CVE-2026-14978 json
Unicode normalization mismatch in go-slug ignore pattern matching may bypass intended file exclusions
published 2026-08-19 2 mo ago modified 2026-09-04 2 mo ago also EUVD-2026-63099
- cvss
- 5.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.1%
- EPSS 0.1% chance of exploitation in 30 days, percentile 3%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2026-14978 updated cvss 5.5
github.com/hashicorp/go-slug: go-slug: Sensitive file inclusion via Unicode normalization mismatch
-
Red Hat Hardened Images opentofu1.12 1.12.5-0.2.hum1, opentofu1.10 1.10.10-0.3.hum1, opentofu1.11 1.11.14-0.1.hum1not affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 mo ago
Exploit prediction
0.14% chance of exploitation in the next 30 days, higher than 3% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
Affected products
- HashiCorp go-slug
Classification
- Weakness
-
- CWE-176 Improper Handling of Unicode Encoding
References
-
ibm.com
/support/pages/node/7284170
vendor-advisory, patch
Sources
- CVE List CVE-2026-14978
- NVD CVE-2026-14978
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.