{"dataType":"CVE_RECORD","dataVersion":"5.2","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":"2026-09-16T01:07:45.950Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1443cd92-d354-46d2-9290-d812316ca43a","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"}]}],"impacts":[{"capecId":"CAPEC-463","descriptions":[{"lang":"en","value":"CAPEC-463 Padding Oracle Crypto Attack"}]}],"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"}],"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.","supportingMedia":[{"type":"text/html","base64":false,"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."}]}],"references":[{"url":"https://delinea.com/security-advisories","tags":["vendor-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"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":[{"type":"text/html","base64":false,"value":"Upgrade to secret server version 12.2.7 or later."}]}],"credits":[{"lang":"en","value":"Aidan Stansfield - Division 5","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.5"}}}}