CVE-2026-82287: Permissive Cross-domain Security Policy with Untrusted Domains in rybbit-io rybbit
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.
CVE-2026-82287: Permissive Cross-domain Security Policy with Untrusted Domains in rybbit-io rybbit
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 v4.0
Score 8.6high
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-08-28T11:12:53.034Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a91e417acd9273b4942e938
Added to database: 08/28/2026, 19:40:07 UTC
Last updated: 08/29/2026, 15:17:43 UTC
Views: 14
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