CVE-2026-6731
X.509 name constraint bypass via the Subject Common Name when treated as a DNS-type name. A certificate whose Subject CN violates an issuing CA's DNS name constraints could be accepted.
- Affected products
- Wolfssl, Wolfssl Jll
- Wolfssl
- < 5.9.2
- CVSS 3.1
- 7.5 HIGH
- EPSS
- 0.2% (10th percentile)
- Weakness
- CWE-295
- NVD status
- Analyzed
- Published
- 2026-06-25
CVE-2026-6731 at NVD
No indexed exploits for CVE-2026-6731 yet
Our index is partial: it proves presence, never absence
No exploit for CVE-2026-6731 has been indexed yet. Our index is built from live traffic and upstream syncs, so this page can only say what it knows — not that no exploit exists.