CVE-2026-45788 — Discourse: Secure uploads exposed by hotlinked image copying
Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, secure uploads could be exposed by pull_hotlinked_images when an attacker k…
Published: 2026-07-09 · CVSS: 6.3 · CVSS 4.0
Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, secure uploads could be exposed by pull_hotlinked_images when an attacker knew the secured upload URL and the secure_uploads site setting was enabled. This issue is fixed in versions 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7