Auth bypass in Sourcecodester Leave Application System

CVE-2026-5326

A vulnerability was identified in SourceCodester Leave Application System 1.0. Impacted is an unknown function of the file /index.php?page=manage_user of the component User Information Handler. Such manipulation of the argument ID leads to authorization bypass. The attack can be executed remotely. The exploit is publicly available and might be used.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.005 (41.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 41.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-5326: held from 0.004 to 0.005.

EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.001

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-5326?
CVE-2026-5326 is a medium-severity vulnerability in Sourcecodester Leave Application System, classified under Improper Authorization. CVSS score: 5.3/10. Published 2026-04-02.
How severe is CVE-2026-5326?
Medium severity. CVSS v3 base score is 5.3 out of 10.