Is CVE-2026-10592 in the CISA KEV catalog?

No. CVE-2026-10592 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-10592?

CVE-2026-10592 has a CVSS v3 base score of 5.3 (Moderate).

What is the EPSS score for CVE-2026-10592?

CVE-2026-10592 has an EPSS score of 0.12% (2th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-10592?

Upgrade wolfssl to 5.9.2 or later.

CVE & CISA-KEV Catalog

CVE-2026-10592

MEDIUM

5.3

CVSS v3

NVD

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.

CWE-295Improper Certificate Validation

How to fix

Remediation Available

wolfsslNVD

Affected:>= 3.9.10, < 5.9.2Fixed in:5.9.2CVE-2026-10592derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.12%probability of exploitation in 30 days

2ndpercentile

Low risk: more likely to be exploited than 2% of all known CVEs.

References

Patch1

github.com

Vendor Advisory1

wolfssl.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-26.