cvelistv5 - cve-2026-1516

CVE-2026-1516 (GCVE-0-2026-1516)

Vulnerability from cvelistv5

Published

2026-04-08 22:25

Modified

2026-04-09 15:42

Severity ?

5.7 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N

CWE

CWE-94 - Improper Control of Generation of Code ('Code Injection')

Summary

GitLab has remediated an issue in GitLab EE affecting all versions from 18.0.0 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that in Code Quality reports could have allowed an authenticated user to leak IP addresses of users viewing the report via specially crafted content.

References

URL

Tags

	https://hackerone.com/reports/3514461	technical-description, exploit, permissions-required
	https://gitlab.com/gitlab-org/gitlab/-/work_items/587893
	https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released/

Impacted products

	Vendor	Product	Version
	GitLab	GitLab	Version: 18.0.0 ≤ Version: 18.9 ≤ Version: 18.10 ≤ cpe:2.3:a:gitlab:gitlab::::::::

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-1516",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-04-09T15:42:16.466494Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-04-09T15:42:34.893Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "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": "18.8.9",
              "status": "affected",
              "version": "18.0.0",
              "versionType": "semver"
            },
            {
              "lessThan": "18.9.5",
              "status": "affected",
              "version": "18.9",
              "versionType": "semver"
            },
            {
              "lessThan": "18.10.3",
              "status": "affected",
              "version": "18.10",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Thanks [maksyche](https://hackerone.com/maksyche) for reporting this vulnerability through our HackerOne bug bounty program"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "GitLab has remediated an issue in GitLab EE affecting all versions from 18.0.0 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that in Code Quality reports could have allowed an authenticated user to leak IP addresses of users viewing the report via specially crafted content."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.7,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-94",
              "description": "CWE-94: Improper Control of Generation of Code (\u0027Code Injection\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-08T22:25:57.848Z",
        "orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
        "shortName": "GitLab"
      },
      "references": [
        {
          "name": "HackerOne Bug Bounty Report #3514461",
          "tags": [
            "technical-description",
            "exploit",
            "permissions-required"
          ],
          "url": "https://hackerone.com/reports/3514461"
        },
        {
          "url": "https://gitlab.com/gitlab-org/gitlab/-/work_items/587893"
        },
        {
          "url": "https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released/"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade to versions 18.8.9, 18.9.5, 18.10.3 or above."
        }
      ],
      "title": "Improper Control of Generation of Code (\u0027Code Injection\u0027) in GitLab"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
    "assignerShortName": "GitLab",
    "cveId": "CVE-2026-1516",
    "datePublished": "2026-04-08T22:25:57.848Z",
    "dateReserved": "2026-01-28T05:03:57.410Z",
    "dateUpdated": "2026-04-09T15:42:34.893Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-1516\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-04-09T15:42:16.466494Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-04-09T15:42:22.322Z\"}}], \"cna\": {\"title\": \"Improper Control of Generation of Code (\u0027Code Injection\u0027) in GitLab\", \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"Thanks [maksyche](https://hackerone.com/maksyche) for reporting this vulnerability through our HackerOne bug bounty program\"}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 5.7, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"REQUIRED\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"HIGH\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"cpes\": [\"cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*\"], \"repo\": \"git://git@gitlab.com:gitlab-org/gitlab.git\", \"vendor\": \"GitLab\", \"product\": \"GitLab\", \"versions\": [{\"status\": \"affected\", \"version\": \"18.0.0\", \"lessThan\": \"18.8.9\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"18.9\", \"lessThan\": \"18.9.5\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"18.10\", \"lessThan\": \"18.10.3\", \"versionType\": \"semver\"}], \"defaultStatus\": \"unaffected\"}], \"solutions\": [{\"lang\": \"en\", \"value\": \"Upgrade to versions 18.8.9, 18.9.5, 18.10.3 or above.\"}], \"references\": [{\"url\": \"https://hackerone.com/reports/3514461\", \"name\": \"HackerOne Bug Bounty Report #3514461\", \"tags\": [\"technical-description\", \"exploit\", \"permissions-required\"]}, {\"url\": \"https://gitlab.com/gitlab-org/gitlab/-/work_items/587893\"}, {\"url\": \"https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released/\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"GitLab has remediated an issue in GitLab EE affecting all versions from 18.0.0 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that in Code Quality reports could have allowed an authenticated user to leak IP addresses of users viewing the report via specially crafted content.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-94\", \"description\": \"CWE-94: Improper Control of Generation of Code (\u0027Code Injection\u0027)\"}]}], \"providerMetadata\": {\"orgId\": \"ceab7361-8a18-47b1-92ba-4d7d25f6715a\", \"shortName\": \"GitLab\", \"dateUpdated\": \"2026-04-08T22:25:57.848Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-1516\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-04-09T15:42:34.893Z\", \"dateReserved\": \"2026-01-28T05:03:57.410Z\", \"assignerOrgId\": \"ceab7361-8a18-47b1-92ba-4d7d25f6715a\", \"datePublished\": \"2026-04-08T22:25:57.848Z\", \"assignerShortName\": \"GitLab\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}

