CVE-2026-87993

HIGH 7.7

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

CVSS Score

7.7

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-532
Vendor	hashicorp
Product	tooling
Published	Sep 10, 2026
Last Updated	Sep 10, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

HashiCorp / Tooling

0.27.2 < 0.43.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

discuss.hashicorp.com: https://discuss.hashicorp.com/t/hcsec-2026-38-consul-template-vulnerable-to-an-information-disclosure-issue-in-error-handling/77740

Credits

This issue was reported to HashiCorp by Ali Firas (thesmartshadow).