CVE-2026-82287
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.
Scoring
- Severity
- HIGH
- CVSS base score
- 8.6
- CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
- EPSS probability
- 0.28%
- CWE
- CWE-942
- Published
- 2026-08-28
- Last modified
- 2026-08-31
Affected products
- rybbit-io rybbit
Weakness type
Related vulnerabilities
- CVE-2026-62895 — Azure Arc SQL Server Extension Elevation of Privilege Vulnerability
- CVE-2026-12962 — A Permissive Cross-domain Security Policy with Untrusted Domains in Armoury Crate allows a remote...
- CVE-2026-84452 — Windows ML CLI: CORS misconfig enables localhost RCE
- CVE-2026-53649 — Joro: Unauthenticated Cross-Origin Plugin Upload Leads to RCE
- CVE-2026-82291 — HeyForm Reflects Any Origin in CORS Responses While Allowing Credentials
- CVE-2026-53656 — FiftyOne App server uses wildcard CORS (Access-Control-Allow-Origin: *), enabling cross-origin reads of local server data
- CVE-2026-63407 — Grav API Plugin: CORS 'Access-Control-Allow-Origin: *' on Authenticated API Responses
- CVE-2026-68517 — Glances: REST API CORS Credentials Guard Uses Exact-Match Instead of Membership Test — Bypassed by Any Multi-Origin Allowlist Containing the Wildcard