CVE-2026-50758

HIGHPre-NVD 8.18.1—
EchelonGraph scoreMEDIUM confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-07-21. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
8.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 8.1Exploit: None knownExposed: 0

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

Cross Site Scripting vulnerability in DayuanJiang next-ai-draw-io 0.4.13 allows a remote attacker to execute arbitrary code via the mcp parameter

CVSS v3
8.1
EG Score
8.1(medium)
EG Risk
37(Track)
EG Risk 37/100SSVC: 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
Severity81% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
51%
KEV
Not listed

Published

July 21, 2026

Last Modified

July 22, 2026

Advisory Details (3)

Auto-updated Jul 22, 2026
No patch confirmed yet.
generic

Reflected XSS via Session ID Injection in next-ai-draw-io MCP Server · Issue #755 · DayuanJiang/next-ai-draw-io · GitHub

https://github.com/DayuanJiang/next-ai-draw-io/issues/755
generic

Yu/CVE-2026-50758.md at main · August829/Yu · GitHub

https://github.com/August829/Yu/blob/main/CVE-2026-50758.md
generic

58ead8e7e02026011 · Issue #17 · August829/CVEP · GitHub

https://github.com/August829/CVEP/issues/17

Vendor Advisories for CVE-2026-50758(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 20× in last 7d / 107× 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 140 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-50758?
CVE-2026-50758 is a high vulnerability published on July 21, 2026. Cross Site Scripting vulnerability in DayuanJiang next-ai-draw-io 0.4.13 allows a remote attacker to execute arbitrary code via the mcp parameter
When was CVE-2026-50758 disclosed?
CVE-2026-50758 was first published in the National Vulnerability Database on July 21, 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-2026-50758 actively exploited?
CVE-2026-50758 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 49.0% of all scored CVEs.
What is the CVSS score of CVE-2026-50758?
CVE-2026-50758 has a CVSS v3.1 base score of 8.1 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-50758?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-50758, 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.

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