CVE-2026-96414

HIGHCVSS 8.7/10EPSS 0.22%

Last modified

CVE-2026-96414 is a high-severity vulnerability rated 8.7/10 on the CVSS scale. In affected versions of Octopus Server, insufficient integrity protection of authentication cookies, combined with incorrect validation of permissions assigned to a user that allowed them to view users or audit events, could result in the user escalating their privileges to those of an Administrator.. EPSS estimates a 0.22% chance of exploitation in the next 30 days.

Description

In affected versions of Octopus Server, insufficient integrity protection of authentication cookies, combined with incorrect validation of permissions assigned to a user that allowed them to view users or audit events, could result in the user escalating their privileges to those of an Administrator.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
Octopus DeployOctopus Server>= 2022.1.3143, < 2026.2.13487; >= 2026.3.0, < 2026.3.15875

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-96414?
In affected versions of Octopus Server, insufficient integrity protection of authentication cookies, combined with incorrect validation of permissions assigned to a user that allowed them to view users or audit events, could result in the user escalating their privileges to those of an Administrator.
How severe is CVE-2026-96414?
CVE-2026-96414 has a CVSS score of 8.7/10 (HIGH severity). The EPSS model estimates a 0.22% probability of exploitation in the next 30 days.
How do I fix CVE-2026-96414?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST