{"schema":"threatline.record/2","record":{"id":"CVE-2026-102577","aliases":[],"summary":"Moodle: ssrf risk in url downloader via ipv4-mapped ipv6 address bypass","details":"A flaw was found in Moodle. Incorrect handling of IPv4-mapped IPv6 addresses within the URL downloader's host-blocking logic allows an authenticated remote user to bypass blocked-host restrictions. By supplying a crafted URL, an attacker can induce the server to make requests to restricted destinations, leading to Server-Side Request Forgery (SSRF).","categories":["Applications & CMS"],"product":"","vendor":"","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-102577","source_modified_at":"2026-09-30T14:37:24.853Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":null,"vendor":null,"versions":[{"status":"affected","version":"5.2.0","lessThan":"5.2.2","versionType":"semver"},{"status":"affected","version":"5.1.0","lessThan":"5.1.6","versionType":"semver"},{"status":"affected","version":"5.0.0","lessThan":"5.0.9","versionType":"semver"},{"status":"affected","version":"0","lessThan":"4.5.13","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-102577","source_modified_at":"2026-09-30T14:37:24.853Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":null,"ecosystem":null},"version":"5.2.2","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-102577","source_modified_at":"2026-09-30T14:37:24.853Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":null,"ecosystem":null},"version":"5.1.6","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-102577","source_modified_at":"2026-09-30T14:37:24.853Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":null,"ecosystem":null},"version":"5.0.9","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-102577","source_modified_at":"2026-09-30T14:37:24.853Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":null,"ecosystem":null},"version":"4.5.13","basis":"first unaffected version stated in the CVE record"}],"cvss":4.3,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00246,"percentile":0.15035,"score_date":"2026-10-23"},"published_at":"2026-09-30T08:35:59.663Z","modified_at":"2026-09-30T14:37:24.853Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-102577","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-09-30T14:37:24.853Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-102577","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://access.redhat.com/security/cve/CVE-2026-102577","tags":["vdb-entry","x_refsource_REDHAT"]},{"source":"CVE List","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2543604","tags":["issue-tracking","x_refsource_REDHAT"]},{"source":"CVE List","url":"https://moodle.org/mod/forum/discuss.php?d=482495"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-09-30T14:37:13.429164Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"summary-specific-product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-09-30T14:37:24.853Z","content_hash":"52754d661db7434e679ed7b1bf63930bbeed44cb04511d09a2a05af0a5493578"}}