HashiCorp go-slug up to 0.4.3 did not fully protect against directory traversal while…
Priority LOW 38CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Partial Red Hat: 1 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-22 and the CVSS impact.
Summary
HashiCorp go-slug up to 0.4.3 did not fully protect against directory traversal while unpacking tar archives, and protections could be bypassed with specific constructions of multiple symlinks. Fixed in 0.5.0.
Why it matters now
EPSS 0.02817 86th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial github.com/hashicorp/go-slug (Go): 0.5.0Red Hat: 1 advisoryRed Hat: 1 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | github.com/hashicorp/go-slug (Go) | before 0.5.0 | 0.5.0 | Patch available | GHSA-2g5j-5x95-r6hr |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- github.com/hashicorp/go-slug (Go) Vendor— Affected before 0.5.0 Fixed in 0.5.0 Patch available GHSA-2g5j-5x95-r6hr
Remediation
- Fix · GHSA-2g5j-5x95-r6hr github.com/hashicorp/go-slug (Go) Fixed in 0.5.0 Advisory →
Red Hat 1 advisory
- RHSA-2021:1168 Released 2021-04-13 · Red Hat rating ImportantRed Hat Advanced Cluster Management 2.2.2 security and bug fix update
- Red Hat Advanced Cluster Management for Kubernetes 2.2 for RHEL 7 rhacm2/management-ingress-rhel7, rhacm2/memcached-exporter-rhel7, rhacm2/openshift-hive-rhel7 +2
- Red Hat Advanced Cluster Management for Kubernetes 2.2 for RHEL 8 rhacm2/acm-must-gather-rhel8, rhacm2/acm-operator-bundle, rhacm2/acmesolver-rhel8 +47
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Advanced Cluster Management for Kubernetes 2 | Affected | No fix yet |
Timeline
- 2026-10-02 Threatist record created from CVE-2020-29529
- 2026-10-03 Alias added: GHSA-2g5j-5x95-r6hr
References
Patch 2
Advisory 2
More HashiCorp Go-slug vulnerabilities
- TI-2025-00308 HashiCorp go-slug Vulnerable to Zip Slip Attack CVSS 3.1CRITICAL 9.1
- TI-2026-12610 Unicode normalization mismatch in go-slug ignore pattern matching may bypass intended file exclusions CVSS 3.1MEDIUM 5.5
Sources
- CVE-2020-29529 · CVE Program
- CVE-2020-29529 · NVD
- FIRST EPSS
- GHSA-2g5j-5x95-r6hr · GitHub Advisory Database · CC BY 4.0
- CVE-2020-29529 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences