Unicode normalization mismatch in go-slug ignore pattern matching may bypass intended file exclusions (CVE-2026-14978) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-14978

Unicode normalization mismatch in go-slug ignore pattern matching may bypass intended file exclusions

Answer in brief

CVE-2026-14978 records a Unknown severity vulnerability in Unicode normalization mismatch in go-slug ignore pattern matching may bypass intended file exclusions. The current sources do not mark it as known exploited. The current feed maps HashiCorp/go-slug (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 19, 2026Updated Aug 19, 2026Source checked Aug 19, 2026First seen by HOL Aug 19, 2026Material review Aug 19, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Not reported

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps HashiCorp/go-slug (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
HashiCorp/go-sluggeneric	0.4.0	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for HashiCorp/go-slug.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Aug 19, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Aug 19, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Aug 19, 2026

Sources and claim methodology

Source referenceibm.com

Upstream source description

HashiCorp go-slug 0.4.0 through 0.18.2 could allow a local attacker to bypass .terraformignore exclusions and cause sensitive files to be included in Terraform slug uploads due to improper handling of Unicode normalization during path matching.

Quoted source text, attributed separately from HOL analysis.