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CVE-2026-29963

Quick assessment

Affected
n/a n/a
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

HSC MailInspector是巴西HSC公司的一个邮件安全分析与过滤系统。 HSC MailInspector 5.3.3-7版本存在安全漏洞，该漏洞源于端点/tap/dw.php中text参数用于构建文件路径时未充分规范化或限制到安全基目录，可能导致路径遍历。

AI Predicted 7.5 Difficulty: Trivial EPSS 3.00% · P87

Public Exploits 1

Nuclei · 1 CVE-2026-29963.yaml [template]

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery

Affected Version Matrix 1

VendorProduct Version RangeStatus
n/a n/a n/a affected
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I. Basic Information for CVE-2026-29963

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
HSC MailInspector 5.3.3-7 has a Path Traversal vulnerability due to improper validation of user-supplied input in the /tap/dw.php endpoint. The text parameter is used to construct file paths without adequate normalization or restriction to a safe base directory. A remote attacker can exploit this flaw to access arbitrary files on the underlying operating system, resulting in unauthorized disclosure of sensitive information.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
HSC MailInspector 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HSC MailInspector是巴西HSC公司的一个邮件安全分析与过滤系统。 HSC MailInspector 5.3.3-7版本存在安全漏洞，该漏洞源于端点/tap/dw.php中text参数用于构建文件路径时未充分规范化或限制到安全基目录，可能导致路径遍历。
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
- n/a n/a -

II. Public POCs for CVE-2026-29963

# POC Description Source Link Shenlong Link
1 HSC MailInspector 5.3.3-7 contains a path traversal caused by improper validation of user-supplied input in /tap/dw.php text parameter, letting remote attackers access arbitrary files, exploit requires crafted request. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-29963.yaml POC Details
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III. Intelligence Information for CVE-2026-29963

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Security Blog Posts for CVE-2026-29963 (1)

News Coverage for CVE-2026-29963 (1)

Vendor Pages for CVE-2026-29963 (1)

Same Patch Batch · n/a · 2026-05-18 · 13 CVEs total

CVE-2026-8836 9.8 CRITICAL lwIP snmpv3 USM snmp_msg.c snmp_parse_inbound_frame stack-based overflow
CVE-2026-36438 5.3 MEDIUM Intelbras VIP-1230-D-G4 安全漏洞
CVE-2026-26462 Offline Hospital Management System 安全漏洞
CVE-2026-39079 PrestaShop UPS Shipping 信息泄露漏洞
CVE-2025-57282 ngrok 命令注入漏洞
CVE-2025-56352 tinyMQTT 资源管理错误漏洞
CVE-2023-24215 NOVUS Automation AirGate 4G firmware 安全漏洞
CVE-2026-41085 Thermo Fisher Scientific Torrent Suite Dx 安全漏洞
CVE-2026-38719 OpENer 缓冲区错误漏洞
CVE-2026-29964 HSC MailInspector 跨站脚本漏洞
CVE-2026-29962 HSC MailInspector 安全漏洞
CVE-2026-29965 HSC MailInspector 跨站脚本漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2026-29963

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