CVE-2026-118655

{"id": "CVE-2026-118655", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-118655", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-29T18:29:35.386733Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 2.2}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "labstack", "product": "echo", "versions": [{"status": "affected", "version": ">= 5.0.0, < 5.2.0"}, {"status": "affected", "version": "< 4.15.3"}]}]}], "published": "2026-10-28T20:17:22.723", "references": [{"url": "https://github.com/labstack/echo/commit/a9ede66a5a7196411131beb1ee801e75bbaf7ac6", "source": "security-advisories@github.com"}, {"url": "https://github.com/labstack/echo/commit/c3fa2a27ff92b2b8db360de614f999ef1da24725", "source": "security-advisories@github.com"}, {"url": "https://github.com/labstack/echo/issues/2599", "source": "security-advisories@github.com"}, {"url": "https://github.com/labstack/echo/pull/3006", "source": "security-advisories@github.com"}, {"url": "https://github.com/labstack/echo/releases/tag/v4.15.3", "source": "security-advisories@github.com"}, {"url": "https://github.com/labstack/echo/releases/tag/v5.2.0", "source": "security-advisories@github.com"}, {"url": "https://github.com/labstack/echo/security/advisories/GHSA-xwq5-6cqp-vx96", "source": "security-advisories@github.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-174"}]}], "descriptions": [{"lang": "en", "value": "Echo is a Go web framework. Prior to 4.15.3 and 5.2.0, middleware.Static can decode an already decoded Request.URL.Path a second time. Double-encoded separators can consequently be reconstructed before filesystem resolution. This can reach a file under a guarded route when the static middleware is registered globally. This issue is fixed in 4.15.3 and 5.2.0."}], "lastModified": "2026-10-29T19:17:18.690", "sourceIdentifier": "security-advisories@github.com"}