projectsend Auth.php response discrepancy
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Attack requirements
- None
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-203.
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | projectsend | r1945 | — | No fix listed | CNA |
- projectsend Vendor— Affected r1945 Fixed in — No fix listed CNA
CPE names CNA · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:projectsend:projectsend:*:*:*:*:*:*:*:* | — | — | ProjectSend |
- cpe:2.3:a:projectsend:projectsend:*:*:*:*:*:*:*:* Versions — — ·ProjectSend
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-4045
- 2026-10-03 Alias added: GHSA-gwpq-jg4g-7ww7
References
Sources
- CVE-2026-4045 · CVE Program
- CVE-2026-4045 · NVD
- FIRST EPSS
- GHSA-gwpq-jg4g-7ww7 · GitHub Advisory Database · CC BY 4.0
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