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CVE-2026-76506— Cisco Unified Computing System Central Remote Code Execution Vulnerability

Quick assessment

Affected
Cisco Cisco Unified Computing System Central Software
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.

思科 UCS Central 软件基于 Web 的管理界面中存在一个漏洞，该漏洞可能使经过身份验证的远程攻击者能够在受影响的设备上实施远程代码执行或信息泄露攻击。 该漏洞源于对 HTTP 请求中用户提供的输入验证不足。攻击者可通过向受影响设备上的特定端点发送精心构造的 HTTP 请求来利用此漏洞。一旦成功利用，攻击者即可执行任意命令、向文件系统写入任意文件，并获取敏感信息。利用此漏洞需要攻击者拥有受影响设备上的有效用户凭证。 思科已发布软件更新以修复此漏洞。目前尚无可缓解该漏洞的临时规避措施。

CVSS 7.6 · High

Affected Version Matrix 28

VendorProduct Version RangeStatus
Cisco Cisco Unified Computing System Central Software 2.0(1e) affected
2.0(1a) affected
2.0(1h) affected
2.0(1g) affected
2.0(1c) affected
2.0(1k) affected
2.0(1l) affected
2.0(1f) affected
… +20 more rows
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I. Basic Information for CVE-2026-76506

Vulnerability Information
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Vulnerability Title
Cisco Unified Computing System Central Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the web-based management interface of Cisco UCS Central Software could allow an authenticated, remote attacker to achieve remote code execution or conduct information disclosure attacks on an affected device. This vulnerability is due to insufficient validation of user-supplied input in an HTTP request. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected endpoint on an affected device. A successful exploit could allow the attacker to execute arbitrary commands, write arbitrary files to the filesystem, and obtain sensitive information. To exploit this vulnerability, the attacker must have valid user credentials on the affected device. Cisco has released software updates that address this vulnerability There are no workarounds that address this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/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

Affected Products

Vendor Product Affected Versions CPE Subscribe
Cisco Cisco Unified Computing System Central Software 2.0(1e) -

II. Public POCs for CVE-2026-76506

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III. Intelligence Information for CVE-2026-76506

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Other References for CVE-2026-76506 (1)

Same Patch Batch · Cisco · 2026-11-04 · 3 CVEs total

CVE-2026-76419 6.1 MEDIUM Cisco Unified Communications Manager Cross-Site Scripting Vulnerability
CVE-2026-20241 5.3 MEDIUM Cisco Identity Services Engine Authorization Bypass Vulnerability

IV. Related Vulnerabilities

Same product: Cisco Unified Computing System Central Software
Same vendor: Cisco
Same weakness: CWE-22