CVE-2026-4045 (GCVE-0-2026-4045)

Vulnerability from cvelistv5 – Published: 2026-03-12 16:02 – Updated: 2026-03-12 16:51
VLAI
Title
projectsend Auth.php response discrepancy
Summary
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.
Severity
6.3 (Medium)
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
3.7 (Low)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
3.7 (Low)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-204 - Observable Response Discrepancy
  • CWE-203 - Information Exposure Through Discrepancy
Assigner
References
URL Tags
https://vuldb.com/?id.350657 vdb-entrytechnical-description
https://vuldb.com/?ctiid.350657 signaturepermissions-required
https://vuldb.com/?submit.769577 third-party-advisory
https://drive.google.com/file/d/1TNwWNTcra2ykx0yX… exploit
Impacted products
Vendor Product Version
n/a projectsend Affected: r1945
    cpe:2.3:a:projectsend:projectsend:*:*:*:*:*:*:*:*
Credits
0xNayel (VulDB User) VulDB
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.