CVE-2026-7858

CRITICALNVD 9.89.8
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-06-01. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.8Exploit: None knownExposed: 0

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

A Deserialization of Untrusted Data vulnerability affecting Teamwork Cloud from No Magic Release 2022x through No Magic Release 2026x and Magic Collaboration Studio from CATIA Magic Release 2022x through CATIA Magic Release 2026x could lead to an unauthenticated remote code execution.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
59(Track)
EG Risk 59/100SSVC: 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
Severity98% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
45%
KEV
Not listed

Published

June 1, 2026

Last Modified

July 22, 2026

Advisory Details (1)

Auto-updated Sep 16, 2026
No patch confirmed yet.

Vendor Advisories for CVE-2026-7858(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 / 32× 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 404 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-7858?
CVE-2026-7858 is a critical vulnerability published on June 1, 2026. A Deserialization of Untrusted Data vulnerability affecting Teamwork Cloud from No Magic Release 2022x through No Magic Release 2026x and Magic Collaboration Studio from CATIA Magic Release 2022x through CATIA Magic Release 2026x could lead to an unauthenticated remote code execution.
When was CVE-2026-7858 disclosed?
CVE-2026-7858 was first published in the National Vulnerability Database on June 1, 2026, with the most recent update on July 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-7858 actively exploited?
CVE-2026-7858 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 55.5% of all scored CVEs.
What is the CVSS score of CVE-2026-7858?
CVE-2026-7858 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-7858?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-7858, 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-2026-7858

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