TI-2026-60019 Aliases CVE-2026-87993 GHSA-h4cr-56m4-rqc8

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

LOW 34CWE-532Published 2026-09-10 · Updated 2026-09-10

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Information disclosure
Confidentiality · integrity · availability: High · None · None
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-532.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00377 31st percentileScored 2026-11-07

Fix Fixed Tooling (HashiCorp): 0.43.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
HashiCorp	Tooling	0.27.2 to before 0.43.0	0.43.0	Patch available	CNA

Tooling VendorHashiCorp Affected 0.27.2 to before 0.43.0 Fixed in 0.43.0 Patch available CNA

Remediation

Fix · CNA Tooling (HashiCorp) Fixed in 0.43.0

Timeline

2026-10-02 Threatist record created from CVE-2026-87993
2026-10-03 Alias added: GHSA-h4cr-56m4-rqc8

References

Other 1

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

TI-2024-01904 Vault Cert Auth Method Did Not Correctly Validate Non-CA Certificates CVSS 3.1CRITICAL 9.8
TI-2021-18437 HashiCorp Consul Enterprise before 1.8.17, 1.9.x before 1.9.11, and 1.10.x before 1.10.4… CVSS 3.1HIGH 8.8
TI-2026-06570 Nomad vulnerable to path traversal in dynamic host volume which may lead to code execution CVSS 3.1HIGH 8.8
TI-2020-17753 The official Consul Docker images 0.7.1 through 1.4.2 contain a blank password for a root… CVSS 3.1CRITICAL 9.8
TI-2026-13641 consul-mcp-server vulnerable to cross-tenant credential reuse in streamable-HTTP stateless mode CVSS 3.1CRITICAL 10.0
TI-2026-13778 terraform-mcp-server vulnerable to cross-tenant credential reuse in streamable-HTTP stateless mode CVSS 3.1CRITICAL 10.0

See all 246 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences