VDB-356564 · CVE-2026-4660 · EUVD-2026-20894

HashiCorp Tooling up to 1.8.5 information disclosure

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.3	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in HashiCorp Tooling up to 1.8.5. Affected is an unknown function. Such manipulation leads to information disclosure. This vulnerability is traded as CVE-2026-4660. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in HashiCorp Tooling up to 1.8.5. Affected by this issue is an unknown code block. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. CVE summarizes:

HashiCorp’s go-getter library up to v1.8.5 may allow arbitrary file reads on the file system during certain git operations through a maliciously crafted URL. This vulnerability, CVE-2026-4660, is fixed in go-getter v1.8.6. This vulnerability does not affect the go-getter/v2 branch and package.

The advisory is shared for download at discuss.hashicorp.com. This vulnerability is handled as CVE-2026-4660 since 03/23/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

The vulnerability scanner Nessus provides a plugin with the ID 305826 (Linux Distros Unpatched Vulnerability : CVE-2026-4660), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.8.6 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (305826), EUVD (EUVD-2026-20894) and CERT Bund (WID-SEC-2026-2010). Once again VulDB remains the best source for vulnerability data.

Affected

Open Source OpenTofu

Productinfo

Vendor

HashiCorp

Name

Tooling

Version

License

open-source

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

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 305826
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-4660

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Tooling 1.8.6

Timelineinfo

03/23/2026 CVE reserved
04/09/2026 +16 days Advisory disclosed
04/09/2026 +0 days VulDB entry created
06/19/2026 +71 days VulDB entry last update

Sourcesinfo

Advisory: discuss.hashicorp.com
Status: Confirmed

CVE: CVE-2026-4660 (🔒)
GCVE (CVE): GCVE-0-2026-4660
GCVE (VulDB): GCVE-100-356564
EUVD: 🔒
CERT Bund: WID-SEC-2026-2010 - OpenTofu: Schwachstelle ermöglicht Offenlegung von Informationen

Entryinfo

Created: 04/09/2026 16:23
Updated: 06/19/2026 11:31
Changes: 04/09/2026 16:23 (63), 04/09/2026 18:41 (1), 04/10/2026 10:47 (2), 06/19/2026 11:31 (7)
Complete: 🔍
Cache ID: 216::103