{"id":"CVE-2026-87993","state":"PUBLISHED","title":"Consul-template vulnerable to an information disclosure issue in error handling","description":"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.","publishedAt":"2026-09-10T19:00:08.728Z","updatedAt":"2026-09-10T19:21:18.274Z","severity":{"score":7.7,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","source":"HashiCorp"},"assigner":"HashiCorp","products":["HashiCorp Tooling"],"affected":[{"vendor":"HashiCorp","product":"Tooling","defaultStatus":"unaffected","versions":[{"version":"0.27.2","status":"affected","lessThan":"0.43.0","versionType":"semver"}],"platforms":["64 bit","32 bit","x86","ARM","MacOS","Windows","Linux"],"repo":"https://github.com/hashicorp/consul-template/"}],"references":["https://discuss.hashicorp.com/t/hcsec-2026-38-consul-template-vulnerable-to-an-information-disclosure-issue-in-error-handling/77740"],"weaknesses":["CWE-532"],"ingestedAt":"2026-10-29T20:13:26.108Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/87xxx/CVE-2026-87993.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-87993","state":"PUBLISHED","datePublished":"2026-09-10T19:00:08.728Z","dateUpdated":"2026-09-10T19:21:18.274Z","assignerShortName":"HashiCorp","assignerOrgId":"67fedba0-ff2e-4543-ba5b-aa93e87718cc","dateReserved":"2026-09-09T19:16:46.398Z"},"containers":{"cna":{"title":"Consul-template vulnerable to an information disclosure issue in error handling","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."}],"affected":[{"vendor":"HashiCorp","product":"Tooling","defaultStatus":"unaffected","versions":[{"version":"0.27.2","status":"affected","lessThan":"0.43.0","versionType":"semver"}],"platforms":["64 bit","32 bit","x86","ARM","MacOS","Windows","Linux"],"repo":"https://github.com/hashicorp/consul-template/"}],"references":[{"url":"https://discuss.hashicorp.com/t/hcsec-2026-38-consul-template-vulnerable-to-an-information-disclosure-issue-in-error-handling/77740"}],"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":{"shortName":"HashiCorp","orgId":"67fedba0-ff2e-4543-ba5b-aa93e87718cc","dateUpdated":"2026-09-10T19:00:08.728Z"},"credits":[{"lang":"en","value":"This issue was reported to HashiCorp by Ali Firas (thesmartshadow)."}],"impacts":[{"capecId":"CAPEC-215","descriptions":[{"lang":"en","value":"CAPEC-215: Fuzzing for application mapping"}]}],"source":{"advisory":"HCSEC-2026-38","discovery":"EXTERNAL"}},"adp":[{"title":"CISA ADP Vulnrichment","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"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-10T19:21:18.274Z"}}]}}}