Description
GitLab has remediated an issue in GitLab EE affecting all versions from 19.1 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an authenticated user to inject specially crafted content into AI agent instructions, potentially causing unintended command execution attributed to other users, due to improper neutralization of special elements in AI conversation context construction.
Published: 2026-10-13
Score: 7.3 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

Vendor Solution

Upgrade to versions 19.2.8, 19.3.5, 19.4.2 or above.

Tracking

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Advisories

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History

Wed, 14 Oct 2026 14:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-74
CPEs cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*

Wed, 14 Oct 2026 11:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 13 Oct 2026 01:30:00 +0000

Type Values Removed Values Added
Description GitLab has remediated an issue in GitLab EE affecting all versions from 19.1 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an authenticated user to inject specially crafted content into AI agent instructions, potentially causing unintended command execution attributed to other users, due to improper neutralization of special elements in AI conversation context construction.
Title Improper Neutralization of Input Used for LLM Prompting in GitLab
First Time appeared Gitlab
Gitlab gitlab
Weaknesses CWE-1427
CPEs cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Vendors & Products Gitlab
Gitlab gitlab
References
Metrics cvssV3_1

{'score': 7.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitLab

Published:

Updated: 2026-10-14T10:51:05.742Z

Reserved: 2026-09-23T19:34:35.812Z

Link: CVE-2026-96893

cve-icon Vulnrichment

Updated: 2026-10-14T10:41:32.685Z

cve-icon NVD

Status : Analyzed

Published: 2026-10-13T02:17:00.720

Modified: 2026-10-14T13:55:39.693

Link: CVE-2026-96893

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-13T03:15:14Z

Weaknesses
  • CWE-1427

    Improper Neutralization of Input Used for LLM Prompting

  • CWE-74

    Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')