Discourse: Hidden post revisions leak through adjacent visible diffs
13Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 5.3epss 0.5%
probabilidad de explotación
0.5%top 55% de las CVE
explotación observada
noninguna fuente lo reporta
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 · discourseReferencias
https://github.com/discourse/discourse/commit/1f26c1163ce87a2abbd1d01780ab1b5fb16e75f6https://github.com/discourse/discourse/commit/8b773332b0f937dfcd894ed56d56fc5a81578d9dhttps://github.com/discourse/discourse/commit/8d36da1b68c906592abde3f2e94d505cdf097435https://github.com/discourse/discourse/commit/d58988d46bb1019bfa8b8330ae81a1a134e08511https://github.com/discourse/discourse/releases/tag/v2026.1.5https://github.com/discourse/discourse/releases/tag/v2026.4.2https://github.com/discourse/discourse/releases/tag/v2026.5.1https://github.com/discourse/discourse/releases/tag/v2026.6.0https://github.com/discourse/discourse/security/advisories/GHSA-q456-4f8q-42vx