CVE-2026-87993: Consul-template vulnerable to an information disclosure issue in error handling
High · CVSS 7.7 (CVSS 3.1)EPSS 0.38%, 31th percentilePublished Updated Assigner: HashiCorp
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.
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N · CWE-532
Tracked companies
Mapped from the CVE’s affected-product data, NVD CPE matches, vendor advisories or package feeds. A mapping means the vendor’s software is named, not that its hosted service was exposed.
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
HashiCorp: Tooling
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- discuss.hashicorp.com/t/hcsec-2026-38-consul-template-vulnerable-to-an-information-disclosu… (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)