CVE-2026-10521

HIGHPre-NVD 7.27.2—
EchelonGraph scoreHIGH confidence

Score 7.2 from GitHub Security Advisory (severity: HIGH) published 2026-06-23. a secondary CVSS source baseline 7.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.2
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.2Exploit: NoneExposed: 0

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

An high privileged remote attacker can access a hidden configuration method, that should not be accessible by any user, to modify critical program parameters. This can result in a total loss of confidentiality, integrity and availability.

CVSS v3
7.2
EG Score
7.2(high)
EPSS
22.4%
KEV
Not listed

Published

June 23, 2026

Last Modified

June 23, 2026

Advisory Details (1)

Auto-updated Jun 23, 2026
No patch confirmed yet.
generic

MB connect line: Authenticated unintended access to critical program parameters in mbCONNECT24/mymbCONNECT24

https://www.certvde.com/en/advisories/VDE-2026-068/

Vendor Advisories for CVE-2026-10521(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 38× in last 7d / 76× 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.

  1. 2026-07-07 04:26 UTCEG score recompute
  2. 2026-07-07 04:25 UTCGHSA enrichment
  3. 2026-07-06 16:59 UTCEG score recompute
  4. 2026-07-06 16:59 UTCGHSA enrichment
  5. 2026-07-06 16:27 UTCEPSS rescore
  6. 2026-07-06 05:33 UTCEG score recompute
  7. 2026-07-06 05:33 UTCGHSA enrichment
  8. 2026-07-06 02:23 UTCEPSS rescore
  9. 2026-07-05 18:09 UTCEG score recompute
  10. 2026-07-05 18:09 UTCGHSA enrichment
  11. 2026-07-05 06:44 UTCEG score recompute
  12. 2026-07-05 06:44 UTCGHSA enrichment
  13. 2026-07-05 02:30 UTCEPSS rescore
  14. 2026-07-05 02:30 UTCEPSS rescore
  15. 2026-07-04 19:14 UTCEG score recompute
  16. 2026-07-04 19:14 UTCGHSA enrichment
  17. 2026-07-04 07:48 UTCEG score recompute
  18. 2026-07-04 07:48 UTCGHSA enrichment
  19. 2026-07-04 06:31 UTCEPSS rescore
  20. 2026-07-03 20:23 UTCEG score recompute
  21. 2026-07-03 20:23 UTCGHSA enrichment
  22. 2026-07-03 08:59 UTCEG score recompute
  23. 2026-07-03 08:59 UTCGHSA enrichment
  24. 2026-07-02 21:33 UTCEG score recompute
  25. 2026-07-02 21:33 UTCGHSA enrichment
Show 51 more
  1. 2026-07-02 10:08 UTCEG score recompute
  2. 2026-07-02 10:08 UTCGHSA enrichment
  3. 2026-07-01 22:43 UTCEG score recompute
  4. 2026-07-01 22:43 UTCGHSA enrichment
  5. 2026-07-01 15:06 UTCEPSS rescore
  6. 2026-07-01 15:06 UTCEPSS rescore
  7. 2026-07-01 11:19 UTCEG score recompute
  8. 2026-07-01 11:19 UTCGHSA enrichment
  9. 2026-06-30 23:54 UTCEG score recompute
  10. 2026-06-30 23:54 UTCGHSA enrichment
  11. 2026-06-30 23:22 UTCEPSS rescore
  12. 2026-06-30 12:29 UTCEG score recompute
  13. 2026-06-30 12:28 UTCGHSA enrichment
  14. 2026-06-30 00:58 UTCEG score recompute
  15. 2026-06-30 00:58 UTCGHSA enrichment
  16. 2026-06-29 14:06 UTCEPSS rescore
  17. 2026-06-29 13:33 UTCEG score recompute
  18. 2026-06-29 13:33 UTCGHSA enrichment
  19. 2026-06-29 02:09 UTCEG score recompute
  20. 2026-06-29 02:09 UTCGHSA enrichment
  21. 2026-06-28 14:44 UTCEG score recompute
  22. 2026-06-28 14:44 UTCGHSA enrichment
  23. 2026-06-28 14:07 UTCEPSS rescore
  24. 2026-06-28 04:56 UTCEPSS rescore
  25. 2026-06-28 04:56 UTCEPSS rescore
  26. 2026-06-28 03:19 UTCEG score recompute
  27. 2026-06-28 03:19 UTCGHSA enrichment
  28. 2026-06-27 15:54 UTCEG score recompute
  29. 2026-06-27 15:54 UTCGHSA enrichment
  30. 2026-06-27 04:29 UTCEG score recompute
  31. 2026-06-27 04:29 UTCGHSA enrichment
  32. 2026-06-27 03:08 UTCEPSS rescore
  33. 2026-06-26 17:04 UTCEG score recompute
  34. 2026-06-26 17:04 UTCGHSA enrichment
  35. 2026-06-26 05:39 UTCEG score recompute
  36. 2026-06-26 05:39 UTCGHSA enrichment
  37. 2026-06-25 18:14 UTCEG score recompute
  38. 2026-06-25 18:14 UTCGHSA enrichment
  39. 2026-06-25 13:49 UTCEPSS rescore
  40. 2026-06-25 06:47 UTCEG score recompute
  41. 2026-06-25 06:47 UTCGHSA enrichment
  42. 2026-06-24 19:20 UTCEG score recompute
  43. 2026-06-24 19:20 UTCGHSA enrichment
  44. 2026-06-24 14:05 UTCEPSS rescore
  45. 2026-06-24 06:58 UTCEG score recompute
  46. 2026-06-24 06:58 UTCGHSA enrichment
  47. 2026-06-23 21:32 UTCEPSS rescore
  48. 2026-06-23 19:32 UTCEG score recompute
  49. 2026-06-23 19:31 UTCGHSA enrichment
  50. 2026-06-23 08:05 UTCEG score recompute
  51. 2026-06-23 08:05 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-10521?
CVE-2026-10521 is a high vulnerability published on June 23, 2026. An high privileged remote attacker can access a hidden configuration method, that should not be accessible by any user, to modify critical program parameters. This can result in a total loss of confidentiality, integrity and availability.
When was CVE-2026-10521 disclosed?
CVE-2026-10521 was first published in the National Vulnerability Database on June 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-10521 actively exploited?
CVE-2026-10521 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 22.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-10521?
CVE-2026-10521 has a CVSS v3 base score of 7.2 (NVD).
How do I remediate CVE-2026-10521?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-10521, 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

Explore the affected products and dependency analysis for CVE-2026-10521

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