What’s Vulnerable › Vulnerabilities

CVE-2026-7532: iPAddress name constraints not enforced when WOLFSSL_IP_ALT_NAME is undefined

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-25 · updated 2026-07-01
• Weakness: CWE-295

Description

iPAddress name constraints bypass when WOLFSSL_IP_ALT_NAME is not defined. IP address name constraints are not enforced in that configuration, allowing a certificate to bypass an issuing CA's IP address constraints.

Affected products

• wolfSSL: before 5.9.2 — fixed in 5.9.2

How to fix

Upgrade to a fixed version: wolfSSL 5.9.2. Check the vendor advisory for mitigations.

References

• https://github.com/wolfSSL/wolfssl/pull/10354
• https://www.wolfssl.com/docs/security-vulnerabilities/
• https://www.talosintelligence.com/vulnerability_reports/TALOS-2026-2409

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