CVE-2026-59828

Discourse: Hidden post revisions leak through adjacent visible diffs

CVSS 5.3 MEDIUMCWE-200

Vexday Risk Score

10Bajo

Decisión SSVC (CISA)

Track

Sin señal de explotación → monitorear

CVSS 5.3EPSS —KEV nãoPoC —Nuclei —Metasploit —Patch —

Ciclo de vida

09 jul 2026Publicada en NVD

Recomendación: Monitorear — sin señal de explotación por ahora.

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.

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

Productos afectados

discourse · discourse

Referencias