Vulnerability-Lookup

Vulnerability from bitnami_vulndb

Published

2026-04-13 06:09

Modified

2026-04-13 06:11

Summary

Improper Validation of Specified Quantity in Input in GitLab

Details

GitLab has remediated an issue in GitLab EE affecting all versions from 18.2 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an authenticated user to cause denial of service to the GitLab instance due to improper input validation in GraphQL queries.

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "gitlab",
        "purl": "pkg:bitnami/gitlab"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "18.2.0"
            },
            {
              "fixed": "18.8.9"
            },
            {
              "introduced": "18.9.0"
            },
            {
              "fixed": "18.9.5"
            },
            {
              "introduced": "18.10.0"
            },
            {
              "fixed": "18.10.3"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "type": "CVSS_V3"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-1101"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*"
    ],
    "severity": "Medium"
  },
  "details": "GitLab has remediated an issue in GitLab EE affecting all versions from 18.2 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an authenticated user to cause denial of service to the GitLab instance due to improper input validation in GraphQL queries.",
  "id": "BIT-gitlab-2026-1101",
  "modified": "2026-04-13T06:11:47.324Z",
  "published": "2026-04-13T06:09:20.803Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released/"
    },
    {
      "type": "WEB",
      "url": "https://gitlab.com/gitlab-org/gitlab/-/work_items/586488"
    },
    {
      "type": "WEB",
      "url": "https://hackerone.com/reports/3460228"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-1101"
    }
  ],
  "schema_version": "1.6.2",
  "summary": "Improper Validation of Specified Quantity in Input in GitLab"
}

CVE-2026-1101 (GCVE-0-2026-1101)

Vulnerability from cvelistv5 – Published: 2026-04-08 22:26 – Updated: 2026-04-09 15:41

Title

Improper Validation of Specified Quantity in Input in GitLab

Summary

Severity ?

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE

CWE-1284 - Improper Validation of Specified Quantity in Input

Assigner

GitLab

References

URL

Tags

	https://hackerone.com/reports/3460228	technical-descriptionexploitpermissions-required
	https://gitlab.com/gitlab-org/gitlab/-/work_items…
	https://about.gitlab.com/releases/2026/04/08/patc…

Impacted products

	Vendor	Product	Version
	GitLab	GitLab	Affected: 18.2 , < 18.8.9 (semver) Affected: 18.9 , < 18.9.5 (semver) Affected: 18.10 , < 18.10.3 (semver) cpe:2.3:a:gitlab:gitlab::::::::

Credits

Thanks [sim4n6](https://hackerone.com/sim4n6) for reporting this vulnerability through our HackerOne bug bounty program

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-1101",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-04-09T15:40:51.074249Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-04-09T15:41:03.766Z",
          "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": "18.2",
              "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 [sim4n6](https://hackerone.com/sim4n6) 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 18.2 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an authenticated user to cause denial of service to the GitLab instance due to improper input validation in GraphQL queries."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-1284",
              "description": "CWE-1284: Improper Validation of Specified Quantity in Input",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-08T22:26:07.834Z",
        "orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
        "shortName": "GitLab"
      },
      "references": [
        {
          "name": "HackerOne Bug Bounty Report #3460228",
          "tags": [
            "technical-description",
            "exploit",
            "permissions-required"
          ],
          "url": "https://hackerone.com/reports/3460228"
        },
        {
          "url": "https://gitlab.com/gitlab-org/gitlab/-/work_items/586488"
        },
        {
          "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 Validation of Specified Quantity in Input in GitLab"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
    "assignerShortName": "GitLab",
    "cveId": "CVE-2026-1101",
    "datePublished": "2026-04-08T22:26:07.834Z",
    "dateReserved": "2026-01-16T22:33:15.858Z",
    "dateUpdated": "2026-04-09T15:41:03.766Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

Vulnerability from bitnami_vulndb

CVE-2026-1101 (GCVE-0-2026-1101)

Tags

Sightings

Nomenclature