VDB-426396 · CVE-2026-105947 · EUVD-2026-109783

Logsign SIEM up to 6.4.121 path traversal

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.
5.3	$0-$5k	3.04

Summaryinfo

A vulnerability described as problematic has been identified in Innotim Software, Telecommunications, and Consulting Logsign SIEM up to 6.4.121. This vulnerability affects unknown code. The manipulation results in path traversal. This vulnerability is identified as CVE-2026-105947. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Innotim Software, Telecommunications, and Consulting Logsign SIEM up to 6.4.121. Affected is an unknown code block. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. This is going to have an impact on confidentiality. CVE summarizes:

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Innotim Software, Telecommunications, and Consulting Co. Ltd. Logsign SIEM allows Path Traversal. This issue affects Logsign SIEM: from 6.4.120 before 6.4.122.

The advisory is shared for download at siberguvenlik.gov.tr. This vulnerability is traded as CVE-2026-105947 since 10/06/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1006.

Upgrading to version 6.4.122 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-109783). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Innotim Software, Telecommunications, and Consulting

Name

Logsign SIEM

Version

6.4.121

CPE 2.3info

🔒

CPE 2.2info

🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.5
CNA Vector (TR-CERT): 🔒

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
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: Logsign SIEM 6.4.122

Timelineinfo

10/06/2026 CVE reserved
10/26/2026 +20 days Advisory disclosed
10/26/2026 +0 days VulDB entry created
10/26/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: siberguvenlik.gov.tr
Status: Confirmed

CVE: CVE-2026-105947 (🔒)
GCVE (CVE): GCVE-0-2026-105947
GCVE (VulDB): GCVE-100-426396
EUVD: 🔒

Entryinfo

Created: 10/26/2026 13:26
Updated: 10/26/2026 15:06
Changes: 10/26/2026 13:26 (62), 10/26/2026 15:06 (1)
Complete: 🔍
Cache ID: 216::103