# CVE-2026-15077: Improper Neutralization of Input Used for LLM Prompting in GitLab

> CVE-2026-15077: Improper Neutralization of Input Used for LLM Prompting in GitLab. CVSS 4.3 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2026-15077
Last updated: 2026-08-03T13:26:04Z

- Published: 2026-07-29 19:00 UTC · Updated: 2026-08-03 13:26 UTC · Assigner: GitLab
- CVSS: 4.3 (CVSS 3.1) · Severity: Medium · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- EPSS: 0.31%, 24th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-1427

## Description

GitLab has remediated an issue in GitLab EE affecting all versions from 19.1 before 19.1.3 and 19.2 before 19.2.1 that under certain conditions could have allowed an authenticated user to access information from unauthorized projects due to improper neutralization of untrusted content processed by the AI-assisted code review functionality.

## Affected vendors and products

- GitLab: GitLab

## Tracked companies

- [GitLab](https://rewindex.com/company/gitlab.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-15077)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-15077)
- [https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-1-released/](https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-1-released/)
- [https://gitlab.com/gitlab-org/gitlab/-/work\_items/601482](https://gitlab.com/gitlab-org/gitlab/-/work_items/601482)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-15077 · Markdown: https://rewindex.com/cve/CVE-2026-15077.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-15077 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:49:48.346Z