{"api_version":"1","generated_at":"2026-07-23T14:29:12+00:00","cve":"CVE-2020-26877","urls":{"html":"https://cve.report/CVE-2020-26877","api":"https://cve.report/api/cve/CVE-2020-26877.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2020-26877","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-26877"},"summary":{"title":"CVE-2020-26877","description":"ApiFest OAuth 2.0 Server 0.3.1 does not validate the redirect URI in accordance with RFC 6749 and is susceptible to an open redirector attack. Specifically, it directly sends an authorization code to the redirect URI submitted with the authorization request, without checking whether the redirect URI is registered by the client who initiated the request. 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NOTE: this is similar to CVE-2019-3778."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"url":"https://tools.ietf.org/html/rfc6749#section-3.1.2.3","refsource":"MISC","name":"https://tools.ietf.org/html/rfc6749#section-3.1.2.3"},{"url":"https://github.com/apifest/apifest-oauth20","refsource":"MISC","name":"https://github.com/apifest/apifest-oauth20"},{"url":"http://www.apifest.org/index.html","refsource":"MISC","name":"http://www.apifest.org/index.html"}]}},"nvd":{"publishedDate":"2022-06-29 14:15:00","lastModifiedDate":"2022-07-08 16:21:00","problem_types":["CWE-601"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM"},"exploitabilityScore":2.8,"impactScore":2.7},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:P/I:P/A:N","accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"NONE","baseScore":5.8},"severity":"MEDIUM","exploitabilityScore":8.6,"impactScore":4.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:apifest:oauth_2.0_server:0.3.1:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2020","CveId":"26877","Ordinal":"188311","Title":"CVE-2020-26877","CVE":"CVE-2020-26877","Year":"2020"},"notes":[{"CveYear":"2020","CveId":"26877","Ordinal":"1","NoteData":"** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided.","Type":"Description","Title":null}]}}}