JetBrains TeamCity up to 2025.11.3 argument injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability was found in JetBrains TeamCity. It has been rated as critical. Impacted is an unknown function. This manipulation causes argument injection. The identification of this vulnerability is CVE-2026-49373. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in JetBrains TeamCity and classified as critical. Affected by this vulnerability is an unknown function. The manipulation with an unknown input leads to a argument injection vulnerability. The CWE definition for the vulnerability is CWE-88. The product constructs a string for a command to be executed by a separate component in another control sphere, but it does not properly delimit the intended arguments, options, or switches within that command string. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In JetBrains TeamCity before 2026.1 remote code execution was possible via Perforce connection settings

It is possible to read the advisory at jetbrains.com. This vulnerability is known as CVE-2026-49373 since 05/29/2026. The exploitation appears to be easy. The attack can be launched remotely. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059 according to MITRE ATT&CK.

Upgrading to version 2026.1 eliminates this vulnerability.

The vulnerability is also documented in the databases at EUVD (EUVD-2026-33381) and CERT Bund (WID-SEC-2026-1758). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

  • JetBrains TeamCity

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.5

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

CNA Base Score: 7.1
CNA Vector (JetBrains): 🔒

CVSSv2info

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

Exploitinginfo

Class: Argument injection
CWE: CWE-88 / CWE-74 / CWE-707
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

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: TeamCity 2026.1

Timelineinfo

05/29/2026 Advisory disclosed
05/29/2026 +0 days CVE reserved
05/29/2026 +0 days VulDB entry created
06/02/2026 +4 days VulDB entry last update

Sourcesinfo

Advisory: jetbrains.com
Status: Confirmed

CVE: CVE-2026-49373 (🔒)
GCVE (CVE): GCVE-0-2026-49373
GCVE (VulDB): GCVE-100-367339
EUVD: 🔒
CERT Bund: WID-SEC-2026-1758 - JetBrains TeamCity: Mehrere Schwachstellen

Entryinfo

Created: 05/29/2026 21:12
Updated: 06/02/2026 02:18
Changes: 05/29/2026 21:12 (29), 05/29/2026 21:13 (35), 05/30/2026 08:28 (1), 06/02/2026 02:18 (7)
Complete: 🔍
Cache ID: 216::103

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

Discussion

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