Improper Neutralization of Input Used for LLM Prompting in GitLab (GitLab GitLab)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.58 % · percentile 48 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- GitLab
- NVD status
- Analyzed
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.
Weaknesses (CWE)
- CWE-1427 — Improper Neutralization of Input Used for LLM Prompting
- CWE-74 — Improper Neutralization of Special Elements in Output Used by a Downstream Component
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N | GitLab |
| CVSS 3.1 | HIGH 7.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N | NVD · cve@gitlab.com (Secondary) |
European references
- ENISA EUVD · EUVD-2026-98213
- GCVE · GCVE-0-2026-96893
CERT-FR advisories
- CERTFR-2026-AVI-1294 — Multiples vulnérabilités dans GitLab · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*≥ 19.1.0 < 19.2.8cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*≥ 19.3.0 < 19.3.5cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*≥ 19.4.0 < 19.4.2
Affected products
| Product | Versions |
|---|---|
| GitLab · GitLab | affected 19.1 < 19.2.8 ; affected 19.3 < 19.3.5 ; affected 19.4 < 19.4.2 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |