Opencryptoki is a niche cryptographic middleware library that provides PKCS#11 interface support for hardware security modules and cryptographic tokens, despite limited product scope holding prominence within the specialized hardware-security and cryptographic-token deployment ecosystem. Its recurring vulnerability signal centers on file-access and information-disclosure weaknesses, including symlink-following conditions, buffer-size miscalculations, and side-channel discrepancies that reflect the sensitive nature of credential and key-material handling in cryptographic libraries. Current severity, exploitation, and exposure counts are shown alongside this summary.
The number and severity of CVEs published that impact products developed by Opencryptoki Project over time
Signals from CVEs in this vendor scope (7 CVEs).
7 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2026-23893MEDIUM openCryptoki is a PKCS#11 library and provides tooling for Linux and AIX. Versions 2.3.2 and above are vulnerable to symlink-following when running in privileged contexts. A token- | Jan 22, 2026 | 6.8 | 27 | NO | NO |
CVE-2026-22791MEDIUM openCryptoki is a PKCS#11 library and tools for Linux and AIX. In 3.25.0 and 3.26.0, there is a heap buffer overflow vulnerability in the CKM_ECDH_AES_KEY_WRAP implementation allow | Jan 13, 2026 | 6.1 | 24 | NO | NO |
CVE-2026-40253MEDIUM openCryptoki is a PKCS#11 library and provides tooling for Linux and AIX. In versions 3.26.0 and below, the BER/DER decoding functions in the shared common library (asn1.c) accept | Apr 16, 2026 | 6.1 | 22 | NO | NO |
CVE-2024-0914MEDIUM A timing side-channel vulnerability has been discovered in the opencryptoki package while processing RSA PKCS#1 v1.5 padded ciphertexts. This flaw could potentially enable unauthor | Jan 31, 2024 | 5.9 | 19 | NO | NO |
CVE-2021-3798MEDIUM A flaw was found in openCryptoki. The openCryptoki Soft token does not check if an EC key is valid when an EC key is created via C_CreateObject, nor when C_DeriveKey is used with E | Aug 23, 2022 | 5.5 | 19 | NO | NO |
CVE-2012-4455MEDIUM openCryptoki 2.4.1 allows local users to create or set world-writable permissions on arbitrary files via a symlink attack on the (1) LCK..opencryptoki or (2) LCK..opencryptoki_stdl | Oct 10, 2012 | 6.2 | 19 | NO | NO |
openCryptoki before 2.4.1, when using spinlocks, allows local users to create or set world-writable permissions on arbitrary files via a symlink attack on the (1) .pkapi_xpk or (2) | Oct 10, 2012 | 2.9 | 14 | NO | NO |
Signals from CVEs in this vendor scope (7 CVEs).
An overview of all social media posts that mention a CVE ID that affects a product developed by Opencryptoki Project.
Media articles that mention a CVE ID that affects a product developed by Opencryptoki Project — matched by CVE ID, not by vendor name.