CVE-2026-39349CWE-326

OrangeHRM Uses AES-ECB for Sensitive Data Encryption Enables Pattern Disclosure

Low · published April 7, 2026

CVSS v4.0
2.1
EPSS
0%
Percentile
6.4
In the wild
Unconfirmed
What it is

OrangeHRM is a comprehensive human resource management (HRM) system. From 5.0 to 5.8, OrangeHRM Open Source encrypts certain sensitive fields with AES in ECB mode, which preserves block-aligned plaintext patterns in ciphertext and enables pattern disclosure against stored data. This vulnerability is fixed in 5.8.1.

The record
Technical detail
CVSS v4.0
2.1 · LOW
Vector
CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
EPSS
0.00173 · 6.4th percentile
Weakness
CWE-326 · Inadequate Encryption Strength
Published
2026-04-07T18:22Z
EPSS history
Timeline
  • 07 APR 18:22Z
    OrangeHRM Uses AES-ECB for Sensitive Data Encryption Enables Pattern Disclosure
    cvelistv5