CVE-2026-77801
Received Received - Intake

Denial of Service in GitLab CE/EE

Vulnerability report for CVE-2026-77801, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-08-26

Last updated on: 2026-08-26

Assigner: GitLab Inc.

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.8 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain conditions, could have allowed an authenticated user to cause a denial of service affecting background job processing, due to missing object count limits.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-08-26
Last Modified
2026-08-26
Generated
2026-08-26
AI Q&A
2026-08-26
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 6 associated CPEs
Vendor Product Version / Range
gitlab gitlab_ce From 12.8 (inc) to 19.1.7 (exc)
gitlab gitlab_ce From 19.2.0 (inc) to 19.2.5 (exc)
gitlab gitlab_ce From 19.3.0 (inc) to 19.3.1 (exc)
gitlab gitlab_ee From 12.8 (inc) to 19.1.7 (exc)
gitlab gitlab_ee From 19.2.0 (inc) to 19.2.5 (exc)
gitlab gitlab_ee From 19.3.0 (inc) to 19.3.1 (exc)

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-770 The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This vulnerability in GitLab CE/EE allows an authenticated user to cause a denial of service affecting background job processing. It exists due to missing object count limits in versions before 19.1.7, 19.2.5, and 19.3.1.

Impact Analysis

An attacker could exploit this to disrupt background tasks, leading to degraded performance or unavailability of GitLab services. This may affect user productivity and system reliability.

Mitigation Strategies

Upgrade GitLab CE/EE to version 19.1.7, 19.2.5, or 19.3.1 or later to address the missing object count limits issue.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-77801. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart