[UPDATE] [low] OpenSC: Multiple vulnerabilities allow unspecified attack
An attacker with physical access can exploit multiple vulnerabilities in OpenSC to conduct an unspecified attack.
CSIRTS triage
- What
- Multiple vulnerabilities allow unspecified attacks.
- Who is affected
- Attackers with physical access to OpenSC.
- Urgency
- Low urgency as the attacker requires physical access.
- Action
- Review physical security measures and monitor for potential exploits.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1755
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-405100.22% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 12% of all scored CVEs.
- Low exploitation riskCVE-2026-405280.15% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 4% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-40510 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-40528 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for OpenSC
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- medium[UPDATE] [medium] OpenSC: Vulnerability allows code executioncert-bund · 2026-07-08
- mediumCVE-2026-10275: OpenSC pkcs11-tool Key Generation pkcs11-tool.c test_kpgen_certwrite buffer overflowmsrc · 2026-06-09
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