CVE-2026-45788
Discourse: Secure uploads exposed by hotlinked image copying
CVSS Score
0.0
EPSS Score
0.5%
EPSS Percentile
37th
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.
| CWE | CWE-200 |
| Vendor | discourse |
| Product | discourse |
| Published | Jul 9, 2026 |
| Last Updated | Jul 10, 2026 |
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Affected Versions
discourse / discourse
>= 2026.1.0-latest, < 2026.1.5 >= 2026.4.0-latest, < 2026.4.2 >= 2026.5.0-latest, < 2026.5.1
References
github.com: https://github.com/discourse/discourse/security/advisories/GHSA-3876-w96v-8v38 github.com: https://github.com/discourse/discourse/commit/5807c426880eadf248006e851604fc9284327ce5 github.com: https://github.com/discourse/discourse/commit/8b4a959b251a856a9c911fb9f2ac34fbc31a7471 github.com: https://github.com/discourse/discourse/commit/eff53af26367ae0dcb3a426954d233e8c7449f95 github.com: https://github.com/discourse/discourse/commit/fa74e0dec7341a858ab83a1977fa52629bced1aa github.com: https://github.com/discourse/discourse/releases/tag/v2026.1.5 github.com: https://github.com/discourse/discourse/releases/tag/v2026.4.2 github.com: https://github.com/discourse/discourse/releases/tag/v2026.5.1 github.com: https://github.com/discourse/discourse/releases/tag/v2026.6.0