{"id":"CVE-2026-45788","aliases":["BIT-discourse-2026-45788","GHSA-3876-w96v-8v38"],"url":"https://o3.security/vulnerability/CVE-2026-45788","summary":"Discourse: Secure uploads exposed by hotlinked image copying","details":"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.","published":"2026-07-09T21:59:27.495Z","modified":"2026-08-12T03:51:19.302510989Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Bitnami","name":"discourse","fixedVersion":"2026.1.5"}],"fix":{"url":"https://github.com/discourse/discourse/commit/5807c426880eadf248006e851604fc9284327ce5","label":"discourse/discourse@5807c42"},"references":[{"type":"WEB","url":"https://github.com/discourse/discourse/releases/tag/v2026.1.5"},{"type":"WEB","url":"https://github.com/discourse/discourse/releases/tag/v2026.4.2"},{"type":"WEB","url":"https://github.com/discourse/discourse/releases/tag/v2026.5.1"},{"type":"WEB","url":"https://github.com/discourse/discourse/releases/tag/v2026.6.0"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45788.json"},{"type":"ADVISORY","url":"https://github.com/discourse/discourse/security/advisories/GHSA-3876-w96v-8v38"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45788"},{"type":"FIX","url":"https://github.com/discourse/discourse/commit/5807c426880eadf248006e851604fc9284327ce5"},{"type":"FIX","url":"https://github.com/discourse/discourse/commit/8b4a959b251a856a9c911fb9f2ac34fbc31a7471"},{"type":"FIX","url":"https://github.com/discourse/discourse/commit/eff53af26367ae0dcb3a426954d233e8c7449f95"},{"type":"FIX","url":"https://github.com/discourse/discourse/commit/fa74e0dec7341a858ab83a1977fa52629bced1aa"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:19.302510989Z"}}