CVE-2026-3977— projectsend AJAX Endpoints authorization
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I. Basic Information for CVE-2026-3977
Vulnerability Information
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Vulnerability Title
projectsend AJAX Endpoints authorization
Source: NVD (National Vulnerability Database)
Vulnerability Description
A security vulnerability has been detected in projectsend up to r1945. The affected element is an unknown function of the component AJAX Endpoints. The manipulation leads to missing authorization. The attack can be initiated remotely. The identifier of the patch is 35dfd6f08f7d517709c77ee73e57367141107e6b. To fix this issue, it is recommended to deploy a patch.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制缺失
Source: NVD (National Vulnerability Database)
Vulnerability Title
ProjectSend 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ProjectSend（cFTP）是ProjectSend开源的一套基于PHP和MySQL的自托管应用程序。 ProjectSend r1945及之前版本存在安全漏洞，该漏洞源于缺少授权，可能导致未经授权的访问。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | projectsend | r1945 | cpe:2.3:a:projectsend:projectsend:*:*:*:*:*:*:*:* |
II. Public POCs for CVE-2026-3977
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|---|
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Same Patch Batch · n/a · 2026-03-12 · 20 CVEs total
| CVE-2026-4039 | 6.3 MEDIUM | OpenClaw Skill Env applySkillConfigenvOverrides code injection |
| CVE-2026-4016 | 5.3 MEDIUM | GPAC SVG Parser load_svg.c svgin_process out-of-bounds write |
| CVE-2026-4015 | 5.3 MEDIUM | GPAC TeXML File load_text.c txtin_process_texml stack-based overflow |
| CVE-2026-4044 | 3.8 LOW | projectsend Delete import-orphans.php realpath path traversal |
| CVE-2026-4045 | 3.7 LOW | projectsend Auth.php response discrepancy |
| CVE-2026-4040 | 3.3 LOW | OpenClaw File Existence tools.exec.safeBins information exposure |
| CVE-2026-25817 | HMS Ewon Flexy和HMS Networks HMS Cosy+ 安全漏洞 | |
| CVE-2026-25823 | HMS Ewon Flexy和HMS Networks HMS Cosy+ 安全漏洞 | |
| CVE-2026-25818 | HMS Cosy+和HMS Ewon Flexy 安全漏洞 | |
| CVE-2026-25819 | HMS Cosy+和HMS Ewon Flexy 安全漏洞 | |
| CVE-2025-61154 | libredwg 安全漏洞 | |
| CVE-2025-70245 | D-Link DIR-513 安全漏洞 | |
| CVE-2025-70873 | SQLite 安全漏洞 | |
| CVE-2025-66955 | Asseco SEE Live 安全漏洞 | |
| CVE-2026-26793 | GL-iNet GL-AR300M16 安全漏洞 | |
| CVE-2026-26792 | GL-iNet GL-AR300M16 安全漏洞 | |
| CVE-2026-26794 | GL-iNet GL-AR300M16 安全漏洞 | |
| CVE-2026-26795 | GL-iNet GL-AR300M16 安全漏洞 | |
| CVE-2026-26791 | GL-iNet GL-AR300M16 安全漏洞 |
IV. Related Vulnerabilities
Same product: projectsend
- CVE-2021-47947
Projectsend r1295 Stored Cross-Site Scripting via files-edit - CVE-2026-5624
ProjectSend upload.php cross-site request forgery - CVE-2026-4045
projectsend Auth.php response discrepancy - CVE-2026-4044
projectsend Delete import-orphans.php realpath path traversa - CVE-2023-53980
ProjectSend r1605 Remote Code Execution via File Extension M
Same vendor: n/a
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Open5GS SMF smf_nsmf_handle_create_sm_context denial of serv - CVE-2026-8268
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Same weakness: CWE-862
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Kirby: User avatar creation, replacement and deletion are no - CVE-2026-42137
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V. Comments for CVE-2026-3977
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