CVE-2026-7511CWE-347

PKCS7_verify signer confusion allows forged signatures to be accepted

Medium · published June 25, 2026

CVSS v4.0
5.9
EPSS
0%
Percentile
16.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.9 · MEDIUM
Vector
CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
EPSS
0.00255 · 16.2th percentile
Weakness
CWE-347 · Improper Verification of Cryptographic Signature
Published
2026-06-25T21:32Z
EPSS history
Timeline
  • 25 JUN 21:32Z
    PKCS7_verify signer confusion allows forged signatures to be accepted
    cvelistv5