VDB-336067 · CVE-2025-67739 · WID-SEC-2025-2832

JetBrains TeamCity up to 2025.11.1 URL Validation improper authorization in handler for custom url scheme

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.
3.0	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in JetBrains TeamCity up to 2025.11.1. The affected element is an unknown function of the component URL Validation Handler. This manipulation causes improper authorization in handler for custom url scheme. This vulnerability is tracked as CVE-2025-67739. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in JetBrains TeamCity up to 2025.11.1. It has been declared as problematic. Affected by this vulnerability is an unknown code of the component URL Validation Handler. The manipulation with an unknown input leads to a improper authorization in handler for custom url scheme vulnerability. The CWE definition for the vulnerability is CWE-939. The product uses a handler for a custom URL scheme, but it does not properly restrict which actors can invoke the handler using the scheme. As an impact it is known to affect confidentiality. The summary by CVE is:

In JetBrains TeamCity before 2025.11.2 improper repository URL validation could lead to local paths disclosure

It is possible to read the advisory at jetbrains.com. This vulnerability is known as CVE-2025-67739 since 12/11/2025. The exploitation appears to be difficult. The attack can be launched remotely. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 2025.11.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2025-2832). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

JetBrains TeamCity

Productinfo

Type

Continuous Integration Software

Vendor

JetBrains

Name

TeamCity

Version

License

free

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.1
VulDB Meta Temp Score: 3.0

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 3.1
CNA Vector (JetBrains): 🔒

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: Improper authorization in handler for custom url scheme
CWE: CWE-939 / CWE-285 / 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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: TeamCity 2025.11.2

Timelineinfo

12/11/2025 CVE reserved
12/11/2025 +0 days VulDB entry created
12/12/2025 +0 days Advisory disclosed
12/12/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: jetbrains.com
Status: Confirmed

CVE: CVE-2025-67739 (🔒)
GCVE (CVE): GCVE-0-2025-67739
GCVE (VulDB): GCVE-100-336067
CERT Bund: WID-SEC-2025-2832 - JetBrains TeamCity: Mehrere Schwachstellen

Entryinfo

Created: 12/12/2025 00:36
Updated: 12/12/2025 15:11
Changes: 12/12/2025 00:36 (64), 12/12/2025 15:11 (7)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.