Vulnerability Description
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 issue credentialed cross-origin requests from any website to read analytics data, account information, and perform authenticated state-changing operations as the victim user.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/rybbit-io/rybbit
- https://github.com/rybbit-io/rybbit/blob/v2.6.0/server/src/index.ts
- https://github.com/rybbit-io/rybbit/commit/6f1039bdd3328a84d6700031bc0ce4714020e
- https://github.com/rybbit-io/rybbit/issues/1038
- https://www.vulncheck.com/advisories/rybbit-reflects-any-origin-in-cors-response
FAQ
What is CVE-2026-82287?
CVE-2026-82287 is a vulnerability with a CVSS score of 8.1 (HIGH). 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 c...
How severe is CVE-2026-82287?
CVE-2026-82287 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-82287?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.