{"id":"CVE-2026-82287","title":"Rybbit before 2.7.0 contains a CORS misconfiguration vulnerability that allows attackers to bypass origin restrictions by reflecting any request origin in Access-Control-Allow-Origin responses while credentials are enabled","summary":"Rybbit before 2.7.0 contains a CORS misconfiguration vulnerability that allows attackers to bypass origin restrictions by reflecting any request origin in Access-Control-Allow-Origin responses while credentials are enabled. Attackers can…","severity":"high","cvss":8.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","cwe":["CWE-942"],"published":"2026-08-28","updated":"2026-09-23","sourceUpdated":"2026-09-23T17:17:43.787","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-82287","references":[{"url":"https://github.com/rybbit-io/rybbit","label":"disclosure@vulncheck.com"},{"url":"https://github.com/rybbit-io/rybbit/blob/v2.6.0/server/src/index.ts","label":"disclosure@vulncheck.com"},{"url":"https://github.com/rybbit-io/rybbit/commit/6f1039bdd3328a84d6700031bc0ce4714020e2f9","label":"disclosure@vulncheck.com"},{"url":"https://github.com/rybbit-io/rybbit/issues/1038","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/rybbit-reflects-any-origin-in-cors-responses-while-allowing-credentials","label":"disclosure@vulncheck.com"}],"tags":["nvd"],"epss":0.00282,"epssPercentile":0.20957,"ingestedAt":"2026-09-23T17:28:14.817Z","slug":"CVE-2026-82287","body":"## Overview\n\nRybbit before 2.7.0 contains a CORS misconfiguration vulnerability that allows attackers to bypass origin restrictions by reflecting any request origin in Access-Control-Allow-Origin responses while credentials are enabled. Attackers can issue credentialed cross-origin requests from any website to read analytics data, account information, and perform authenticated state-changing operations as the victim user.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":45,"depthScoreParts":{"impact":44.6,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}