CVE-2026-39349

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

State: Published
Severity: 2.1 Low
Published: Apr 7, 2026
Updated: Apr 7, 2026
Reserved: Apr 6, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	2.1 Low	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	GitHub_M

Weaknesses

CWE-326 Inadequate Encryption Strength

Affected Products

Product	Versions
orangehrmorangehrm	>= 5.0, < 5.8.1Affected

References

https://github.com/orangehrm/orangehrm/security/advisories/GHSA-g29m-3jgj-gprg

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