{"schema_version":1,"title":"OpenSC vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 5 vulnerabilities in OpenSC: 0 in the last 7 days and 1 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-103531, was published on 1 October 2026. Nothing in the last four weeks, down from 1 vulnerability in the four before.","url":"https://junglewise.ai/threats/vendors/opensc","json_url":"https://junglewise.ai/threats/vendors/opensc.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/vendors/opensc","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"vendor","thin":true,"counts":{"high":0,"all_time":5,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":1,"last_365_days":5},"latest":[{"cve":"CVE-2026-103531","cvss":5.5,"epss":0.0019,"slug":"cve-2026-103531-a-flaw-has-been-found-in-opensc-up-to-0-27-1-the-impacted","title":"OpenSC stack-based buffer overflow in setcos_construct_fci_44","severity":"medium","exploited":false,"published_at":"2026-10-01T01:16:35.963+00:00","url":"https://junglewise.ai/threats/cve-2026-103531-a-flaw-has-been-found-in-opensc-up-to-0-27-1-the-impacted"},{"cve":"CVE-2026-10275","cvss":5,"slug":"cve-2026-10275-opensc-pkcs11-tool-buffer-overflow-in-test-kpgen-certwrite","title":"OpenSC pkcs11-tool buffer overflow in test_kpgen_certwrite","severity":"medium","exploited":false,"published_at":"2026-06-01T17:16:44.247+00:00","url":"https://junglewise.ai/threats/cve-2026-10275-opensc-pkcs11-tool-buffer-overflow-in-test-kpgen-certwrite"},{"cve":"CVE-2026-40528","cvss":3.8,"slug":"cve-2026-40528-opensc-buffer-overrun-in-do-key-value-function","title":"OpenSC buffer overrun in do_key_value function","severity":"low","exploited":false,"published_at":"2026-05-29T14:16:26.73+00:00","url":"https://junglewise.ai/threats/cve-2026-40528-opensc-buffer-overrun-in-do-key-value-function"},{"cve":"CVE-2026-40510","cvss":3.8,"slug":"cve-2026-40510-opensc-stack-buffer-overflow-in-piv-card-history-processing","title":"OpenSC stack buffer overflow in PIV card history processing","severity":"low","exploited":false,"published_at":"2026-05-29T14:16:26.54+00:00","url":"https://junglewise.ai/threats/cve-2026-40510-opensc-stack-buffer-overflow-in-piv-card-history-processing"},{"cve":"CVE-2025-13763","cvss":5.7,"epss":0.0018,"slug":"cve-2025-13763-opensc-libopensc-uninitialized-variables-in-card-detection","title":"OpenSC libopensc uninitialized variables in card detection","severity":"medium","exploited":false,"published_at":"2026-04-23T13:16:09.697+00:00","url":"https://junglewise.ai/threats/cve-2025-13763-opensc-libopensc-uninitialized-variables-in-card-detection"}],"vendor":{"hub":true,"name":"OpenSC","slug":"opensc","description":"OpenSC is an open-source library and set of tools for working with smart cards and cryptographic tokens.","url":"https://junglewise.ai/threats/vendors/opensc"},"weekly":[{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-10-05","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-12","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-19","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-26","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-11-02","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-11-09","critical":0,"exploited":0,"vulnerabilities":0}],"most_severe":[{"cve":"CVE-2025-13763","cvss":5.7,"epss":0.0018,"slug":"cve-2025-13763-opensc-libopensc-uninitialized-variables-in-card-detection","title":"OpenSC libopensc uninitialized variables in card detection","severity":"medium","exploited":false,"published_at":"2026-04-23T13:16:09.697+00:00","url":"https://junglewise.ai/threats/cve-2025-13763-opensc-libopensc-uninitialized-variables-in-card-detection"},{"cve":"CVE-2026-103531","cvss":5.5,"epss":0.0019,"slug":"cve-2026-103531-a-flaw-has-been-found-in-opensc-up-to-0-27-1-the-impacted","title":"OpenSC stack-based buffer overflow in setcos_construct_fci_44","severity":"medium","exploited":false,"published_at":"2026-10-01T01:16:35.963+00:00","url":"https://junglewise.ai/threats/cve-2026-103531-a-flaw-has-been-found-in-opensc-up-to-0-27-1-the-impacted"},{"cve":"CVE-2026-10275","cvss":5,"slug":"cve-2026-10275-opensc-pkcs11-tool-buffer-overflow-in-test-kpgen-certwrite","title":"OpenSC pkcs11-tool buffer overflow in test_kpgen_certwrite","severity":"medium","exploited":false,"published_at":"2026-06-01T17:16:44.247+00:00","url":"https://junglewise.ai/threats/cve-2026-10275-opensc-pkcs11-tool-buffer-overflow-in-test-kpgen-certwrite"},{"cve":"CVE-2026-40528","cvss":3.8,"slug":"cve-2026-40528-opensc-buffer-overrun-in-do-key-value-function","title":"OpenSC buffer overrun in do_key_value function","severity":"low","exploited":false,"published_at":"2026-05-29T14:16:26.73+00:00","url":"https://junglewise.ai/threats/cve-2026-40528-opensc-buffer-overrun-in-do-key-value-function"},{"cve":"CVE-2026-40510","cvss":3.8,"slug":"cve-2026-40510-opensc-stack-buffer-overflow-in-piv-card-history-processing","title":"OpenSC stack buffer overflow in PIV card history processing","severity":"low","exploited":false,"published_at":"2026-05-29T14:16:26.54+00:00","url":"https://junglewise.ai/threats/cve-2026-40510-opensc-stack-buffer-overflow-in-piv-card-history-processing"}],"generated_at":"2026-11-09T03:07:00.176479+00:00","technologies":[]}