{"cve":"CVE-2017-1000070","nvd":{"published":"2017-07-17T13:18:18.220","modified":"2026-06-17T00:58:41.023","status":"Modified","description":"The Bitly oauth2_proxy in version 2.1 and earlier was affected by an open redirect vulnerability during the start and termination of the 2-legged OAuth flow. This issue was caused by improper input validation and a violation of RFC-6819","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-601"],"references":["https://github.com/bitly/oauth2_proxy/pull/359","https://tools.ietf.org/html/rfc6819#section-5.2.3.5","https://github.com/bitly/oauth2_proxy/pull/359","https://tools.ietf.org/html/rfc6819#section-5.2.3.5"],"products":["oauth2_proxy_project:oauth2_proxy"],"source":"nvd","synced_at":"2026-10-19T20:43:44.556243339+00:00"},"epss":{"cve":"CVE-2017-1000070","score":0.00996,"percentile":0.62694,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-jm34-xm8m-w958","url":"https://osv.dev/vulnerability/GHSA-jm34-xm8m-w958","summary":"Open Redirect in oauth2_proxy","modified":"2023-11-08T03:58:42.391972Z","packages":[{"ecosystem":"Go","name":"github.com/bitly/oauth2_proxy","purl":"pkg:golang/github.com/bitly/oauth2_proxy","ranges":["<2.2.0"],"fixed":["2.2.0"]}]}],"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."]}