PT-2026-58903 · Bitnami · Discourse

Published 2026-07-14 · Updated 2026-07-14

OSV

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.

Related Identifiers

BIT-DISCOURSE-2026-59828

Affected Products

Discourse

References · 11

• https://nvd.nist.gov/vuln/detail/CVE-2026-59828 · Security Note
• https://osv.dev/vulnerability/BIT-discourse-2026-59828 · Vendor Advisory
• https://github.com/discourse/discourse/releases/tag/v2026.6.0 · Note
• https://github.com/discourse/discourse/releases/tag/v2026.1.5 · Note
• https://github.com/discourse/discourse/releases/tag/v2026.5.1 · Note
• https://github.com/discourse/discourse/releases/tag/v2026.4.2 · Note
• https://github.com/discourse/discourse/commit/d58988d46bb1019bfa8b8330ae81a1a134e08511 · Note
• https://github.com/discourse/discourse/commit/1f26c1163ce87a2abbd1d01780ab1b5fb16e75f6 · Note
• https://github.com/discourse/discourse/commit/8b773332b0f937dfcd894ed56d56fc5a81578d9d · Note
• https://github.com/discourse/discourse/security/advisories/GHSA-q456-4f8q-42vx · Note
• https://github.com/discourse/discourse/commit/8d36da1b68c906592abde3f2e94d505cdf097435 · Note