EUVD-2026-78869
GHSA-f5mm-69gv-w857
Severity by source
AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Network-reachable import path but authenticated attacker and precision-crafted overflow payload drive PR:L/AC:H; indexer privilege boundary yields S:C with full impact.
Primary rating from Vendor (GitLab).
CVSS VectorVendor: GitLab
Lifecycle Timeline
3DescriptionCVE.org
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.
AnalysisAI
Authenticated remote code execution in GitLab Enterprise Edition (Advanced Search / Elasticsearch indexing) allows a user with project-import rights to overflow a Unicode conversion buffer by importing a specially crafted Git project export, resulting in arbitrary command execution on the GitLab server. All EE versions from 12.3 through 19.1.8, plus 19.2 before 19.2.6 and 19.3 before 19.3.2, are affected under configurations where Advanced Search is enabled. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires (1) GitLab Enterprise Edition in an affected version range with (2) Advanced Search backed by Elasticsearch actually enabled and indexing imported project content, plus (3) an authenticated account that is permitted to import a Git project export (e.g. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | CVSS 3.1 base is 8.5 with AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H - network reachable and high impact across confidentiality, integrity and availability, but deliberately capped by High attack complexity (crafting a precision buffer overflow payload) and Low privileges (an authenticated account with import capability). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade to a vendor-fixed release: GitLab EE 19.1.8 (or later 19.1.x), 19.2.6, or 19.3.2 - vendor-released patches for the described ranges. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-77 – Command Injection
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External POC / Exploit Code
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