CVE-2026-10592 — MEDIUM (5.3)

Q: How severe is CVE-2026-10592?

CVE-2026-10592 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-10592?

Check the references section above for vendor advisories and patch information. Affected products include: Wolfssl Wolfssl.

Vulnerability Description

Certificates with wildcard DNS SANs (e.g. *.example.com) bypassed CA name-constraint checks. A certificate with a wildcard DNS SAN that should be rejected by the issuing CA's permitted/excluded DNS name constraints could be accepted.

CVSS Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Wolfssl	Wolfssl	>= 3.9.10, < 5.9.2

Related Weaknesses (CWE)

CWE-295

References

https://github.com/wolfSSL/wolfssl/pull/10549Issue TrackingPatch
https://www.wolfssl.com/docs/security-vulnerabilities/Vendor Advisory

FAQ

What is CVE-2026-10592?

CVE-2026-10592 is a vulnerability with a CVSS score of 5.3 (MEDIUM). Certificates with wildcard DNS SANs (e.g. *.example.com) bypassed CA name-constraint checks. A certificate with a wildcard DNS SAN that should be rejected by the issuing CA's permitted/excluded DNS na...

How severe is CVE-2026-10592?

CVE-2026-10592 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-10592?

Check the references section above for vendor advisories and patch information. Affected products include: Wolfssl Wolfssl.