CVE-2026-7511 PKCS7_verify signer confusion allows forged signatures to be accepted
Attackers can forge PKCS7 signatures due to signer confusion, bypassing verification in wolfSSL applications.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-7511?
CVE-2026-7511 is a medium-severity vulnerability in Wolfssl Wolfssl, published on 25 Jun 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-347
Which versions are affected by CVE-2026-7511?
It affects 1 product.
Products include Wolfssl Wolfssl.
How do I fix CVE-2026-7511?
Apply the vendor's patch.
Is CVE-2026-7511 being exploited?
There is no known exploitation of CVE-2026-7511 in the wild and no public exploit code.
Other vulnerabilities in Wolfssl Wolfssl
Sources
Also known as DEBIAN-CVE-2026-7511, GHSA-69q5-vhm6-656f, JLSEC-2026-756, UBUNTU-CVE-2026-7511.