CERTFR-2026-AVI-0410

Vulnerability from certfr_avis

De multiples vulnérabilités ont été découvertes dans GitLab. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire à distance, un déni de service à distance et une atteinte à la confidentialité des données.

Solutions

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

Impacted products

Vendor	Product	Description
GitLab	N/A	GitLab Community Edition (CE) et Gitlab Enterprise Edition (EE) versions 18.10.x antérieures à 18.10.3
GitLab	N/A	GitLab Community Edition (CE) et Gitlab Enterprise Edition (EE) versions antérieures à 18.8.9
GitLab	N/A	GitLab Community Edition (CE) et Gitlab Enterprise Edition (EE) versions 18.9.x antérieures à 18.9.5

References

Title

Publication Time

Tags

Bulletin de sécurité GitLab

2026-04-08

vendor-advisory

Show details on source website

JSON

To clipboard

{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "GitLab Community Edition (CE) et Gitlab Enterprise Edition (EE) versions 18.10.x ant\u00e9rieures \u00e0 18.10.3",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "GitLab",
          "scada": false
        }
      }
    },
    {
      "description": "GitLab Community Edition (CE) et Gitlab Enterprise Edition (EE) versions ant\u00e9rieures \u00e0 18.8.9",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "GitLab",
          "scada": false
        }
      }
    },
    {
      "description": "GitLab Community Edition (CE) et Gitlab Enterprise Edition (EE) versions 18.9.x ant\u00e9rieures \u00e0 18.9.5",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "GitLab",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": "",
  "content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
  "cves": [
    {
      "name": "CVE-2026-1101",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-1101"
    },
    {
      "name": "CVE-2026-2104",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-2104"
    },
    {
      "name": "CVE-2026-1092",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-1092"
    },
    {
      "name": "CVE-2026-4332",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-4332"
    },
    {
      "name": "CVE-2026-5173",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-5173"
    },
    {
      "name": "CVE-2025-9484",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-9484"
    },
    {
      "name": "CVE-2025-12664",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-12664"
    },
    {
      "name": "CVE-2026-2619",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-2619"
    },
    {
      "name": "CVE-2026-1403",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-1403"
    },
    {
      "name": "CVE-2026-4916",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-4916"
    },
    {
      "name": "CVE-2026-1752",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-1752"
    },
    {
      "name": "CVE-2026-1516",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-1516"
    }
  ],
  "initial_release_date": "2026-04-09T00:00:00",
  "last_revision_date": "2026-04-09T00:00:00",
  "links": [],
  "reference": "CERTFR-2026-AVI-0410",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2026-04-09T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "D\u00e9ni de service \u00e0 distance"
    },
    {
      "description": "Injection de code indirecte \u00e0 distance (XSS)"
    },
    {
      "description": "Ex\u00e9cution de code arbitraire \u00e0 distance"
    },
    {
      "description": "Contournement de la politique de s\u00e9curit\u00e9"
    },
    {
      "description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
    }
  ],
  "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans GitLab. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une ex\u00e9cution de code arbitraire \u00e0 distance, un d\u00e9ni de service \u00e0 distance et une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es.",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans GitLab",
  "vendor_advisories": [
    {
      "published_at": "2026-04-08",
      "title": "Bulletin de s\u00e9curit\u00e9 GitLab",
      "url": "https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released/"
    }
  ]
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

Action not permitted

CVE-2026-1516 (GCVE-0-2026-1516)

Vulnerability from cvelistv5

CERTFR-2026-AVI-0410

Vulnerability from certfr_avis

Solutions

Tags

Sightings

Nomenclature