HashiCorp Nomad/Nomad Enterprise up to 2.0.0 link following

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in HashiCorp Nomad and Nomad Enterprise up to 2.0.0. The affected element is an unknown function. Executing a manipulation can lead to link following. This vulnerability appears as CVE-2026-6959. The attack requires local access. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in HashiCorp Nomad and Nomad Enterprise up to 2.0.0. This vulnerability affects some unknown functionality. The manipulation with an unknown input leads to a link following vulnerability. The CWE definition for the vulnerability is CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

HashiCorp Nomad and Nomad Enterprise prior to 2.0.1 are vulnerable to arbitrary file read and write on the client host as the Nomad process user through a symlink attack. This vulnerability (CVE-2026-6959) is fixed in Nomad 2.0.1, 1.11.5 and 1.10.11.

The advisory is available at discuss.hashicorp.com. This vulnerability was named CVE-2026-6959 since 04/24/2026. The exploitation appears to be easy. Local access is required to approach this attack. Additional levels of successful authentication are necessary for exploitation. The technical details are unknown and an exploit is not available.

Upgrading to version 2.0.1 eliminates this vulnerability.

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Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 5.0

VulDB Base Score: 4.2
VulDB Temp Score: 4.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.0
CNA Vector (HashiCorp): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Link following
CWE: CWE-59
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Nomad/Nomad Enterprise 2.0.1

Timelineinfo

04/24/2026 CVE reserved
05/12/2026 +18 days Advisory disclosed
05/12/2026 +0 days VulDB entry created
05/12/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: discuss.hashicorp.com
Status: Confirmed

CVE: CVE-2026-6959 (🔒)
GCVE (CVE): GCVE-0-2026-6959
GCVE (VulDB): GCVE-100-363358

Entryinfo

Created: 05/12/2026 22:09
Changes: 05/12/2026 22:09 (63)
Complete: 🔍
Cache ID: 216::103

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