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CVE-2026-118426

Quick assessment

Affected
Octopus Deploy Octopus Server
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.

在启用了 LDAP 身份验证提供程序的受影响的 Octopus Server 版本中，任何已认证用户均可调用 LDAP 用户搜索和 LDAP 组搜索功能。

CVSS 5.3 · Medium

Possible ATT&CK Techniques 1 AI

T1602 · Data from Configuration Repository
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I. Basic Information for CVE-2026-118426

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In affected versions of Octopus Server with the LDAP authentication provider enabled, any authenticated user could call the LDAP user search and LDAP group search.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Octopus Deploy Octopus Server 3.0.0 ~ 2026.2.13487 -

II. Public POCs for CVE-2026-118426

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-118426

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Other References for CVE-2026-118426 (1)

IV. Related Vulnerabilities

Same product: Octopus Server
Same vendor: Octopus Deploy
Same weakness: CWE-862