CVE-2026-118650

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{"bugzilla": {"description": "github.com/labstack/echo: Echo: Information disclosure via URL path interpretation discrepancy", "id": "2563158", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2563158"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "status": "draft"}, "cwe": "CWE-551", "details": ["Echo is a Go web framework. Prior to 4.16.0 and 5.4.0, a globally mounted middleware.Static instance can interpret an encoded request path differently from Echo's router because the router matches the still-encoded path while the static handler uses the decoded URL.Path. The advisory demonstrates an encoded slash resolving to a file under the static root through the global static middleware, but the source is internally inconsistent about whether a route or group guard protects the corresponding literal path in that global-mount configuration. This issue is fixed in 4.16.0 and 5.4.0.", "A flaw was found in Echo. This vulnerability allows a remote attacker to cause information disclosure by sending specially crafted HTTP requests containing encoded characters. Because the framework router and the static file handler interpret encoded paths differently, an attacker can bypass route restrictions and retrieve unauthorized files hosted on the server."], "name": "CVE-2026-118650", "public_date": "2026-10-28T19:25:02Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-118650\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-118650\nhttps://github.com/labstack/echo/commit/b838391e2eade87ae7e5a09d7bb5087bec271ec1\nhttps://github.com/labstack/echo/commit/fc410094b2f3415cf2bf5204082137b205bfd5af\nhttps://github.com/labstack/echo/releases/tag/v4.16.0\nhttps://github.com/labstack/echo/releases/tag/v5.4.0\nhttps://github.com/labstack/echo/security/advisories/GHSA-375p-5qhx-8wq4"], "statement": "This vulnerability is rated as Important for Red Hat because remote, unauthenticated attackers can bypass route-level security controls to access sensitive data without requiring privileges or user interaction. Exploitation is constrained to non-standard application architectures where static assets are mounted globally while simultaneously relying on route or group middleware to guard specific files within that same directory tree. The impact is further limited to information disclosure of files residing strictly inside the designated document root, preventing arbitrary file retrieval outside those boundaries.", "threat_severity": "Important"}

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