VYPR
Unrated severityNVD Advisory· Published Jul 9, 2026· Updated Jul 10, 2026

Discourse: Hidden post revisions leak through adjacent visible diffs

CVE-2026-59828

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.

Affected products

2

Patches

Vulnerability mechanics

References

9

News mentions

0

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