CVE-2026-36873: Sourcecodester Basic Library System v1.0 is vulnerable to SQL Injection in /librarysystem/load_admin.php.

Routine

LOW 2.7DOWNGRADE

CVE-2026-36873 is a low-severity flaw (CVSS 2.7) affecting basic library system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Sourcecodester Basic Library System v1.0 is vulnerable to SQL Injection in /librarysystem/load_admin.php.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	2.7 (Low)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.2% (top 87%)
CISA exploited list	No
Weakness	CWE-89
Published	2026-04-13
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: razormist

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-13 13:16 UTCPublished CVE record published
2026-06-17 10:41 UTCUpdated Record last modified

razormist basic library system DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy basic-library-system || rpm -q basic-library-system || basic-library-system --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison basic-library-system sudo apt install basic-library-system=<VERSION_BEFORE_1.0> sudo apt-mark hold basic-library-system

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list basic-library-system sudo dnf downgrade basic-library-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add basic-library-system

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-36873?

basic library system: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-36873 being exploited?

CVE-2026-36873 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-36873 affect?

CVE-2026-36873 affects basic library system. Severity is low (CVSS 2.7). Sourcecodester Basic Library System v1.0 is vulnerable to SQL Injection in /librarysystem/load_admin.php.

How urgent is CVE-2026-36873?

Priority 18/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2026-36874 LOW 2.7 DOWNGRADE Sourcecodester Basic Library System v1.0 is vulnerable to SQL Injection in /librarysystem/load_student.php.
CVE-2026-36872 LOW 2.7 DOWNGRADE Sourcecodester Basic Library System v1.0 is vulnerable to SQL Injection in /librarysystem/load_book.php.

References

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