Medium 4.3Published Oct 29, 2026

CVE-2026-102260Nomad vulnerable to cross-namespace information disclosure in multiple endpoints

Updated under an hour ago (Oct 30, 2026, 5:30 AM ET)

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No exploitation reported and no EPSS estimate yet.

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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: 4.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness (CWE): CWE-863
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: HashiCorp
NVD analysis: Received
Record last updated: Oct 29, 2026
First seen by InfoSec Signals: Oct 29, 2026

Affected products

Affected products

HashiCorp Nomad hashicorp:nomad (from the name)	from 0.11.0 before 2.1.0	CNA record
HashiCorp Nomad Enterprise hashicorp:nomad_enterprise (from the name)	from 0.11.0 before 2.1.0; fixed at 1.11.12, fixed at 1.10.18	CNA record

References

References

https://discuss.hashicorp.com/t/hcsec-2026-51-nomad-vulnerable-to-cross-namespace-information-disclosure-in-multiple-endpoints/77929

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.