How severe is CVE-2026-10592?

CVE-2026-10592 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2026-10592 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-10592?

CVE-2026-10592 affects Wolfssl. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-10592?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-10592 have an EU (EUVD) identifier?

Yes. CVE-2026-10592 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-39549.

When was CVE-2026-10592 published?

CVE-2026-10592 was published on 2026-06-25 and last updated on 2026-06-26.

CVE-2026-10592

CVE-2026-10592 is a medium-severity vulnerability in Wolfssl with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-295.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v4: 6.3
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-39549
Weakness: CWE-295
Affected product: Wolfssl
Published: 2026-06-25
Last modified: 2026-06-26

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.

Frequently asked questions

What is CVE-2026-10592?: 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.
How severe is CVE-2026-10592?: CVE-2026-10592 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2026-10592 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-10592?: CVE-2026-10592 affects Wolfssl. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-10592?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-10592 have an EU (EUVD) identifier?: Yes. CVE-2026-10592 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-39549.
When was CVE-2026-10592 published?: CVE-2026-10592 was published on 2026-06-25 and last updated on 2026-06-26.

References

Affected products (1)

cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:*

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