Checkpoint Quantum Security Gateway DynamicCLI daemon /tmp/dynamic_socket privileges management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.3$5k-$25k0.31+

Summaryinfo

A vulnerability was found in Checkpoint Quantum Security Gateway and Quantum Security Management. It has been classified as very critical. The impacted element is an unknown function of the file /tmp/dynamic_socket of the component DynamicCLI daemon. This manipulation causes privileges management. The identification of this vulnerability is CVE-2026-123039. The attack can only be executed locally. There is no exploit available.

Detailsinfo

A vulnerability was found in Checkpoint Quantum Security Gateway and Quantum Security Management (unknown version). It has been declared as very critical. Affected by this vulnerability is an unknown code block of the file /tmp/dynamic_socket of the component DynamicCLI daemon. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The Gaia OS DynamicCLI daemon runs as root and listens on a world-writable local socket (/tmp/dynamic_socket) without authenticating connecting processes. An authenticated local user can send a command to the socket and have it executed as root.

It is possible to read the advisory at support.checkpoint.com. This vulnerability is known as CVE-2026-123039 since 11/05/2026. The exploitation appears to be easy. Attacking locally is a requirement. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 11/12/2026). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 8.3

VulDB Base Score: 8.8
VulDB Temp Score: 8.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector (checkpoint): 🔒

CVSSv2info

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

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

11/05/2026 CVE reserved
11/12/2026 +7 days Advisory disclosed
11/12/2026 +0 days VulDB entry created
11/12/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: support.checkpoint.com
Status: Confirmed

CNA: checkpoint
CVE: CVE-2026-123039 (🔒)

GCVE (CVE): GCVE-0-2026-123039
GCVE (VulDB): GCVE-100-436399

Entryinfo

Created: 11/12/2026 15:50
Changes: 11/12/2026 15:50 (61)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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