CVE-2026-96414
In affected versions of Octopus Server, insufficient integrity protection of authentication...
CVE-2026-96414 is a high vulnerability (CVSS 8.7) in Octopus Deploy Server, published November 11, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.22%, the 12th percentile. No source names a fixed version.
- Severity
- 8.7 HighCVSS 4.0, CVE List
- Exploit chance
- 0.22%EPSS, 12th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
Discussion
Affected products
What each source reports
CVE List Score used
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.
- Record
CVE-2026-96414- CVSS 4.0
- 8.7 High
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 - Weakness
- CWE-649
- Updated
- 2026-11-11
EUVDEUVD-2026-123267
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.
- Record
EUVD-2026-123267- CVSS 4.0
- 8.7 High
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 - Updated
- 2026-11-11
GitHub AdvisoriesGHSA-66h9-x6fw-797g
In affected versions of Octopus Server, insufficient integrity protection of authentication...
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.
- Record
GHSA-66h9-x6fw-797g- CVSS 4.0
- 8.7 High
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - Weakness
- CWE-649
- Updated
- 2026-11-11
NVD
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.
- Record
CVE-2026-96414- CVSS 4.0
- 8.7 High
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - Weakness
- CWE-649
- Updated
- 2026-11-11
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, references, title | GitHub Advisories | |
| severity | CVE List | |
| aliases, published | EUVD | |
| first indexed | CVE List |
Dates are when Every CVE recorded each change. Upstream dates may differ.