Mintlify Platform prior 2025-11-15 MDX Rendering Engine special elements used in a template engine

CVSS Meta Temp Score
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CTI Interest Score
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8.0$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Mintlify Platform. Affected is an unknown function of the component MDX Rendering Engine. Executing a manipulation can lead to improper neutralization of special elements used in a template engine. The identification of this vulnerability is CVE-2025-67843. The attack may be launched remotely. There is no exploit available. This product is a managed service. This means that users cannot maintain vulnerability countermeasures themselves. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Mintlify Platform. It has been declared as critical. This vulnerability affects an unknown functionality of the component MDX Rendering Engine. The manipulation with an unknown input leads to a improper neutralization of special elements used in a template engine vulnerability. The CWE definition for the vulnerability is CWE-1336. The product uses a template engine to insert or process externally-influenced input, but it does not neutralize or incorrectly neutralizes special elements or syntax that can be interpreted as template expressions or other code directives when processed by the engine. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A Server-Side Template Injection (SSTI) vulnerability in the MDX Rendering Engine in Mintlify Platform before 2025-11-15 allows remote attackers to execute arbitrary code via inline JSX expressions in an MDX file.

The advisory is available at mintlify.com. This vulnerability was named CVE-2025-67843 since 12/12/2025. The exploitation appears to be easy. The attack can be initiated remotely. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1221 by the MITRE ATT&CK project.

Upgrading to version 2025-11-15 eliminates this vulnerability.

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Productinfo

Vendor

Name

Managed Service

  • yes

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.1
VulDB Meta Temp Score: 8.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔒

CNA Base Score: 8.3
CNA Vector (MITRE): 🔒

CVSSv2info

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

Exploitinginfo

Class: Improper neutralization of special elements used in a template engine
CWE: CWE-1336 / CWE-791 / CWE-790
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Status: 🔍

0-Day Time: 🔒

Upgrade: Platform 2025-11-15

Timelineinfo

11/15/2025 Countermeasure disclosed
12/12/2025 +27 days CVE reserved
12/19/2025 +7 days Advisory disclosed
12/19/2025 +0 days VulDB entry created
01/02/2026 +14 days VulDB entry last update

Sourcesinfo

Advisory: mintlify.com
Status: Confirmed

CVE: CVE-2025-67843 (🔒)
GCVE (CVE): GCVE-0-2025-67843
GCVE (VulDB): GCVE-100-337534

Entryinfo

Created: 12/19/2025 08:06
Updated: 01/02/2026 19:25
Changes: 12/19/2025 08:06 (64), 01/02/2026 19:25 (11)
Complete: 🔍
Cache ID: 216::103

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