High severity7.5NVD Advisory· Published Jul 9, 2026· Updated Jul 14, 2026
CVE-2026-45788
CVE-2026-45788
Description
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.
Affected products
4<2026.6.0, <2026.5.1, <2026.4.2, <2026.1.5+ 2 more
- (no CPE)range: <2026.6.0, <2026.5.1, <2026.4.2, <2026.1.5
- cpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*range: >=2026.1.0,<2026.1.5
- cpe:2.3:a:discourse:discourse:2026.6.0:*:*:*:latest:*:*:*
Patches
Vulnerability mechanics
References
9- github.com/discourse/discourse/commit/5807c426880eadf248006e851604fc9284327ce5nvdPatch
- github.com/discourse/discourse/commit/8b4a959b251a856a9c911fb9f2ac34fbc31a7471nvdPatch
- github.com/discourse/discourse/commit/eff53af26367ae0dcb3a426954d233e8c7449f95nvdPatch
- github.com/discourse/discourse/commit/fa74e0dec7341a858ab83a1977fa52629bced1aanvdPatch
- github.com/discourse/discourse/security/advisories/GHSA-3876-w96v-8v38nvdVendor Advisory
- github.com/discourse/discourse/releases/tag/v2026.1.5nvdRelease Notes
- github.com/discourse/discourse/releases/tag/v2026.4.2nvdRelease Notes
- github.com/discourse/discourse/releases/tag/v2026.5.1nvdRelease Notes
- github.com/discourse/discourse/releases/tag/v2026.6.0nvdRelease Notes
News mentions
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