CVE-2026-10521

HIGHPre-NVD 7.27.2
EchelonGraph scoreMEDIUM 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
7.2EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 7.2Exploit: None knownExposed: 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(medium)
EG Risk
33(Track)
EG Risk 33/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity72% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
44%
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 6× in last 7d / 59× 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 215 total refreshes for this CVE.

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

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 1% probability of exploitation in the next 30 days, which ranks it in the top 55.7% of all scored CVEs.
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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