CVE-2026-93577
GitLab: integer overflow can lead to remote code execution
- Risk score
- 68/100
- CVSS
- 9.9 v3.1
- Exploit chance (30 days)
- 0.5%
- Published
- 24 Sep 2026
Open in the live forecast Today's forecast
What to know
- What it is
- GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.2 before 19.2.7, 19.3 before 19.3.3, and 19.4 before 19.4.1 that under certain conditions could have allowed an authenticated user to execute arbitrary code on the GitLab server due to an integer overflow issue when compiling a specially cra…
- Affected
- GitLab before 19.2.7, 19.3, 19.3.3, 19.4, 19.4.1
- Fix
- Upgrade GitLab to 19.2.7, 19.3, 19.3.3, 19.4 or 19.4.1 (whichever matches your release line), or later.
- Exploitation
- No known exploitation
Story map
At a glance
GitLab: Amber, patch this week. GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.2 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 unauthenticated user to execute arbitrary code on the GitLab server via a specially crafted regular expression in a CI/CD confi…
The flaws
- CVE-2026-93577: Integer overflow can lead to remote code execution (CVSS 9.9 · EPSS 1%)
- CVE-2026-97229: Integer overflow can lead to remote code execution (CVSS 10.0 · EPSS 1%)
- CVE-2026-89078: Double free can lead to remote code execution (CVSS 9.9 · EPSS 0%)
- CVE-2026-84739: Cross-site scripting (CVSS 8.7 · EPSS 0%)
The fix
Upgrade GitLab: 19.2.7 · 19.3 · 19.3.3 · 19.4 · 19.4.1 · 19.2.8 or later on your release line
Who is exposed: GitLab before 19.2.8, 19.3, 19.3.5, 19.4, 19.4.2
Where it stands
- No known exploitation
- 1 outlet covering it
How it unfolded
- 22 Oct, BleepingComputer (press): GitLab warns of new max severity code execution vulnerability
Connects to
- Same weakness: Integer overflow (CWE-190). 124 other warnings in 30 days
- Same product: Earlier GitLab warnings. 31 in the last 90 days
- Reported alongside: GitLab Community Edition and Enterprise Edition Path Traversal Vulnerability. CVE-2026-85706 · in 1 of the same article
Why it is Amber
- CVSS 9.9 critical
References
Original description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.2 before 19.2.7, 19.3 before 19.3.3, and 19.4 before 19.4.1 that under certain conditions could have allowed an authenticated user to execute arbitrary code on the GitLab server due to an integer overflow issue when compiling a specially crafted regular expression in a CI/CD configuration.
Last activity 24 Sep 2026. Patch Forecast updates every hour.