cvelistv5 - cve-2026-3093

CVE-2026-3093 (GCVE-0-2026-3093)

Vulnerability from cvelistv5

Published

2026-07-29 19:02

Modified

2026-07-29 19:34

Severity ?

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

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Summary

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 14.0 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an attacker to execute arbitrary JavaScript in another user's browser via a crafted URL, due to improper sanitization of user-controlled input.

References

URL

Tags

	https://hackerone.com/reports/3539833	technical-description, exploit, permissions-required
	https://gitlab.com/gitlab-org/gitlab/-/work_items/591274
	https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-1-released/

Impacted products

	Vendor	Product	Version
	GitLab	GitLab	Version: 14.0 ≤ Version: 19.1 ≤ Version: 19.2 ≤ cpe:2.3:a:gitlab:gitlab::::::::

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-3093",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-07-29T19:34:51.686360Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-07-29T19:34:59.534Z",
          "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": "19.0.5",
              "status": "affected",
              "version": "14.0",
              "versionType": "semver"
            },
            {
              "lessThan": "19.1.3",
              "status": "affected",
              "version": "19.1",
              "versionType": "semver"
            },
            {
              "lessThan": "19.2.1",
              "status": "affected",
              "version": "19.2",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Thanks [go7f0](https://hackerone.com/go7f0) 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 14.0 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an attacker to execute arbitrary JavaScript in another user\u0027s browser via a crafted URL, due to improper sanitization of user-controlled input."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.7,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "CWE-79: Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-29T19:02:11.038Z",
        "orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
        "shortName": "GitLab"
      },
      "references": [
        {
          "name": "HackerOne Bug Bounty Report #3539833",
          "tags": [
            "technical-description",
            "exploit",
            "permissions-required"
          ],
          "url": "https://hackerone.com/reports/3539833"
        },
        {
          "url": "https://gitlab.com/gitlab-org/gitlab/-/work_items/591274"
        },
        {
          "url": "https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-1-released/"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade to versions 19.0.5, 19.1.3, 19.2.1 or above."
        }
      ],
      "title": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027) in GitLab"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
    "assignerShortName": "GitLab",
    "cveId": "CVE-2026-3093",
    "datePublished": "2026-07-29T19:02:11.038Z",
    "dateReserved": "2026-02-24T02:34:16.776Z",
    "dateUpdated": "2026-07-29T19:34:59.534Z",
    "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-2026-3093\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-07-29T19:34:51.686360Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-07-29T19:34:56.782Z\"}}], \"cna\": {\"title\": \"Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027) in GitLab\", \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"Thanks [go7f0](https://hackerone.com/go7f0) for reporting this vulnerability through our HackerOne bug bounty program\"}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"CHANGED\", \"version\": \"3.1\", \"baseScore\": 4.7, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N\", \"integrityImpact\": \"LOW\", \"userInteraction\": \"REQUIRED\", \"attackComplexity\": \"HIGH\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"LOW\"}, \"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\": \"14.0\", \"lessThan\": \"19.0.5\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"19.1\", \"lessThan\": \"19.1.3\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"19.2\", \"lessThan\": \"19.2.1\", \"versionType\": \"semver\"}], \"defaultStatus\": \"unaffected\"}], \"solutions\": [{\"lang\": \"en\", \"value\": \"Upgrade to versions 19.0.5, 19.1.3, 19.2.1 or above.\"}], \"references\": [{\"url\": \"https://hackerone.com/reports/3539833\", \"name\": \"HackerOne Bug Bounty Report #3539833\", \"tags\": [\"technical-description\", \"exploit\", \"permissions-required\"]}, {\"url\": \"https://gitlab.com/gitlab-org/gitlab/-/work_items/591274\"}, {\"url\": \"https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-1-released/\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 14.0 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an attacker to execute arbitrary JavaScript in another user\u0027s browser via a crafted URL, due to improper sanitization of user-controlled input.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-79\", \"description\": \"CWE-79: Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)\"}]}], \"providerMetadata\": {\"orgId\": \"ceab7361-8a18-47b1-92ba-4d7d25f6715a\", \"shortName\": \"GitLab\", \"dateUpdated\": \"2026-07-29T19:02:11.038Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-3093\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-07-29T19:34:59.534Z\", \"dateReserved\": \"2026-02-24T02:34:16.776Z\", \"assignerOrgId\": \"ceab7361-8a18-47b1-92ba-4d7d25f6715a\", \"datePublished\": \"2026-07-29T19:02:11.038Z\", \"assignerShortName\": \"GitLab\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}

