CVE-2026-10275

MEDIUMPre-NVD 5.05.0—
EchelonGraph scoreMEDIUM confidence

Score 5.0 from GitHub Security Advisory (severity: LOW) published 2026-06-01. the CNA's CVSS baseline 5.0; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:vuldb, epss, ghsa
Trending — 4 sources updated this week
5.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.0Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
5.0
EG Score
5.0(medium)
EPSS
21.3%
KEV
Not listed

Published

June 1, 2026

Last Modified

June 1, 2026

Advisory Details (5)

Auto-updated Jun 16, 2026
Upstream fix merged — awaiting tagged release. Sources: github_pr, github_commit.
generic

GitHub - OpenSC/OpenSC: Open source smart card tools and middleware. PKCS#11/MiniDriver · GitHub

https://github.com/OpenSC/OpenSC/
github_commit

commit 814f745b3b6d (OpenSC/OpenSC)

Fix landed in OpenSC/OpenSC commit 814f745b3b6d — awaiting tagged release

https://github.com/OpenSC/OpenSC/commit/814f745b3b6d100295f65f1935edd33d520d33ab
generic

百度网盘 请输入提取码

https://pan.baidu.com/s/1nrZPKDz2eAcCpsaFiIRlrg
github_pr

pkcs11-tool: prevent buffer overflow

Fix merged in OpenSC/OpenSC PR #3684 on 2026-05-15 — awaiting tagged release

https://github.com/OpenSC/OpenSC/pull/3684
generic

OpenSC pkcs11-tool Global Buffer Overflow Vulnerability Report · Issue #3682 · OpenSC/OpenSC · GitHub

https://github.com/OpenSC/OpenSC/issues/3682

Vendor Advisories for CVE-2026-10275(2)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 14× in last 7d / 94× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 117 total refreshes for this CVE.

