{"id":"CVE-2018-17175","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-17175","generatedAt":"2026-10-28T20:26:00.907Z","title":"In the marshmallow library before 2.15.1 and 3.x before 3.0.0b9 for Python, the schema \"only\" option treats an empty list as implying no \"only\" option, which allows a request that was intended to expose no fields to instead expose all fields (if the…","description":"In the marshmallow library before 2.15.1 and 3.x before 3.0.0b9 for Python, the schema \"only\" option treats an empty list as implying no \"only\" option, which allows a request that was intended to expose no fields to instead expose all fields (if the schema is being filtered dynamically using the \"only\" option, and there is a user role that produces an empty value for \"only\").","published":"2018-09-18T17:29:02.000Z","lastModified":"2026-06-17T01:45:28.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":5.3,"severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},"cwe":[],"affected":["marshmallow project/marshmallow"],"epss":{"score":0.01919,"percentile":0.79778,"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 (1.92%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://github.com/marshmallow-code/marshmallow/issues/772","tags":["Issue Tracking","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/marshmallow-code/marshmallow/pull/777","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/marshmallow-code/marshmallow/pull/782","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/marshmallow-code/marshmallow/issues/772","tags":["Issue Tracking","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/marshmallow-code/marshmallow/pull/777","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/marshmallow-code/marshmallow/pull/782","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-17175","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."}