What is CVE-2026-38526?

CVE-2026-38526 is a critical-severity vulnerability in N/a, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.9/10. Published 2026-04-14.

How severe is CVE-2026-38526?

Critical severity. CVSS v3 base score is 9.9 out of 10.

Is CVE-2026-38526 known to be exploited?

15 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Arbitrary file upload in N/a

CVE-2026-38526

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.

Vulnerability class: Unrestricted File Upload

Published 2026-04-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.024 (83.0th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.038 · newest: 0.024 · change: -0.015

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2026-38526?: CVE-2026-38526 is a critical-severity vulnerability in N/a, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.9/10. Published 2026-04-14.
How severe is CVE-2026-38526?: Critical severity. CVSS v3 base score is 9.9 out of 10.
Is CVE-2026-38526 known to be exploited?: 15 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.