GitLab Community Edition/Enterprise Edition up to 12.2.1 Markdown IP address information disclosure

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

Summaryinfo

A vulnerability identified as problematic has been detected in GitLab Community Edition and Enterprise Edition up to 12.2.1. This impacts an unknown function of the component Markdown Handler. Performing a manipulation results in information disclosure (IP address). This vulnerability was named CVE-2019-15726. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as problematic, was found in GitLab Community Edition and Enterprise Edition up to 12.2.1 (Bug Tracking Software). This affects some unknown functionality of the component Markdown Handler. The manipulation with an unknown input leads to a information disclosure vulnerability (IP Address). CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

An issue was discovered in GitLab Community and Enterprise Edition through 12.2.1. Embedded images and media files in markdown could be pointed to an arbitrary server, which would reveal the IP address of clients requesting the file from that server.

The weakness was presented 09/16/2019 (Website). It is possible to read the advisory at about.gitlab.com. This vulnerability is uniquely identified as CVE-2019-15726 since 08/28/2019. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 259390 (Linux Distros Unpatched Vulnerability : CVE-2019-15726), which helps to determine the existence of the flaw in a target environment.

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

The vulnerability is also documented in the vulnerability database at Tenable (259390). See VDB-141838, VDB-141839, VDB-141840 and VDB-141841 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Name: IP Address
Class: Information disclosure / IP Address
CWE: CWE-200 / CWE-284 / CWE-266
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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Nessus ID: 259390
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2019-15726

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/28/2019 🔍
09/16/2019 +19 days 🔍
09/17/2019 +1 days 🔍
08/31/2025 +2175 days 🔍

Sourcesinfo

Vendor: gitlab.com

Advisory: 55115
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-15726 (🔍)
GCVE (CVE): GCVE-0-2019-15726
GCVE (VulDB): GCVE-100-141843
See also: 🔍

Entryinfo

Created: 09/17/2019 07:31
Updated: 08/31/2025 09:40
Changes: 09/17/2019 07:31 (57), 08/27/2020 08:53 (1), 12/25/2023 12:20 (3), 08/31/2025 09:40 (16)
Complete: 🔍
Cache ID: 216::103

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

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