# CVE-2026-96414: CVE-2026-96414

Status: published. Published: 2026-11-11. Updated: 2026-11-11.

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 remediation reported in collected sources

## Affected products and versions

- Octopus Deploy / Octopus Server: ≥ 2022.1.3143; < 2026.2.13487 (affected, custom); ≥ 2026.3.0; < 2026.3.15875 (affected, custom). Source: CNA: Octopus; platforms: Windows, Linux

## Severity and prioritization

- 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; source: CNA: Octopus

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-649

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://advisories.octopus.com/post/2026/sa2026-19 (CNA: Octopus)

## Provenance

- CNA: Octopus: https://www.cve.org/CVERecord?id=CVE-2026-96414; retrieved 2026-11-11; source updated 2026-11-11

Revision: c608c0c379c8a2d49510b05dd7963c2bd6c2c03f67f2fa8b026ffdf20b271b45

Canonical: https://y2.dev/cve/CVE-2026-96414

## Agent and API access

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- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

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