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CVE-2026-2556— cskefu Endpoint MediaController.java server-side request forgery

Quick assessment

Affected
n/a cskefu
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.

cskefu（春松客服）是中国Chatopera开源的一种开源、免费的智能客服系统。 cskefu 8.0.1及之前版本存在安全漏洞，该漏洞源于文件com/cskefu/cc/controller/resource/MediaController.java中组件Endpoint对参数url的操作不当，可能导致服务端请求伪造攻击。

CVSS 6.3 · Medium EPSS 0.41% · P34

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-2556

Vulnerability Information
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Vulnerability Title
cskefu Endpoint MediaController.java server-side request forgery
Source: CVE Program / CVE List V5
Vulnerability Description
A security vulnerability has been detected in cskefu up to 8.0.1. This issue affects some unknown processing of the file com/cskefu/cc/controller/resource/MediaController.java of the component Endpoint. The manipulation of the argument url leads to server-side request forgery. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
cskefu 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
cskefu（春松客服）是中国Chatopera开源的一种开源、免费的智能客服系统。 cskefu 8.0.1及之前版本存在安全漏洞，该漏洞源于文件com/cskefu/cc/controller/resource/MediaController.java中组件Endpoint对参数url的操作不当，可能导致服务端请求伪造攻击。
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
- cskefu 8.0.0 cpe:2.3:a:cskefu:cskefu:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-2556

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III. Intelligence Information for CVE-2026-2556

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

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CVE-2026-2558 6.3 MEDIUM GeekAI net_handler.go Download 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-2026-2551 5.4 MEDIUM ZenTao Backup 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: cskefu
Same vendor: n/a
Same weakness: CWE-918

V. Comments for CVE-2026-2556

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