🛡️ CVE-2026-7511 — wolfssl

🟠 CVSS 7.5 — High ✅ No Known Exploit CWE-347 NVD
7.5
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity high, availability none.

Weakness class

CVE-2026-7511 is classified as CWE-347: Improper Verification of Cryptographic Signature. A signature is not checked correctly, so forged or modified content is accepted as genuine.

Affected software

CVE-2026-7511 is recorded against 1 package.

  • wolfssl (from 3.15.5 up to 5.9.2)

Timeline and source

Published on 25 June 2026 and last revised on 27 June 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from NVD.

References

github.com
www.wolfssl.com

Details

Severity HIGH
CVSS Score 7.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CWE CWE-347
Public Exploit ✅ No
Source NVD
Published 2026-06-25
Updated 2026-08-11
Modified 2026-06-27

Affected Packages

Software From version Fixed in
wolfssl 3.15.5 5.9.2

Similar Threats

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