourse/discourse/releases/tag/v2026.4.2 GitHub, Inc.
https://github.com/discourse/discourse/releases/tag/v2026.5.1 GitHub, Inc.
https://github.com/discourse/discourse/releases/tag/v2026.6.0 GitHub, Inc.
https://github.com/discourse/discourse/security/advisories/GHSA-q456-4f8q-42vx GitHub, Inc.

Weakness Enumeration

CWE-ID CWE Name Source
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor GitHub, Inc.  

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-59828
NVD Published Date:
07/09/2026
NVD Last Modified:
07/09/2026
Source:
GitHub, Inc.