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HIGH · 7.5

CVE-2026-7511

PKCS7_verify signer confusion allows forged signatures, where the signer associated with a signature is not correctly bound, permitting a forged signature to be accepted.

Vulnerability Description

PKCS7_verify signer confusion allows forged signatures, where the signer associated with a signature is not correctly bound, permitting a forged signature to be accepted.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE

Affected Products

VendorProductVersions
WolfsslWolfssl>= 3.15.5, < 5.9.2

Related Weaknesses (CWE)

CWE-347

References

FAQ

What is CVE-2026-7511?

CVE-2026-7511 is a vulnerability with a CVSS score of 7.5 (HIGH). PKCS7_verify signer confusion allows forged signatures, where the signer associated with a signature is not correctly bound, permitting a forged signature to be accepted.

How severe is CVE-2026-7511?

CVE-2026-7511 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-7511?

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