CVE-2026-88765

Analyzed Analyzed - Analysis Complete

Remote Code Execution in GitLab EE via Git Project Export

Publication date: 2026-09-15

Last updated on: 2026-09-28

Assigner: GitLab Inc.

Description

GitLab has remediated an issue in GitLab EE affecting all versions from 12.3 to 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 under certain conditions could allow an authenticated user to achieve remote code execution by importing a specially crafted Git project export to overflow the Unicode conversion buffer used in Advanced Search indexing.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-09-15

Last Modified

2026-09-28

Generated

2026-10-06

AI Q&A

2026-09-15

EPSS Evaluated

2026-10-04

NVD

CVE-2026-88765

EUVD

EUVD-2026-78869

Affected Vendors & Products

Vendor	Product	Version / Range
gitlab	gitlab	From 19.2.0 (inc) to 19.2.6 (exc)
gitlab	gitlab	From 19.3.0 (inc) to 19.3.2 (exc)
gitlab	gitlab	From 12.3.0 (inc) to 19.1.8 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-787	The product writes data past the end, or before the beginning, of the intended buffer.
CWE-77	The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.

Attack-Flow Graph

Executive Summary

This vulnerability in GitLab EE allows an authenticated user to execute remote code by importing a specially crafted Git project export. It occurs due to a buffer overflow in Unicode conversion during Advanced Search indexing, affecting versions 12.3 to 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2.

Detection Guidance

This vulnerability is specific to GitLab EE versions 12.3 to 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2. Detection involves checking GitLab version and monitoring for unusual activity during Advanced Search indexing. No direct commands are provided in the context, but you should verify GitLab versions and review logs for Advanced Search operations.

Impact Analysis

An attacker with authenticated access could exploit this to run arbitrary code on the server, potentially leading to data breaches, system compromise, or unauthorized access to sensitive information.

Compliance Impact

This vulnerability could lead to unauthorized data access or exfiltration, violating GDPR's data protection requirements and HIPAA's security rules for protected health information.

Mitigation Strategies

Upgrade GitLab EE to a patched version (19.1.8, 19.2.6, or 19.3.2 or later) immediately to address the remote code execution risk.

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