What’s Vulnerable › Vulnerabilities

CVE-2020-26161

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-10-26 · updated 2026-06-17
• Weakness: CWE-601

Description

In Octopus Deploy through 2020.4.2, an attacker could redirect users to an external site via a modified HTTP Host header.

Affected products

• Octopus Deploy: from 2019.8.2 through 2020.4.2

References

• https://github.com/OctopusDeploy
• https://github.com/OctopusDeploy/Issues/issues/6622
• https://github.com/OctopusDeploy/Issues/issues/6627
• https://github.com/OctopusDeploy
• https://github.com/OctopusDeploy/Issues/issues/6622
• https://github.com/OctopusDeploy/Issues/issues/6627

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