CVE-2025-4922 | Nomad Vulnerable To Incorrect ACL Policy Lookup Attached To A Job

Nomad Community and Nomad Enterprise (“Nomad”) prefix-based ACL policy lookup can lead to incorrect rule application and shadowing. This vulnerability, identified as CVE-2025-4922, is fixed in Nomad Community Edition 1.10.2 and Nomad Enterprise 1.10.2, 1.9.10, and 1.8.14.

Published: 2025-06-11 Last update: 2025-12-22 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2025-4922 is rated Moderate Risk (40.9/100): CVSS High severity, with low exploitation likelihood (EPSS 0.08%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-4922

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-04-07 0.02% 0.08% +0.07%
2 2025-11-21 0.06% 0.02% -0.04%
3 2025-11-19 — 0.06% —

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-4922

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.1 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:N)
Service keeps running; no real outage angle.
 2.8 5.2 [email protected]

Weakness enumeration for CVE-2025-4922

GitHub Security Advisory for CVE-2025-4922

GHSA-rx97-6c62-55mf · Severity: high · Ecosystem: go — Hashicorp Nomad Incorrect Privilege Assignment vulnerability

OS Trackers for CVE-2025-4922

vendor priority summary link
alpine — CVE-2025-4922: 1 source package rows (nomad); 2 state rows across 1 repos (edge-community); fixed 0, open 2. https://security.alpinelinux.org/vuln/CVE-2025-4922
ubuntu medium CVE-2025-4922 medium priority: Ubuntu including 1 source packages (nomad), 8 status rows across 8 suites (bionic, focal, jammy, noble, oracular, plucky, questing, upstream): DNE 5, needs-triage 3. https://ubuntu.com/security/CVE-2025-4922

Affected software / configurations for CVE-2025-4922

Vendor Product Version Raw CPE
hashicorp nomad >= 1.4.0, < 1.8.14 cpe:2.3:a:hashicorp:nomad:*:*:*:*:enterprise:*:*:*
hashicorp nomad >= 1.4.0, < 1.10.2 cpe:2.3:a:hashicorp:nomad:*:*:*:*:-:*:*:*
hashicorp nomad >= 1.9.0, < 1.9.10 cpe:2.3:a:hashicorp:nomad:*:*:*:*:enterprise:*:*:*
hashicorp nomad >= 1.10.0, < 1.10.2 cpe:2.3:a:hashicorp:nomad:*:*:*:*:enterprise:*:*:*

References for CVE-2025-4922

cvelogic Threat Intelligence