Low severity · published Mar 12, 2026
CVE-2026-4045
projectsend Auth.php response discrepancy
3.7
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 22% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PR
projectsend · Projectsend
r1945 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-4045
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-4045
drive.google.com
https://drive.google.com/file/d/1TNwWNTcra2ykx0yXpATPmsPgJxIxOrWb/view?usp=sharing
vuldb.com
https://vuldb.com/?ctiid.350657
vuldb.com
https://vuldb.com/?id.350657
vuldb.com
https://vuldb.com/?submit.769577
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