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CVE-2026-3236

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.

Octopus Server是澳大利亚Octopus公司的一个用于持续交付的部署自动化和发布管理工具。 Octopus Server存在安全漏洞，该漏洞源于可以从现有访问令牌创建新的API密钥，可能导致新API密钥的生命周期超过原始API密钥。

AI Predicted 5.9 Difficulty: Easy EPSS 0.16% · P5

Possible ATT&CK Techniques 1 AI

T1528 · Steal Application Access Token
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I. Basic Information for CVE-2026-3236

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In affected versions of Octopus Server it was possible to create a new API key from an existing access token resulting in the new API key having a lifetime exceeding the original API key used to mint the access token.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
Octopus Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Octopus Server是澳大利亚Octopus公司的一个用于持续交付的部署自动化和发布管理工具。 Octopus Server存在安全漏洞，该漏洞源于可以从现有访问令牌创建新的API密钥，可能导致新API密钥的生命周期超过原始API密钥。
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
Octopus Deploy Octopus Server 2023.0.0 ~ 2025.3.14761 -

II. Public POCs for CVE-2026-3236

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-3236

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Vendor Advisories for CVE-2026-3236 (1)

IV. Related Vulnerabilities

Same product: Octopus Server
Same vendor: Octopus Deploy
Same weakness: CWE-863