Medium severity · published Oct 29, 2026
CVE-2026-102260
Nomad vulnerable to cross-namespace information disclosure in multiple endpoints
New
4.3
CVSS
–
EPSS
No
On KEV
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 2.1.0 and Nomad Enterprise 2.1.0, 1.11.12, and 1.10.18.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NO
Nomad · HashiCorp
0.11.0 before 2.1.0 · source: vendor
NE
Nomad Enterprise · HashiCorp
0.11.0 before 2.1.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-102260
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-102260
discuss.hashicorp.com
https://discuss.hashicorp.com/t/hcsec-2026-51-nomad-vulnerable-to-cross-namespace-information-disclosure-in-multiple-endpoints/77929
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