Is CVE-2026-4045 actively exploited?

No active exploitation of CVE-2026-4045 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-4045 be exploited remotely?

Yes. CVE-2026-4045 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-4045?

CVE-2026-4045 has a CVSS score of 3.7 (LOW).

HOME VULNERABILITIESCVE-2026-4045

LOW

CVE-2026-4045

CWE-203Published: March 12, 2026· Updated: Mar 12, 2026

3.7

CVSS v3.1

EPSS:0.03%probability of exploitation in 30 daysPercentile:7.9th

Official Description

A flaw has been found in projectsend up to r1945. This impacts an unknown function of the file includes/Classes/Auth.php. Executing a manipulation of the argument ldap_email can lead to observable response discrepancy. The attack can be executed remotely. A high complexity level is associated with this attack. The exploitability is said to be difficult. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

NVD Source

Technical Analysis

CVE-2026-4045 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.