CVE-2024-27456

9.1 criticalEPSS 0.8%

Critical (9.1) in rylabs rack cors middleware. EPSS 0.8% chance of exploitation in the next 30 days. Fixed in rack-cors 2.0.2.

rack-cors (aka Rack CORS Middleware) 2.0.1 has 0666 permissions for the .rb files.

Severity

9.1 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS: 0.8% chance of exploitation in the next 30 days; higher than 55% of CVEs (scores of 2026-10-31)
CWE: CWE-200
Published: 2024-02-26
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Advisory	Ecosystem	Package	Affected	Fixed in
GHSA-785g-282q-pwvx	RubyGems	rack-cors	>=2.0.1 <2.0.2	2.0.2