CVE-2026-7511

MEDIUM CVSS 4.0: 5.9 EPSS 0.26%
Updated Jun 27, 2026
Wolfssl
Parameter Value
CVSS 5.9 (MEDIUM)
Affected Versions 3.15.5 — 5.9.2
Fixed In 5.9.2
Type CWE-347 (Improper Verification of Cryptographic Signature)
Vendor Wolfssl
Public PoC No

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.

Attack Parameters

Attack Vector
Adjacent
Requires local network access
Attack Complexity
High
Difficult to exploit
Attack Requirements
Present
Additional conditions required
Privileges Required
None
No privileges needed
User Interaction
Passive
Minimal interaction

Impact Assessment

Confidentiality
None
No data leak
Integrity
High
Complete data modification
Availability
None
No disruption

CVSS Vector v4.0

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Wolfssl Wolfssl
cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:*
3.15.5 5.9.2