{"cve":"CVE-2017-18076","nvd":{"published":"2018-01-26T19:29:00.260","modified":"2026-06-17T01:12:09.597","status":"Modified","description":"In strategy.rb in OmniAuth before 1.3.2, the authenticity_token value is improperly protected because POST (in addition to GET) parameters are stored in the session and become available in the environment of the callback phase.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5},"cwes":[],"references":["https://bugs.debian.org/888523","https://github.com/omniauth/omniauth/pull/867","https://github.com/omniauth/omniauth/pull/867/commits/71866c5264122e196847a3980c43051446a03e9b","https://www.debian.org/security/2018/dsa-4109","https://bugs.debian.org/888523"],"products":["debian:debian_linux","omniauth:omniauth"],"source":"nvd","synced_at":"2026-10-19T20:48:34.567387330+00:00"},"epss":{"cve":"CVE-2017-18076","score":0.02129,"percentile":0.81949,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-9pr6-grf4-x2fr","url":"https://osv.dev/vulnerability/GHSA-9pr6-grf4-x2fr","summary":"Omniauth allows POST parameters to be stored in session","modified":"2024-12-03T06:18:52.625847Z","packages":[{"ecosystem":"RubyGems","name":"omniauth","purl":"pkg:gem/omniauth","ranges":["<1.3.2"],"fixed":["1.3.2"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}