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CVE-2020-26409

nvd nist
Published: Dec 11, 2020Modified: Jun 17, 2026

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6.5
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Exploitability: 2.8 / Impact: 3.6
Source: NVD

Description

A DOS vulnerability exists in Gitlab CE/EE >=10.3, <13.4.7,>=13.5, <13.5.5,>=13.6, <13.6.2 that allows an attacker to trigger uncontrolled resource by bypassing input validation in markdown fields.

Affected (6)

Products: Gitlab: Gitlab
Gitlab
1 product
Gitlab
Configuration A
6 vulnerable
Vulnerable SoftwareAffected Versions
Gitlab
Gitlab
10.3.0 ≤ version < 13.4.7
Gitlab
13.5.0 ≤ version < 13.5.5
Gitlab
13.6.0 ≤ version < 13.6.2
Gitlab
10.3.0 ≤ version < 13.4.7
Gitlab
13.5.0 ≤ version < 13.5.5
Gitlab
13.6.0 ≤ version < 13.6.2

Related CWEs

CWE-20
Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
CWE-400
Uncontrolled Resource Consumption
The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.

References (6)

Source: cve@gitlab.com
Vendor Advisory
Source: cve@gitlab.com
Broken Link
Source: cve@gitlab.com
Permissions Required
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
Source: af854a3a-2127-422b-91ae-364da2661108
Permissions Required

Timeline

No history available yet.