# CVE-2026-105948: CVE-2026-105948

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

In affected versions of Octopus Server, incorrect validation of permissions assigned to a user that would allow them to edit their own login identities could result in that user being granted elevated permissions, up to and including system administrator access. This issue affects instances using LDAP authentication with self-service login editing enabled.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Octopus Deploy / Octopus Server: ≥ 2024.2.5035; < 2026.2.13487 (affected, custom); ≥ 2026.3.0; < 2026.3.15909 (affected, custom). Source: CNA: Octopus; platforms: Windows, Linux

## Severity and prioritization

- CVSS 4.0: 7.7 (high); 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; source: CNA: Octopus

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-863

## Exploit evidence

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

## References

- https://advisories.octopus.com/post/2026/sa2026-21 (CNA: Octopus)

## Provenance

- CNA: Octopus: https://www.cve.org/CVERecord?id=CVE-2026-105948; retrieved 2026-11-11; source updated 2026-11-11

Revision: 4b825ba04d261f897e31f870ecdff134bbddacadf3b034ed00f3d854e0861fc2

Canonical: https://y2.dev/cve/CVE-2026-105948

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