CVE-2026-124502: Auth Bypass (CVSS 4.3)

Description

A security vulnerability has been detected in yungifez Skuul School Management System up to 2.6.3. Affected by this vulnerability is the function GraduationController::resetGraduation of the file app/Http/Controllers/GraduationController.php of the component Delete Handler. Such manipulation of the argument student leads to missing authorization. The attack can be executed remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 3.0.0 addresses this issue. The name of the patch is b42f2c80a8e5e01ca6e607bbd97f137ede368ac9. The affected component should be upgraded.

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CVSS v3.1 Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

EPSS — Exploit Prediction

0.0022

Probability of exploitation

0.12%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-862 Missing Authorization

CWE-863 Incorrect Authorization

References

Other References

https://gist.github.com/mrvirus2006/94d6e1ed1d6cd9ddf6412c734a76243d https://github.com/yungifez/skuul/commit/b42f2c80a8e5e01ca6e607bbd97f137ede368ac9 https://github.com/yungifez/skuul/pull/433 https://github.com/yungifez/skuul/releases/tag/v3.0.0 https://vuldb.com/cve/CVE-2026-124502 https://vuldb.com/submit/1034853 https://vuldb.com/vuln/432807 https://vuldb.com/vuln/432807/cti

Frequently Asked Questions

What is CVE-2026-124502? +

A security vulnerability has been detected in yungifez Skuul School Management System up to 2.6.3. Affected by this vulnerability is the function GraduationController::resetGraduation of the file app/Http/Controllers/GraduationController.php of the component Delete Handler. Such manipulation of the argument student leads to missing authorization. The attack can be executed remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 3.0.0 addresses this issue. The name of the patch is b42f2c80a8e5e01ca6e607bbd97f137ede368ac9. The affected component should be upgraded. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2026-124502? +

CVE-2026-124502 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0022, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-124502? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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