  1. 2026-07-06 16:27 UTCEPSS rescore
  2. 2026-07-06 02:23 UTCEPSS rescore
  3. 2026-07-05 02:30 UTCEPSS rescore
  4. 2026-07-05 02:30 UTCEPSS rescore
  5. 2026-07-04 06:31 UTCEPSS rescore
  6. 2026-07-02 02:08 UTCEG score recompute
  7. 2026-07-02 02:08 UTCVendor advisory
  8. 2026-07-02 02:08 UTCGHSA enrichment
  9. 2026-07-01 15:06 UTCEPSS rescore
  10. 2026-07-01 15:06 UTCEPSS rescore
  11. 2026-06-30 23:22 UTCEPSS rescore
  12. 2026-06-30 23:20 UTCEG score recompute
  13. 2026-06-30 23:20 UTCVendor advisory
  14. 2026-06-30 23:20 UTCGHSA enrichment
  15. 2026-06-29 19:30 UTCEG score recompute
  16. 2026-06-29 19:30 UTCVendor advisory
  17. 2026-06-29 19:30 UTCGHSA enrichment
  18. 2026-06-29 14:06 UTCEPSS rescore
  19. 2026-06-28 19:10 UTCEG score recompute
  20. 2026-06-28 19:10 UTCVendor advisory
  21. 2026-06-28 19:10 UTCGHSA enrichment
  22. 2026-06-28 14:07 UTCEPSS rescore
  23. 2026-06-28 04:56 UTCEPSS rescore
  24. 2026-06-28 04:56 UTCEPSS rescore
  25. 2026-06-27 20:27 UTCEG score recompute
Show 75 more
  1. 2026-06-27 20:27 UTCVendor advisory
  2. 2026-06-27 20:27 UTCGHSA enrichment
  3. 2026-06-27 03:08 UTCEPSS rescore
  4. 2026-06-26 21:49 UTCEG score recompute
  5. 2026-06-26 21:49 UTCVendor advisory
  6. 2026-06-26 21:49 UTCGHSA enrichment
  7. 2026-06-25 23:10 UTCEG score recompute
  8. 2026-06-25 23:10 UTCVendor advisory
  9. 2026-06-25 23:10 UTCGHSA enrichment
  10. 2026-06-25 13:49 UTCEPSS rescore
  11. 2026-06-25 00:30 UTCEG score recompute
  12. 2026-06-25 00:30 UTCVendor advisory
  13. 2026-06-25 00:30 UTCGHSA enrichment
  14. 2026-06-24 14:05 UTCEPSS rescore
  15. 2026-06-24 01:52 UTCEG score recompute
  16. 2026-06-24 01:52 UTCVendor advisory
  17. 2026-06-24 01:52 UTCGHSA enrichment
  18. 2026-06-23 21:32 UTCEPSS rescore
  19. 2026-06-22 14:25 UTCEPSS rescore
  20. 2026-06-22 14:25 UTCEPSS rescore
  21. 2026-06-21 14:56 UTCEPSS rescore
  22. 2026-06-21 14:56 UTCEPSS rescore
  23. 2026-06-21 01:59 UTCEPSS rescore
  24. 2026-06-21 01:59 UTCEPSS rescore
  25. 2026-06-20 14:10 UTCEG score recompute
  26. 2026-06-20 14:10 UTCVendor advisory
  27. 2026-06-20 14:10 UTCGHSA enrichment
  28. 2026-06-19 19:25 UTCEPSS rescore
  29. 2026-06-18 22:01 UTCEG score recompute
  30. 2026-06-18 22:00 UTCGHSA enrichment
  31. 2026-06-18 17:52 UTCEPSS rescore
  32. 2026-06-17 19:53 UTCEG score recompute
  33. 2026-06-17 19:53 UTCGHSA enrichment
  34. 2026-06-17 17:53 UTCEPSS rescore
  35. 2026-06-16 21:13 UTCEG score recompute
  36. 2026-06-16 21:13 UTCGHSA enrichment
  37. 2026-06-16 17:52 UTCEPSS rescore
  38. 2026-06-15 22:33 UTCEG score recompute
  39. 2026-06-15 22:32 UTCGHSA enrichment
  40. 2026-06-15 17:48 UTCEPSS rescore
  41. 2026-06-14 23:54 UTCEG score recompute
  42. 2026-06-14 23:54 UTCGHSA enrichment
  43. 2026-06-14 23:18 UTCEPSS rescore
  44. 2026-06-14 01:15 UTCEG score recompute
  45. 2026-06-14 01:15 UTCGHSA enrichment
  46. 2026-06-13 23:00 UTCEPSS rescore
  47. 2026-06-13 23:00 UTCEPSS rescore
  48. 2026-06-13 02:37 UTCEG score recompute
  49. 2026-06-13 02:37 UTCGHSA enrichment
  50. 2026-06-12 23:12 UTCEPSS rescore
  51. 2026-06-12 03:56 UTCEG score recompute
  52. 2026-06-12 03:56 UTCGHSA enrichment
  53. 2026-06-11 14:00 UTCEPSS rescore
  54. 2026-06-11 05:18 UTCEG score recompute
  55. 2026-06-11 05:18 UTCGHSA enrichment
  56. 2026-06-10 22:18 UTCEPSS rescore
  57. 2026-06-10 13:22 UTCEPSS rescore
  58. 2026-06-10 06:40 UTCEG score recompute
  59. 2026-06-10 06:40 UTCGHSA enrichment
  60. 2026-06-09 08:02 UTCEG score recompute
  61. 2026-06-09 08:02 UTCGHSA enrichment
  62. 2026-06-08 14:17 UTCEPSS rescore
  63. 2026-06-08 14:17 UTCEPSS rescore
  64. 2026-06-08 09:23 UTCEG score recompute
  65. 2026-06-08 09:23 UTCGHSA enrichment
  66. 2026-06-07 15:25 UTCEPSS rescore
  67. 2026-06-07 15:24 UTCEPSS rescore
  68. 2026-06-07 10:45 UTCEG score recompute
  69. 2026-06-07 10:45 UTCGHSA enrichment
  70. 2026-06-06 13:47 UTCEPSS rescore
  71. 2026-06-06 13:47 UTCEPSS rescore
  72. 2026-06-06 13:47 UTCEPSS rescore
  73. 2026-06-06 12:07 UTCEG score recompute
  74. 2026-06-06 12:07 UTCGHSA enrichment
  75. 2026-06-05 22:47 UTCEPSS rescore

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-10275?
CVE-2026-10275 is a medium vulnerability published on June 1, 2026. A flaw has been found in OpenSC up to 0.26.1. This affects the function testkpgencertwrite 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…
When was CVE-2026-10275 disclosed?
CVE-2026-10275 was first published in the National Vulnerability Database on June 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-10275 actively exploited?
CVE-2026-10275 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 21.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-10275?
CVE-2026-10275 has a CVSS v4.0 base score of 5.0 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-10275?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-10275, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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