What is the CVSS score of EUVD-2026-49941?

EUVD-2026-49941 has a CVSS 3.1 base score of 10.0 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L. EPSS exploitation probability: 0.3%.

Is there a patch available for EUVD-2026-49941?

Yes, a patch is available for EUVD-2026-49941. Update the affected software to the latest version immediately.

Tooling EUVD-2026-49941

| CVE-2026-16498 CRITICAL

Exposure of Data Element to Wrong Session (CWE-488)

2026-07-28 HashiCorp

GHSA-vq72-755f-9mrm

Information Disclosure Hashicorp Tooling

10.0

CVSS 3.1 · Vendor: HashiCorp

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Vulnerability Assessment

Weakness

CWE

CWE-488

ASVS 5.0

V14 - Data Protection Exposure of data element to wrong session

Act Now Prioritize within 24-48h. Why: CRITICAL severity.

Patch available 0.3% exploitation probability (EPSS)

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AnalysisAIv1 – Jul 28, 2026

Credential reuse in Terraform MCP Server allows cross-tenant token leakage, enabling unauthorized tool execution on behalf of other users. The vulnerability affects versions prior to 1.1.0 when the server is run in streamable-HTTP stateless transport mode. No public exploit code is known, but the critical CVSS score and network attack vector indicate high potential risk.

Affected VersionsENISA

Tooling 0.3.0 <1.1.0

Affected Packages

euvd tooling fix: 1.1.0

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (HashiCorp) PRIMARY 10.0 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L

Primary rating from Vendor (HashiCorp) · only source for this CVE.

CVSS VectorVendor: HashiCorp

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

Low

Lifecycle Timeline

Patch available

Jul 28, 2026 - 19:02 EUVD

CVE Published

Jul 28, 2026 - 17:57 cve.org

CRITICAL 10.0

DescriptionCVE.org

The terraform-mcp-server before version 1.1.0 is vulnerable to a cross-tenant credential reuse issue in the streamable-HTTP stateless transport mode that may allow one user's Terraform token to be used to execute tool calls on behalf of subsequent users. This vulnerability, CVE-2026-16498, is fixed in terraform-mcp-server 1.1.0.

Articles & Coverage 2

News 3 New Hashicorp Vulnerabilities - 1 Critical, 2 High Jul 29, 2026 News Critical Vulnerability in Hashicorp - CVE-2026-16498 Jul 28, 2026

Threat Intelligence Overview

EPSS Score

0.3%

Top 74% exploitable

Data Quality

6 sources

Confidence: High

EUVD

NVD

CVE.org

EPSS

Vulnrichment

VulDB

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity CRITICAL

CISA KEV No

Public POC No

EPSS 0.3%

Patch available Yes

Active threat No

Deciding rule

CRITICAL severity

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation

None

System Exposure· derived

Open

Automatable

Yes

Human Impact· derived

Medium

Technical Impact

Total

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +50

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.