CVE-2017-20146

CRITICAL

Gorilla Handlers < 1.3.0 - CORS Header Bypass

Title source: llm

Description

Usage of the CORS handler may apply improper CORS headers, allowing the requester to explicitly control the value of the Access-Control-Allow-Origin header, which bypasses the expected behavior of the Same Origin Policy.

Scores

CVSS v3 9.8
EPSS 0.0011
EPSS Percentile 29.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Classification

CWE
CWE-346
Status published

Affected Products (2)

gorillatoolkit/handlers < 1.3.0
gorilla/handlers < 1.3.0Go

Timeline

Published Dec 27, 2022
Tracked Since Feb 18, 2026