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

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HIGH

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

Published Sep 10, 2026

7.7

HIGH

CVSS 3.1

EPSS 0.38%

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

Vendor HashiCorp Product Tooling Default
unaffected
- Version
  0.27.2
  Status
  affected
  Constraints
  <0.43.0

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

HashiCorp

Tooling

unaffected

Version	Status	Constraints
0.27.2	affected	<0.43.0

Remediation

No remediation recorded yet.

Weaknesses (1)

CWE-532

References (2)

Link	Providers	Tags
https://discuss.hashicorp.com/t/hcsec-2026-38-consul-template-vulnerable-to-an-information-disclosure-issue-in-error-handling/77740
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-75701		Advisory