CVE-2026-102260 | BDVDB-2026-397607 Detail

HashiCorpNomad

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.

Impact#

CAPEC-1: Accessing Functionality Not Properly Constrained by ACLs

Weaknesses#

CWE-863 Incorrect Authorization

References#

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

Exploit#

No public exploit known

History#

Version 12026-10-29Record published in the CVE List.
Version 22026-10-30Most recent update recorded in the CVE List.

Published

Published: 2026-10-29
Last modified: 2026-10-30

Vendor information

Vendor: HashiCorp
Product: Nomad

All HashiCorp vulnerabilities

Score

4.3 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 7.1.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Incorrect Authorization

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 0.11.0 and < 2.1.1
Fixed
2.1.1

Scoring System

CVSS v4.0

Not available

CVSS v3.1

4.3 Medium

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity	None
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).