CVE-2026-102260: Nomad vulnerable to cross-namespace information disclosure in multiple endpoints
Vulnerability summary
CVE-2026-102260 is a medium (CVSS 4.3) Incorrect Authorization vulnerability in hashicorp nomad. EPSS estimates a 0.18% chance of exploitation in the next 30 days, higher than 7% of scored vulnerabilities.
Not severe (CVSS 4.3, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Timeline
- 29-10-2026PublishedVulnerability first disclosed.
- 30-10-2026Last modifiedVulnerability information updated.
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 metrics
2 scores · 2 sources · 1 version- NVDNIST4.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS trend
Probability
0.18%
Chance of exploitation in the next 30 days
Percentile
7%
Versus all other CVEs
30-day change
Change unavailable
Change unavailable
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Hashicorp2 products
- nomad≥ 0.11.0, < 2.1.1
- nomad enterprise≥ 0.11.0, < 2.1.0
1 vendor · 2 products