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NVD description
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.
Priority
LOW
Exploitation
NONE
PoC
NONE
Patch
NONE
Momentum
NONE
CVE-2026-62387 Unrestricted CORS Configuration in Grav API Plugin Before 1.0.0-rc.16 https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-62387
Post summary
The text announces CVE-2026-62387, describing an unrestricted CORS configuration flaw in Grav API Plugin versions before 1.0.0‑rc.16, without mentioning PoC, exploits, or patches.