CVE-2026-38526

CRITICALNVD 9.99.9—
EchelonGraph scoreMEDIUM confidence

Score 9.9 from GitHub Security Advisory (severity: CRITICAL) published 2026-04-14. NVD baseline CVSS 9.9; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
9.9EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 4%CVSS: 9.9Exploit: Elevated riskExposed: 0

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

An authenticated arbitrary file upload vulnerability in the /admin/tinymce/upload endpoint of Webkul Krayin CRM v2.2.x allows attackers to execute arbitrary code via uploading a crafted PHP file.

CVSS v3
9.9
EG Score
9.9(medium)
EG Risk
61(Track)
EG Risk 61/100SSVC: 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
Severity99% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
4%
EPSS %ILE
89%
KEV
Not listed

Published

April 14, 2026

Last Modified

April 17, 2026

Advisory Details (3)

Auto-updated Jul 27, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Security-Advisories/CVE-2026-38526/poc.md at main · TREXNEGRO/Security-Advisories · GitHub

https://github.com/TREXNEGRO/Security-Advisories/blob/main/CVE-2026-38526/poc.md
generic

GitHub - krayin/laravel-crm: Free & Opensource Laravel CRM solution for SMEs and Enterprises for complete customer lifecycle management. · GitHub

https://github.com/krayin/laravel-crm
generic🟡 PoC Available

Security-Advisories/CVE-2026-38526 at main · TREXNEGRO/Security-Advisories · GitHub

https://github.com/TREXNEGRO/Security-Advisories/tree/main/CVE-2026-38526

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 12× in last 7d / 37× 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 138 total refreshes for this CVE.

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

Publicly available exploits

(3 references)

Working exploit code is in the public domain (2 GitHub PoCs) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCCerberusMrXi/KrayinCRM-RCE-Exploit-CVE-2026-38526
    First seen Jul 13, 2026

    CVE-2026-38526 exploit for Krayin CRM v2.2.x - Authenticated RCE via TinyMCE file upload bypass. Features interactive shell, multi-type payloads, auto shell generation, and verification. Author: Sudeepa Wanigarathna. For authorized testing only.

    Open source ↗
  • Exploit-DBEDB-52629
    First seen Jul 8, 2026

    Krayin CRM v2.2.x - Authenticated Remote Code Execution

    Open source ↗
  • GitHub PoCNathanHimself/CVE-2026-38526-PoC
    First seen May 16, 2026

    CVE-2026-38526 | Krayin CRM v2.2.x Authenticated RCE - Unrestricted PHP File Upload via TinyMCE

    Open source ↗

Frequently asked(5)

What is CVE-2026-38526?
CVE-2026-38526 is a critical vulnerability published on April 14, 2026. An authenticated arbitrary file upload vulnerability in the /admin/tinymce/upload endpoint of Webkul Krayin CRM v2.2.x allows attackers to execute arbitrary code via uploading a crafted PHP file.
When was CVE-2026-38526 disclosed?
CVE-2026-38526 was first published in the National Vulnerability Database on April 14, 2026, with the most recent update on April 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-38526 actively exploited?
CVE-2026-38526 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 4% probability of exploitation in the next 30 days, which ranks it in the top 11.0% of all scored CVEs.
What is the CVSS score of CVE-2026-38526?
CVE-2026-38526 has a CVSS v3 base score of 9.9 (NVD).
How do I remediate CVE-2026-38526?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-38526, 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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