PT-2026-60651 · Getgrav · Grav

Nicl4Ssic · CVE-2026-62387 · Published 2026-07-17 · Updated 2026-07-17

NVD

CVSS v3.1

7.1

High

Base vector

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

The Grav API plugin (getgrav/grav-plugin-api) before 1.0.0-rc.16 shipped Access-Control-Allow-Origin: * as its default CORS configuration on all responses, including authenticated endpoints and preflight (OPTIONS) responses. Because the plugin accepts credentials via the Authorization and X-API-Token headers (set programmatically by JavaScript rather than via cookies), an attacker who obtains a valid access token (e.g., via log leakage, Referer headers, browser history, or network capture) can issue fully authenticated cross-origin requests from any malicious website to read sensitive data and perform write operations as the token's user. Fixed in 1.0.0-rc.16.

Fix

Weakness Enumeration

CWE-942

Related Identifiers

CVE-2026-62387

Affected Products

Grav

References · 3

• https://github.com/getgrav/grav/security/advisories/GHSA-93px-98wh-6fj2 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-62387 · Security Note
• https://vulncheck.com/advisories/grav-rc-16-cors-misconfiguration-via-api-plugin · Note