{"id":"CVE-2026-45788","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-45788","generatedAt":"2026-10-28T03:38:43.659Z","title":"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.","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.","published":"2026-07-09T22:17:05.000Z","lastModified":"2026-07-14T20:41:53.000Z","status":"Analyzed","sourceIdentifier":"security-advisories@github.com","cvss":{"version":"4.0","score":6.3,"severity":"MEDIUM","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-200"],"affected":["discourse/discourse"],"epss":{"score":0.00634,"percentile":0.50196,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.63%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://github.com/discourse/discourse/commit/5807c426880eadf248006e851604fc9284327ce5","tags":["Patch"],"source":"security-advisories@github.com"},{"url":"https://github.com/discourse/discourse/commit/8b4a959b251a856a9c911fb9f2ac34fbc31a7471","tags":["Patch"],"source":"security-advisories@github.com"},{"url":"https://github.com/discourse/discourse/commit/eff53af26367ae0dcb3a426954d233e8c7449f95","tags":["Patch"],"source":"security-advisories@github.com"},{"url":"https://github.com/discourse/discourse/commit/fa74e0dec7341a858ab83a1977fa52629bced1aa","tags":["Patch"],"source":"security-advisories@github.com"},{"url":"https://github.com/discourse/discourse/releases/tag/v2026.1.5","tags":["Release Notes"],"source":"security-advisories@github.com"},{"url":"https://github.com/discourse/discourse/releases/tag/v2026.4.2","tags":["Release Notes"],"source":"security-advisories@github.com"},{"url":"https://github.com/discourse/discourse/releases/tag/v2026.5.1","tags":["Release Notes"],"source":"security-advisories@github.com"},{"url":"https://github.com/discourse/discourse/releases/tag/v2026.6.0","tags":["Release Notes"],"source":"security-advisories@github.com"},{"url":"https://github.com/discourse/discourse/security/advisories/GHSA-3876-w96v-8v38","tags":["Vendor Advisory"],"source":"security-advisories@github.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-45788","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}