{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-87993", "assignerOrgId": "67fedba0-ff2e-4543-ba5b-aa93e87718cc", "state": "PUBLISHED", "assignerShortName": "HashiCorp", "dateReserved": "2026-09-09T19:16:46.398Z", "datePublished": "2026-09-10T19:00:08.728Z", "dateUpdated": "2026-09-10T19:21:18.274Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "platforms": ["64 bit", "32 bit", "x86", "ARM", "MacOS", "Windows", "Linux"], "product": "Tooling", "repo": "https://github.com/hashicorp/consul-template/", "vendor": "HashiCorp", "versions": [{"lessThan": "0.43.0", "status": "affected", "version": "0.27.2", "versionType": "semver"}]}], "credits": [{"lang": "en", "value": "This issue was reported to HashiCorp by Ali Firas (thesmartshadow)."}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>The consul-template library is vulnerable to an information disclosure issue in its error handling path that may allow Vault secret values to appear in template error messages, log output, and downstream surfaces such as Nomad task events. This vulnerability (CVE-2026-87993) is fixed in consul-template 0.43.0.</p><br/>"}], "value": "The consul-template library is vulnerable to an information disclosure issue in its error handling path that may allow Vault secret values to appear in template error messages, log output, and downstream surfaces such as Nomad task events. This vulnerability (CVE-2026-87993) is fixed in consul-template 0.43.0."}], "impacts": [{"capecId": "CAPEC-215", "descriptions": [{"lang": "en", "value": "CAPEC-215: Fuzzing for application mapping"}]}], "metrics": [{"cvssV3_1": {"baseScore": 7.7, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-532", "description": "CWE-532: Insertion of Sensitive Information into Log File", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "67fedba0-ff2e-4543-ba5b-aa93e87718cc", "shortName": "HashiCorp", "dateUpdated": "2026-09-10T19:00:08.728Z"}, "references": [{"url": "https://discuss.hashicorp.com/t/hcsec-2026-38-consul-template-vulnerable-to-an-information-disclosure-issue-in-error-handling/77740"}], "source": {"advisory": "HCSEC-2026-38", "discovery": "EXTERNAL"}, "title": "Consul-template vulnerable to an information disclosure issue in error handling"}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-10T19:21:10.302684Z", "id": "CVE-2026-87993", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-10T19:21:18.274Z"}}]}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "platforms": ["64 bit", "32 bit", "x86", "ARM", "MacOS", "Windows", "Linux"], "product": "Tooling", "repo": "https://github.com/hashicorp/consul-template/", "vendor": "HashiCorp", "versions": [{"lessThan": "0.43.0", "status": "affected", "version": "0.27.2", "versionType": "semver"}]}], "source": "security@hashicorp.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The consul-template library is vulnerable to an information disclosure issue in its error handling path that may allow Vault secret values to appear in template error messages, log output, and downstream surfaces such as Nomad task events. This vulnerability (CVE-2026-87993) is fixed in consul-template 0.43.0."}], "id": "CVE-2026-87993", "lastModified": "2026-09-10T19:45:14.210", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.7, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 4.0, "source": "security@hashicorp.com", "type": "Secondary"}]}, "published": "2026-09-10T19:17:39.130", "references": [{"source": "security@hashicorp.com", "url": "https://discuss.hashicorp.com/t/hcsec-2026-38-consul-template-vulnerable-to-an-information-disclosure-issue-in-error-handling/77740"}], "sourceIdentifier": "security@hashicorp.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-532"}], "source": "security@hashicorp.com", "type": "Secondary"}]}

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