{"schema":"threatline.record/2","record":{"id":"CVE-2026-13046","aliases":[],"summary":"Fireware OS Deserialization of Untrusted Data in samld Allows Remote Code Execution","details":"A deserialization of untrusted data vulnerability in WatchGuard Fireware OS's SAML single sign-on session handling (samld) allows an attacker who has already obtained the ability to write files on the appliance to execute arbitrary code in the context of the samld service by causing samld to load a maliciously crafted session file.","categories":["Network & edge"],"product":"Fireware OS","vendor":"WatchGuard","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-13046","source_modified_at":"2026-10-01T03:55:38.693Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"Fireware OS","vendor":"WatchGuard","versions":[{"status":"affected","version":"2026.3","versionType":"custom","lessThan":"2026.3.2"},{"status":"affected","version":"2025.0","versionType":"custom","lessThan":"2026.2.3"},{"status":"affected","version":"12.0","versionType":"custom","lessThan":"12.12.3"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-13046","source_modified_at":"2026-10-01T03:55:38.693Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"Fireware OS","vendor":"WatchGuard","versions":[{"status":"affected","version":"12.11","versionType":"custom","lessThan":"12.11.10"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-13046","source_modified_at":"2026-10-01T03:55:38.693Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":"Fireware OS","ecosystem":null},"version":"2026.3.2","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-13046","source_modified_at":"2026-10-01T03:55:38.693Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":"Fireware OS","ecosystem":null},"version":"2026.2.3","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-13046","source_modified_at":"2026-10-01T03:55:38.693Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":"Fireware OS","ecosystem":null},"version":"12.12.3","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-13046","source_modified_at":"2026-10-01T03:55:38.693Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":"Fireware OS","ecosystem":null},"version":"12.11.10","basis":"first unaffected version stated in the CVE record"}],"cvss":7.5,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00369,"percentile":0.29679,"score_date":"2026-10-23"},"published_at":"2026-09-29T23:05:47.739Z","modified_at":"2026-10-01T03:55:38.693Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-13046","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-10-01T03:55:38.693Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-13046","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://psirt.watchguard.com/CVE-2026-13046","tags":["vendor-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"total","assessed_at":"2026-09-30T00:00:00+00:00"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"vendor and product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-01T03:55:38.693Z","content_hash":"878036ce1abb2cc32f4cc25bcda2eaf3e9b2edf467c96cc29a6305b3b427ffdc"}}