CVE-2026-36340

HIGHNVD 8.18.1—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.1 under NVD CVSS v3. EPSS exploit probability: 0.1%, top 72% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Elevated
8.1
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 8.1Exploit: NoneExposed: 0

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

An issue in Krayin CRM v.2.1.5 and fixed in v.2.1.6 allows a remote attacker to execute arbitrary code via the compose email function

CVSS v3
8.1
EG Score
8.1(medium)
EPSS
43.2%
KEV
Not listed

Published

April 30, 2026

Last Modified

April 30, 2026

Advisory Details (3)

Auto-updated Apr 30, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

GitHub - cybercrewinc/CVE-2026-36340: Remote Code Execution (RCE) Vulnerability in Krayin CRM v2.1.5 · GitHub

https://github.com/cybercrewinc/CVE-2026-36340
generic

Release v2.1.6 · krayin/laravel-crm · GitHub

https://github.com/krayin/laravel-crm/releases/tag/v2.1.6
generic

RCE krayin.mp4 - Google Drive

https://drive.google.com/file/d/1yBdvbrXGf9fsFckmK9zTe2v8_vDtdicH/view

Affected Packages

(1 across 1 ecosystem)
Packagist(1)
PackageVulnerable rangeFixed inDependents
krayin/laravel-crm2.1.5, v2.1.52.1.6—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 9× in last 7d / 39× 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 111 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-36340?
CVE-2026-36340 is a high vulnerability published on April 30, 2026. An issue in Krayin CRM v.2.1.5 and fixed in v.2.1.6 allows a remote attacker to execute arbitrary code via the compose email function
When was CVE-2026-36340 disclosed?
CVE-2026-36340 was first published in the National Vulnerability Database on April 30, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-36340 actively exploited?
CVE-2026-36340 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 43.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-36340?
CVE-2026-36340 has a CVSS v3 base score of 8.1 (NVD).
How do I remediate CVE-2026-36340?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-36340, 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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