CVE-2026-102260 — MEDIUM (4.3)

Vulnerability Description

HashiCorp Nomad and Nomad Enterprise are vulnerable to cross-namespace authorization bypasses in several read-only API endpoints that may allow an authenticated user with read permissions in one namespace to view information about objects in other namespaces. This vulnerability (CVE-2026-102260) is fixed in Nomad Community Edition 2.1.1 and Nomad Enterprise 2.1.0, 1.11.12, and 1.10.18.

CVSS Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

NONE

Availability

NONE

Related Weaknesses (CWE)

CWE-863

References

https://discuss.hashicorp.com/t/hcsec-2026-51-nomad-vulnerable-to-cross-namespac

FAQ

What is CVE-2026-102260?

CVE-2026-102260 is a vulnerability with a CVSS score of 4.3 (MEDIUM). HashiCorp Nomad and Nomad Enterprise are vulnerable to cross-namespace authorization bypasses in several read-only API endpoints that may allow an authenticated user with read permissions in one names...

How severe is CVE-2026-102260?

CVE-2026-102260 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-102260?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.