CERTFR-2026-AVI-0946

Vulnerability from certfr_avis

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

Solutions

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

Impacted products

Vendor	Product	Description
GitLab	GitLab Community Edition (CE) et Gitlab Enterprise Edition (EE)	GitLab Community Edition (CE) et Enterprise Edition (EE) versions 19.2.x antérieures à 19.2.1
GitLab	GitLab Community Edition (CE) et Gitlab Enterprise Edition (EE)	GitLab Community Edition (CE) et Enterprise Edition (EE) versions antérieures à 19.0.5
GitLab	GitLab Community Edition (CE) et Gitlab Enterprise Edition (EE)	GitLab Community Edition (CE) et Enterprise Edition (EE) versions 19.1.x antérieures à 19.1.3

References

Title

Publication Time

Tags

Bulletin de sécurité GitLab

2026-07-29

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 Enterprise Edition (EE) versions 19.2.x ant\u00e9rieures \u00e0 19.2.1",
      "product": {
        "name": "GitLab Community Edition (CE) et Gitlab Enterprise Edition (EE)",
        "vendor": {
          "name": "GitLab",
          "scada": false
        }
      }
    },
    {
      "description": "GitLab Community Edition (CE) et Enterprise Edition (EE) versions ant\u00e9rieures \u00e0 19.0.5",
      "product": {
        "name": "GitLab Community Edition (CE) et Gitlab Enterprise Edition (EE)",
        "vendor": {
          "name": "GitLab",
          "scada": false
        }
      }
    },
    {
      "description": "GitLab Community Edition (CE) et Enterprise Edition (EE) versions 19.1.x ant\u00e9rieures \u00e0 19.1.3",
      "product": {
        "name": "GitLab Community Edition (CE) et Gitlab Enterprise Edition (EE)",
        "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-2026-14351",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-14351"
    },
    {
      "name": "CVE-2026-3093",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-3093"
    },
    {
      "name": "CVE-2026-16553",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-16553"
    },
    {
      "name": "CVE-2026-6336",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-6336"
    },
    {
      "name": "CVE-2026-15975",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-15975"
    },
    {
      "name": "CVE-2025-14562",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-14562"
    },
    {
      "name": "CVE-2026-15831",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-15831"
    },
    {
      "name": "CVE-2026-6267",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-6267"
    },
    {
      "name": "CVE-2026-13113",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-13113"
    },
    {
      "name": "CVE-2026-14341",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-14341"
    },
    {
      "name": "CVE-2026-12436",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-12436"
    },
    {
      "name": "CVE-2026-4672",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-4672"
    },
    {
      "name": "CVE-2026-15077",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-15077"
    }
  ],
  "initial_release_date": "2026-07-30T00:00:00",
  "last_revision_date": "2026-07-30T00:00:00",
  "links": [],
  "reference": "CERTFR-2026-AVI-0946",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2026-07-30T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "D\u00e9ni de service \u00e0 distance"
    },
    {
      "description": "Injection de code indirecte \u00e0 distance (XSS)"
    },
    {
      "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 un d\u00e9ni de service \u00e0 distance, une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es et une injection de code indirecte \u00e0 distance (XSS).",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans GitLab",
  "vendor_advisories": [
    {
      "published_at": "2026-07-29",
      "title": "Bulletin de s\u00e9curit\u00e9 GitLab",
      "url": "https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-1-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-2026-3093 (GCVE-0-2026-3093)

Vulnerability from cvelistv5

CERTFR-2026-AVI-0946

Vulnerability from certfr_avis

Solutions

Tags

Sightings

Nomenclature