{"id":"CVE-2026-44745","aliases":["EUVD-2026-43585","GHSA-44p5-3m5g-vfhj"],"status":"published","title":"Open Redirect vulnerability in SAP Approuter","description":"SAP Approuter does not properly validate incoming request headers during the OAuth2 login flow under certain configurations. This allows an unauthenticated remote attacker to craft a malicious link which, when clicked by a victim, could lead to unauthorized access. Successful exploitation results in a high impact to the confidentiality and integrity with no impact on the availability of the application.","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00466,"percentile":0.40584,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-601"],"published":"2026-07-14T00:18:16Z","modified":"2026-10-24T22:10:00Z","fixes":[{"ecosystem":"npm","package":"@sap/approuter","fixed_in":["21.2.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"@sap/approuter","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"21.2.0"}]}]},{"source":"osv","ecosystem":"npm","package":"@sap/approuter","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"21.2.0"}]}]}],"products":[{"vendor":"sap","product":"approuter"},{"vendor":"sap_se","product":"sap approuter"}],"references":[{"url":"https://me.sap.com/notes/3741519","tags":["Permissions Required","web"]},{"url":"https://url.sap/sapsecuritypatchday","tags":["Vendor Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44745","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-44p5-3m5g-vfhj"}],"sources":{"cve":[{"id":"CVE-2026-44745","title":"Open Redirect vulnerability in SAP Approuter","description":"SAP Approuter does not properly validate incoming request headers during the OAuth2 login flow under certain configurations. This allows an unauthenticated remote attacker to craft a malicious link which, when clicked by a victim, could lead to unauthorized access. Successful exploitation results in a high impact to the confidentiality and integrity with no impact on the availability of the application.","status":"published","published":"2026-07-14T00:18:16.089Z","modified":"2026-07-14T12:39:36.122Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T13:43:00.288193Z"}],"euvd":[{"id":"EUVD-2026-43585","description":"SAP Approuter does not properly validate incoming request headers during the OAuth2 login flow under certain configurations. This allows an unauthenticated remote attacker to craft a malicious link which, when clicked by a victim, could lead to unauthorized access. Successful exploitation results in a high impact to the confidentiality and integrity with no impact on the availability of the application.","status":"published","published":"2026-07-14T00:18:16Z","modified":"2026-07-14T12:39:36Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T18:20:00.206712Z"}],"ghsa":[{"id":"GHSA-44p5-3m5g-vfhj","title":"SAP Approuter has an Open Redirect vulnerability","description":"SAP Approuter does not properly validate incoming request headers during the OAuth2 login flow under certain configurations. This allows an unauthenticated remote attacker to craft a malicious link which, when clicked by a victim, could lead to unauthorized access. Successful exploitation results in a high impact to the confidentiality and integrity with no impact on the availability of the application.","status":"published","published":"2026-07-14T03:31:35Z","modified":"2026-09-01T21:21:21Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:41:10.121131Z"}],"nvd":[{"id":"CVE-2026-44745","description":"SAP Approuter does not properly validate incoming request headers during the OAuth2 login flow under certain configurations. This allows an unauthenticated remote attacker to craft a malicious link which, when clicked by a victim, could lead to unauthorized access. Successful exploitation results in a high impact to the confidentiality and integrity with no impact on the availability of the application.","status":"published","published":"2026-07-14T01:16:17.32Z","modified":"2026-10-24T22:10:00.21Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:12:29.114188Z"}],"osv":[{"id":"GHSA-44p5-3m5g-vfhj","title":"SAP Approuter has an Open Redirect vulnerability","description":"SAP Approuter does not properly validate incoming request headers during the OAuth2 login flow under certain configurations. This allows an unauthenticated remote attacker to craft a malicious link which, when clicked by a victim, could lead to unauthorized access. Successful exploitation results in a high impact to the confidentiality and integrity with no impact on the availability of the application.","status":"published","published":"2026-07-14T03:31:35Z","modified":"2026-09-01T21:40:52.202902Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T15:46:36.434231Z"}]}}