PT-2026-58902 · 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, under certain non-default configurations, processing of PDF uploads could be exploited to obtain RCE on the server. This issue is patched in 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5.

Related Identifiers

BIT-DISCOURSE-2026-55420

Affected Products

Discourse

References · 8

• https://nvd.nist.gov/vuln/detail/CVE-2026-55420 · Security Note
• https://osv.dev/vulnerability/BIT-discourse-2026-55420 · Vendor Advisory
• https://github.com/discourse/discourse/releases/tag/v2026.1.5 · Note
• https://github.com/discourse/discourse/security/advisories/GHSA-7wq5-jgww-5rw3 · Note
• https://github.com/discourse/discourse/releases/tag/v2026.5.1 · Note
• https://github.com/discourse/discourse/commit/ca5a7e06167561928556afa2f237d67e459c6914 · Note
• https://github.com/discourse/discourse/releases/tag/v2026.4.2 · Note
• https://github.com/discourse/discourse/releases/tag/v2026.6.0 · Note