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CVE-2026-2551— ZenTao Backup control.php delete path traversal

Quick assessment

Affected
n/a ZenTao
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Nature Easy Soft Network Technology ZenTao是中国易软天创网络科技（Nature Easy Soft Network Technology）公司的一套开源项目管理软件。该软件包括产品管理、项目管理、质量管理和文档管理等功能。 Nature Easy Soft Network Technology ZenTao 21.7.8及之前版本存在路径遍历漏洞，该漏洞源于文件editor/control.php中组件Backup Handler的函数delete对参数fileN

CVSS 5.4 · Medium EPSS 0.57% · P45

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery
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I. Basic Information for CVE-2026-2551

Vulnerability Information
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Vulnerability Title
ZenTao Backup control.php delete path traversal
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was determined in ZenTao up to 21.7.8. Affected by this vulnerability is the function delete of the file editor/control.php of the component Backup Handler. This manipulation of the argument fileName causes path traversal. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Nature Easy Soft Network Technology ZenTao 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nature Easy Soft Network Technology ZenTao是中国易软天创网络科技（Nature Easy Soft Network Technology）公司的一套开源项目管理软件。该软件包括产品管理、项目管理、质量管理和文档管理等功能。 Nature Easy Soft Network Technology ZenTao 21.7.8及之前版本存在路径遍历漏洞，该漏洞源于文件editor/control.php中组件Backup Handler的函数delete对参数fileN
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
- ZenTao 21.7.0 -

II. Public POCs for CVE-2026-2551

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III. Intelligence Information for CVE-2026-2551

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Security Blog Posts for CVE-2026-2551 (1)

Same Patch Batch · n/a · 2026-02-16 · 17 CVEs total

CVE-2026-2542 7.0 HIGH Total VPN win-service.exe unquoted search path
CVE-2026-2558 6.3 MEDIUM GeekAI net_handler.go Download server-side request forgery
CVE-2026-2556 6.3 MEDIUM cskefu Endpoint MediaController.java server-side request forgery
CVE-2026-2531 6.3 MEDIUM MindsDB File Upload security.py clear_filename server-side request forgery
CVE-2026-2552 5.5 MEDIUM ZenTao Editor control.php delete path traversal
CVE-2026-2525 5.3 MEDIUM Free5GC PFCP UDP Endpoint denial of service
CVE-2026-2524 5.3 MEDIUM Open5GS MME mme_s11_handle_create_session_response denial of service
CVE-2026-2523 5.3 MEDIUM Open5GS SMF gn-handler.c smf_gn_handle_create_pdp_context_request assertion
CVE-2026-2555 5.0 MEDIUM JeecgBoot Retrieval-Augmented Generation AiragKnowledgeController.java importDocumentFromZ
CVE-2026-2557 3.5 LOW cskefu File Upload MediaController.java upload cross site scripting
CVE-2026-2547 3.5 LOW LigeroSmart index.pl AgentDashboard cross site scripting
CVE-2026-2546 3.5 LOW LigeroSmart index.pl cross site scripting
CVE-2026-2545 3.5 LOW LigeroSmart index.pl cross site scripting
CVE-2025-65716 Markdown Preview Enhanced 安全漏洞
CVE-2025-65715 Code Runner 安全漏洞
CVE-2025-65717 Live Server 安全漏洞

IV. Related Vulnerabilities

Same product: ZenTao
Same vendor: n/a
Same weakness: CWE-22

V. Comments for CVE-2026-2551

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