CVE-2026-117466

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.

在受影响的 Octopus Server 版本中，拥有“系统管理员（System Manager）”角色的用户可将其权限提升至拥有完整系统管理权限的“系统管理员（Administrator）”。

CVSS 8.6 · High Updated Oct 27, 2026

Possible ATT&CK Techniques 1 AI

T1548.001 · Setuid and Setgid

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Vulnerability Information

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Vulnerability Title

N/A

Source: CVE Program / CVE List V5

Vulnerability Description

In affected versions of Octopus Server, a user holding the System Manager role could escalate their privileges to full system Administrator.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Source: CVE Program / CVE List V5

Vulnerability Type

特权管理不恰当

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
Octopus Deploy	Octopus Server	2019.0.0 ~ 2026.2.13469	-

II. Public POCs for CVE-2026-117466

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-117466

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Other References for CVE-2026-117466 (1)

https://advisories.octopus.com/post/2026/sa2026-17

https://www.cve.org/CVERecord?id=CVE-2026-117466

Same Patch Batch · Octopus Deploy · 2026-10-27 · 3 CVEs total

CVE-2026-116870	8.7 HIGH	Octopus Server OIDC 令牌签发者验证不一致漏洞
CVE-2026-117341	7.7 HIGH	Octopus Server 多版本审计日志泄露导致权限提升漏洞

IV. Related Vulnerabilities

Same product: Octopus Server

Same vendor: Octopus Deploy

Same weakness: CWE-269