CVE-2026-96414

Published Nov 11, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Authentication Cookie Tampering Enables Privilege Escalation to Administrator
Type Values Removed Values Added
Title Authentication Cookie Tampering Enables Privilege Escalation to Administrator
Type Values Removed Values Added
Metrics cvssV4_0

{'score': 7.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Type Values Removed Values Added
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.
Weaknesses CWE-649
References
Metrics cvssV4_0

{'score': 7.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Subscriptions

No data.

Weaknesses

Sources

Status
PUBLISHED
Assigner
Octopus
Published
Updated
Nov 11, 2026, 7:03 AM
Reserved
Sep 23, 2026, 5:15 AM
Status
Awaiting Analysis
Published
Nov 11, 2026, 7:17 AM
Modified
Nov 12, 2026, 7:02 PM