HashiCorp go-getter up to 1.7.7 link following

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in HashiCorp go-getter up to 1.7.7. Affected by this issue is some unknown functionality. Executing a manipulation can lead to link following. This vulnerability is tracked as CVE-2025-8959. The attack can be launched remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in HashiCorp go-getter up to 1.7.7 and classified as critical. This vulnerability affects an unknown code block. 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. CVE summarizes:

HashiCorp's go-getter library subdirectory download feature is vulnerable to symlink attacks leading to unauthorized read access beyond the designated directory boundaries. This vulnerability, identified as CVE-2025-8959, is fixed in go-getter 1.7.9.

The advisory is shared for download at discuss.hashicorp.com. This vulnerability was named CVE-2025-8959 since 08/13/2025. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 259992 (Linux Distros Unpatched Vulnerability : CVE-2025-8959), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.7.8 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (259992) and EUVD (EUVD-2025-25049). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.5
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: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 259992
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2025-8959

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: go-getter 1.7.8

Timelineinfo

08/13/2025 CVE reserved
08/15/2025 +2 days Advisory disclosed
08/15/2025 +0 days VulDB entry created
09/01/2025 +17 days VulDB entry last update

Sourcesinfo

Advisory: discuss.hashicorp.com
Status: Confirmed

CVE: CVE-2025-8959 (🔒)
GCVE (CVE): GCVE-0-2025-8959
GCVE (VulDB): GCVE-100-320332
EUVD: 🔒

Entryinfo

Created: 08/15/2025 23:13
Updated: 09/01/2025 06:31
Changes: 08/15/2025 23:13 (63), 08/16/2025 00:45 (1), 08/19/2025 05:18 (1), 09/01/2025 06:31 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

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