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    "cveMetadata": {
        "cveId": "CVE-2026-63089",
        "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "state": "PUBLISHED",
        "assignerShortName": "VulnCheck",
        "dateReserved": "2026-07-15T15:45:44.600Z",
        "datePublished": "2026-07-16T19:28:37.500Z",
        "dateUpdated": "2026-07-18T03:08:24.596Z"
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                "dateUpdated": "2026-07-16T19:28:37.500Z"
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            "title": "WireGuard Easy Weak Token Generation Information Disclosure via OTL Route",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "WireGuard Easy through 15.3.0, fixed in commit 66b292b, contains a cryptographically weak one-time link token generation vulnerability that allows unauthenticated network attackers to recover WireGuard peer credentials by brute-forcing a keyspace of at most 1000 candidate tokens per client ID, as the token is computed using CRC32 over a random value constrained to 0-999. Attackers can enumerate candidate tokens against the unauthenticated /cnf/:oneTimeLink route, which lacks rate limiting and does not validate token expiration, to obtain a peer's PrivateKey and PresharedKey and impersonate that peer on the VPN network."
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            "datePublic": "2026-07-12T00:00:00.000Z",
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                            "lang": "en",
                            "cweId": "CWE-338",
                            "description": "Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)",
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                        {
                            "lang": "en",
                            "cweId": "CWE-613",
                            "description": "Insufficient Session Expiration",
                            "type": "CWE"
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                }
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                    "vendor": "wg-easy",
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                            "status": "affected",
                            "version": "0",
                            "versionType": "semver",
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                            "status": "unaffected",
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                        "attackRequirements": "PRESENT",
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                        "userInteraction": "NONE",
                        "vulnConfidentialityImpact": "HIGH",
                        "subConfidentialityImpact": "HIGH",
                        "vulnIntegrityImpact": "NONE",
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                        "subAvailabilityImpact": "NONE",
                        "exploitMaturity": "NOT_DEFINED",
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            "references": [
                {
                    "url": "https://github.com/wg-easy/wg-easy/pull/2661",
                    "name": "Pull Request",
                    "tags": [
                        "issue-tracking"
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                {
                    "url": "https://github.com/wg-easy/wg-easy/commit/66b292b11bde3664f05ffb016c8082665d261ded",
                    "name": "Patch Commit",
                    "tags": [
                        "patch"
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                },
                {
                    "url": "https://www.vulncheck.com/advisories/wireguard-easy-weak-token-generation-information-disclosure-via-otl-route",
                    "tags": [
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                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "George Chen",
                    "type": "finder"
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            ],
            "source": {
                "discovery": "UNKNOWN"
            },
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        "adp": [
            {
                "metrics": [
                    {
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                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-07-18T03:08:14.656482Z",
                                "id": "CVE-2026-63089",
                                "options": [
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                                        "Exploitation": "none"
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                                "role": "CISA Coordinator",
                                "version": "2.0.3"
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                "title": "CISA ADP Vulnrichment",
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