Vulnerability · Published Sep 10, 2026 · Assigned by HashiCorp

CVE-2026-87993Consul-template vulnerable to an information disclosure issue in error handling

High 7.7

In plain English

A high-severity sensitive data in logs in Tooling from HashiCorp. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities).

Severity (CVSS 3.1)7.7High
Exploit odds (30 days)0.4%top 68.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
HashiCorp Tooling 0.27.2 – before 0.43.0

Weakness: CWE-532 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

References