CVE-2026-5061

Consul-template vulnerable to sandbox path bypass in file helper via a symlink attack

At a glance

Severity: MEDIUM 4.7
EPSS: EPSS 0.15 % · percentile 4 (2026-10-27)
State: PUBLISHED
Published: 2026-05-12
Updated: 2026-05-12
Assigner: HashiCorp
NVD status: Deferred

Description

The consul-template library before version 0.42.0 is vulnerable to a sandbox path bypass in the file template helper that may allow reading an out-of-sandbox file. This vulnerability (CVE-2026-5061) is fixed in consul-template 0.42.0.

Scores

Version	Score	Vector	Scored by
CVSS 3.1	MEDIUM 4.7	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N	HashiCorp
CVSS 3.1	MEDIUM 4.7	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N	NVD · security@hashicorp.com (Secondary)

Weaknesses (CWE)

CWE-59

European references

ENISA EUVD · EUVD-2026-29483
GCVE · GCVE-0-2026-5061

Affected products

Product	Versions
HashiCorp · Tooling	affected 0.1.0 < 0.42.0

References

https://discuss.hashicorp.com/t/hcsec-2026-12-consul-template-vulnerable-to-sandbox-path-bypass-in-file-helper-through-symlink-attack/77414

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD