HashiCorp go-slug Vulnerable to Zip Slip Attack
Priority MEDIUM 46CWE-59Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.
Summary
HashiCorp’s go-slug library is vulnerable to a zip-slip style attack when a non-existing user-provided path is extracted from the tar entry.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00677 52nd percentileScored 2026-11-07
Fix Fixed Shared library (HashiCorp): 0.16.2github.com/hashicorp/go-slug (Go): 0.16.3
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- 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 | Shared library | before 0.16.2 | 0.16.2 | Patch available | CNA |
| — | github.com/hashicorp/go-slug (Go) | before 0.16.3 | 0.16.3 | Patch available | GHSA-wpfp-cm49-9m9q |
- Shared library VendorHashiCorp Affected before 0.16.2 Fixed in 0.16.2 Patch available CNA
- github.com/hashicorp/go-slug (Go) Vendor— Affected before 0.16.3 Fixed in 0.16.3 Patch available GHSA-wpfp-cm49-9m9q
Remediation
- Fix · CNA Shared library (HashiCorp) Fixed in 0.16.2
- Fix · GHSA-wpfp-cm49-9m9q github.com/hashicorp/go-slug (Go) Fixed in 0.16.3 Advisory →
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2025-0377
- 2026-10-03 Alias added: GHSA-wpfp-cm49-9m9q
References
More HashiCorp Go-slug vulnerabilities
- TI-2020-17733 HashiCorp go-slug up to 0.4.3 did not fully protect against directory traversal while… CVSS 3.1HIGH 7.5
- TI-2026-12610 Unicode normalization mismatch in go-slug ignore pattern matching may bypass intended file exclusions CVSS 3.1MEDIUM 5.5
Sources
- CVE-2025-0377 · CVE Program
- CVE-2025-0377 · NVD
- FIRST EPSS
- GHSA-wpfp-cm49-9m9q · GitHub Advisory Database · CC BY 4.0
- CVE-2025-0377 · 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