CVE-2026-4104

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-06-04. a secondary CVSS source baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 9.8Exploit: NoneExposed: 0

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

Authorization bypass through User-Controlled SQL primary key vulnerability in Akmer Informatics Automation Industry and Trade Ltd. Co. TeknoPass allows SQL Injection.

This issue affects TeknoPass: from 20210501 through 20260429.

CVSS v3
9.8
EG Score
9.8(medium)
EPSS
22.1%
KEV
Not listed

Published

June 4, 2026

Last Modified

June 4, 2026

Advisory Details (1)

Auto-updated Jun 20, 2026
No patch confirmed yet.
generic

T.C. Siber Güvenlik Başkanlığı

https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0309

Vendor Advisories for CVE-2026-4104(1)

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

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 26× in last 7d / 192× 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 340 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-4104?
CVE-2026-4104 is a critical vulnerability published on June 4, 2026. Authorization bypass through User-Controlled SQL primary key vulnerability in Akmer Informatics Automation Industry and Trade Ltd. Co. TeknoPass allows SQL Injection. This issue affects TeknoPass: from 20210501 through 20260429.
When was CVE-2026-4104 disclosed?
CVE-2026-4104 was first published in the National Vulnerability Database on June 4, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-4104 actively exploited?
CVE-2026-4104 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 22.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-4104?
CVE-2026-4104 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-4104?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-4104, 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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