HashiCorp terraform-mcp-server up to 1.0.x Streamable-HTTP Transport server-side request forgery

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k3.38

Summaryinfo

A vulnerability categorized as critical has been discovered in HashiCorp terraform-mcp-server up to 1.0.x. This vulnerability affects unknown code of the component Streamable-HTTP Transport. The manipulation results in server-side request forgery. This vulnerability was named CVE-2026-14869. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability classified as critical has been found in HashiCorp terraform-mcp-server up to 1.0.x. Affected is an unknown functionality of the component Streamable-HTTP Transport. The manipulation with an unknown input leads to a server-side request forgery vulnerability. CWE is classifying the issue as CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The terraform-mcp-server before version 1.1.0 is vulnerable to a server-side request forgery issue in the streamable-HTTP transport that may allow an unauthenticated remote client to redirect the server's Terraform API requests, and the server-side authorization token, to an attacker-controlled endpoint. This vulnerability, CVE-2026-14869, is fixed in terraform-mcp-server 1.1.0.

The advisory is available at discuss.hashicorp.com. This vulnerability is traded as CVE-2026-14869 since 07/06/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.

Upgrading to version 1.1.0 eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Server-side request forgery
CWE: CWE-918
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
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: terraform-mcp-server 1.1.0

Timelineinfo

07/06/2026 CVE reserved
07/28/2026 +22 days Advisory disclosed
07/28/2026 +0 days VulDB entry created
07/28/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: discuss.hashicorp.com
Status: Confirmed

CVE: CVE-2026-14869 (🔒)
GCVE (CVE): GCVE-0-2026-14869
GCVE (VulDB): GCVE-100-383958

Entryinfo

Created: 07/28/2026 20:37
Changes: 07/28/2026 20:37 (55)
Complete: 🔍
Cache ID: 216::103

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