CVE-2026-7511
Received Received - Intake
PKCS7 Verify Signer Confusion Vulnerability

Publication date: 2026-06-25

Last updated on: 2026-06-25

Assigner: wolfSSL Inc.

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.
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Meta Information
Published
2026-06-25
Last Modified
2026-06-25
Generated
2026-06-26
AI Q&A
2026-06-26
EPSS Evaluated
N/A
NVD
CVE-2026-7511
EUVD
EUVD-2026-39581
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
wolfssl pkcs7_verify *
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-347 The product does not verify, or incorrectly verifies, the cryptographic signature for data.
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Executive Summary

This vulnerability involves PKCS7_verify where there is a signer confusion issue. It allows forged signatures to be accepted because the signer associated with a signature is not correctly bound, meaning the system can be tricked into accepting a signature that was not actually created by the claimed signer.

Impact Analysis

The impact of this vulnerability is that an attacker could create forged signatures that appear valid. This could lead to acceptance of unauthorized or malicious data, potentially compromising the integrity and authenticity of signed information.

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