CVE-2026-93577

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.

Overview

State: PUBLISHED
Assigner (CNA): GitLab
CVSS severity: CRITICAL
CVSS score: 9.9 / 10
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Effective score: 9.9 / 10 CRITICAL source: CNA overview
CWE(s): CWE-190
Reserved: 2026-09-18
Published: 2026-09-23 23:04 UTC
Last updated: 2026-09-23 23:04 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/93xxx/CVE-2026-93577.json
Linked Threat: CVE-2026-93577 — Integer Overflow or Wraparound in GitLab

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published: 2026-09-24 00:17:22 UTC
NVD last modified: 2026-09-24 00:17:22 UTC
NVD CVSS v3.1: 9.9 / 10 CRITICAL source: cve@gitlab.com
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Exploitability subscore: 3.1 / 10
Impact subscore: 6.0 / 10

Affected products (1)

Vendor	Product	Versions	Platforms
GitLab	GitLab	`19.2` (affected), `19.3` (affected), `19.4` (affected)	—

Vendor references (3)

References embedded in the original CVE record by the assigning CNA.

https://gitlab.com/gitlab-org/gitlab/-/work_items/629758
HackerOne Bug Bounty Report #3995696 technical-descriptionexploitpermissions-required
https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-1-released/

Web references (0)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

No web references attached yet.

NVD-tagged references (3)

Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.

https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-1-released/ cve@gitlab.com
https://gitlab.com/gitlab-org/gitlab/-/work_items/629758 cve@gitlab.com
https://hackerone.com/reports/3995696 cve@gitlab.com

AI Forensic Analysis

Only Available for Registered Users. Sign in to view.

Raw JSON

The full cvelistV5 record. Download as CVE-2026-93577.json.

{
  "containers": {
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unaffected",
          "product": "GitLab",
          "repo": "git://git@gitlab.com:gitlab-org/gitlab.git",
          "vendor": "GitLab",
          "versions": [
            {
              "lessThan": "19.2.7",
              "status": "affected",
              "version": "19.2",
              "versionType": "semver"
            },
            {
              "lessThan": "19.3.3",
              "status": "affected",
              "version": "19.3",
              "versionType": "semver"
            },
            {
              "lessThan": "19.4.1",
              "status": "affected",
              "version": "19.4",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Thanks [joaxcar](https://hackerone.com/joaxcar) for reporting this vulnerability through our HackerOne bug bounty program"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "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."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.9,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-190",
              "description": "CWE-190: Integer Overflow or Wraparound",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-23T23:04:45.296Z",
        "orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
        "shortName": "GitLab"
      },
      "references": [
        {
          "url": "https://gitlab.com/gitlab-org/gitlab/-/work_items/629758"
        },
        {
          "name": "HackerOne Bug Bounty Report #3995696",
          "tags": [
            "technical-description",
            "exploit",
            "permissions-required"
          ],
          "url": "https://hackerone.com/reports/3995696"
        },
        {
          "url": "https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-1-released/"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade to versions 19.2.7, 19.3.3, 19.4.1 or above."
        }
      ],
      "title": "Integer Overflow or Wraparound in GitLab"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
    "assignerShortName": "GitLab",
    "cveId": "CVE-2026-93577",
    "datePublished": "2026-09-23T23:04:45.296Z",
    "dateReserved": "2026-09-18T10:34:29.905Z",
    "dateUpdated": "2026-09-23T23:04:45.296Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}