GitLab Community Edition/Enterprise Edition up to 18.6.3/18.7.1/18.8.1 allocation of resources

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in GitLab Community Edition and Enterprise Edition up to 18.6.3/18.7.1/18.8.1. This issue affects some unknown processing. The manipulation results in allocation of resources. This vulnerability is cataloged as CVE-2026-1102. The attack may be launched remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic has been found in GitLab Community Edition and Enterprise Edition up to 18.6.3/18.7.1/18.8.1. Affected is an unknown part. The manipulation with an unknown input leads to a allocation of resources vulnerability. CWE is classifying the issue as CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. This is going to have an impact on availability. CVE summarizes:

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.3 before 18.6.4, 18.7 before 18.7.2, and 18.8 before 18.8.2 that could have allowed an unauthenticated user to create a denial of service condition by sending repeated malformed SSH authentication requests.

The weakness was shared with Thiago Figueiró. The advisory is shared for download at gitlab.com. This vulnerability is traded as CVE-2026-1102 since 01/17/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

The vulnerability scanner Nessus provides a plugin with the ID 297399 (Linux Distros Unpatched Vulnerability : CVE-2026-1102), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 18.6.4, 18.7.2 or 18.8.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (297399). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 6.0

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔒

CNA Base Score: 5.3
CNA Vector (GitLab): 🔒

CVSSv2info

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

Exploitinginfo

Class: Allocation of resources
CWE: CWE-770 / CWE-400 / CWE-404
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: 297399
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-1102

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Community Edition/Enterprise Edition 18.6.4/18.7.2/18.8.2

Timelineinfo

01/17/2026 CVE reserved
01/22/2026 +5 days Advisory disclosed
01/22/2026 +0 days VulDB entry created
01/31/2026 +9 days VulDB entry last update

Sourcesinfo

Vendor: gitlab.com

Advisory: gitlab.com
Organization: Thiago Figueiró
Status: Confirmed

CVE: CVE-2026-1102 (🔒)
GCVE (CVE): GCVE-0-2026-1102
GCVE (VulDB): GCVE-100-342324

Entryinfo

Created: 01/22/2026 14:54
Updated: 01/31/2026 23:39
Changes: 01/22/2026 14:54 (64), 01/27/2026 12:58 (11), 01/31/2026 23:39 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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