# CVE-2026-88765 — GitLab

> As of 2026-09-16, CVE-2026-88765 is a HIGH-severity vulnerability in GitLab, CVSS v3.1 8.5, EPSS 0.6% (50.7th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2026-88765, most recently “GitLab Patches Max-Severity Unauthenticated Path Traversal Flaw in Repository Commits API (CVE-2026-85706, CVSS 10.0)”.

**Last updated:** 2026-09-16

## What is CVE-2026-88765?

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.

The record classifies CVE-2026-88765 under weakness class [CWE-77](https://intel.threadlinqs.com/cwe/CWE-77). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs low-privilege credentials, needs no user interaction, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 39 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 8.5 — HIGH (`CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H`)
- **EPSS (FIRST):** 0.6% probability of exploitation in the next 30 days, higher than 50.7% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 6.3/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-09-15, last modified 2026-09-16

## Is CVE-2026-88765 being exploited?

It currently carries a trending score of 41 in the Threadlinqs vulnerability feed.

## Affected products and versions

- [GitLab](https://intel.threadlinqs.com/vendors/gitlab): GitLab

## How to fix CVE-2026-88765

No vendor patch reference has been recorded for CVE-2026-88765 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-88765

1 tracked threat in the Threadlinqs corpus references CVE-2026-88765, either in the campaign’s CVE list or as an indicator on the campaign record.

- [GitLab Patches Max-Severity Unauthenticated Path Traversal Flaw in Repository Commits API (CVE-2026-85706, CVSS 10.0)](https://intel.threadlinqs.com/threat/TL-2026-2442) — CRITICAL · 2026-09-11

## Sources

Enriched from CVE.org, FIRST EPSS. Last verified by Threadlinqs on 2026-10-10.

**Exploit and proof of concept**

- [hackerone.com — technical description](https://hackerone.com/reports/3990469)

**Other references**

- [gitlab.com](https://gitlab.com/gitlab-org/gitlab/-/work_items/627435)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-88765
Full detection coverage and IOCs for threats exploiting CVE-2026-88765 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp