CVE-2026-10275

A flaw has been found in OpenSC up to 0.26.1. This affects the function test_kpgen_certwrite of the file src/tools/pkcs11-tool.c of the component pkcs11-tool Key Generation Module. This manipulation causes buffer overflow. The attack is possible to be carried out remotely. The complexity of an attack is rather high. It is indicated that the exploitability is difficult. The exploit has been published and may be used. Patch name: 814f745b3b6d100295f65f1935edd33d520d33ab. It is recommended to apply a patch to fix this issue.

• CWE-119
• CWE-120

• https://github.com/OpenSC/OpenSC/
• https://github.com/OpenSC/OpenSC/commit/814f745b3b6d100295f65f1935edd33d520d33ab
• https://github.com/OpenSC/OpenSC/issues/3682
• https://github.com/OpenSC/OpenSC/pull/3684
• https://pan.baidu.com/s/1nrZPKDz2eAcCpsaFiIRlrg
• https://vuldb.com/cve/CVE-2026-10275
• https://vuldb.com/submit/825403
• https://vuldb.com/vuln/367568
• https://vuldb.com/vuln/367568/cti

Published

Jun 1, 2026

Last Modified

Jul 22, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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