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    "cveMetadata": {
        "cveId": "CVE-2026-15638",
        "assignerOrgId": "1443cd92-d354-46d2-9290-d812316ca43a",
        "state": "PUBLISHED",
        "assignerShortName": "Delinea",
        "dateReserved": "2026-07-13T18:18:20.775Z",
        "datePublished": "2026-09-15T23:20:56.216Z",
        "dateUpdated": "2026-09-16T19:36:54.361Z"
    },
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                "shortName": "Delinea",
                "dateUpdated": "2026-09-16T01:07:45.950Z"
            },
            "title": "Cryptographic Padding Oracle",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-327",
                            "description": "CWE-327 Use of a Broken or Risky Cryptographic Algorithm",
                            "type": "CWE"
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                    ]
                }
            ],
            "impacts": [
                {
                    "capecId": "CAPEC-463",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC-463 Padding Oracle Crypto Attack"
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                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "Delinea",
                    "product": "Secret Server (On-Prem)",
                    "platforms": [
                        "Windows"
                    ],
                    "versions": [
                        {
                            "status": "affected",
                            "version": "10.5.1",
                            "lessThanOrEqual": "12.1.3",
                            "versionType": "custom"
                        }
                    ],
                    "defaultStatus": "unaffected"
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            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "An unauthenticated user with access to Secret Server could leverage a padding oracle to decrypt or encrypt data using one of the server's cryptographic keys. The key itself is not exposed.",
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                            "value": "An unauthenticated user with access to Secret Server could leverage a padding oracle to decrypt or encrypt data using one of the server's cryptographic keys. The key itself is not exposed."
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            "references": [
                {
                    "url": "https://delinea.com/security-advisories",
                    "tags": [
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                            "lang": "en",
                            "value": "GENERAL"
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                        "attackVector": "NETWORK",
                        "attackComplexity": "HIGH",
                        "attackRequirements": "PRESENT",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "vulnConfidentialityImpact": "HIGH",
                        "subConfidentialityImpact": "HIGH",
                        "vulnIntegrityImpact": "LOW",
                        "subIntegrityImpact": "HIGH",
                        "vulnAvailabilityImpact": "NONE",
                        "subAvailabilityImpact": "HIGH",
                        "exploitMaturity": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "valueDensity": "NOT_DEFINED",
                        "vulnerabilityResponseEffort": "NOT_DEFINED",
                        "providerUrgency": "NOT_DEFINED",
                        "version": "4.0",
                        "baseSeverity": "CRITICAL",
                        "baseScore": 9.1,
                        "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:H/SI:H/SA:H"
                    }
                }
            ],
            "solutions": [
                {
                    "lang": "en",
                    "value": "Upgrade to secret server version 12.2.7 or later.",
                    "supportingMedia": [
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                            "type": "text/html",
                            "base64": false,
                            "value": "Upgrade to secret server version 12.2.7 or later."
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                    ]
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            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Aidan Stansfield - Division 5",
                    "type": "finder"
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
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                                "timestamp": "2026-09-16T19:36:39.986689Z",
                                "id": "CVE-2026-15638",
                                "options": [
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                                        "Exploitation": "none"
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                                        "Automatable": "no"
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                                        "Technical Impact": "total"
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                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
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                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
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                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-09-16T19:36:54.361Z"
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