CVE-2025-5101 (GCVE-0-2025-5101)

Vulnerability from cvelistv5 – Published: 2025-08-27 19:33 – Updated: 2025-08-27 19:53
VLAI?
Summary
An issue has been discovered in GitLab CE/EE affecting all versions before 18.1.5, 18.2 before 18.2.5, and 18.3 before 18.3.1 that under certain conditions could have allowed an authenticated attacker to distribute malicious code that appears harmless in the web interface by taking advantage of ambiguity between branches and tags during repository imports.
Severity ?
5 (Medium)
CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:N/I:H/A:N
CWE
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
https://gitlab.com/gitlab-org/gitlab/-/issues/545165 issue-trackingpermissions-required
https://hackerone.com/reports/3124199 technical-descriptionexploitpermissions-required
Impacted products
Vendor Product Version
GitLab GitLab Affected: 0 , < 18.1.5 (semver)
Affected: 18.2 , < 18.2.5 (semver)
Affected: 18.3 , < 18.3.1 (semver)
    cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
Thanks [st4nly0n](https://hackerone.com/st4nly0n) for reporting this vulnerability through our HackerOne bug bounty program
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-5101",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-08-27T19:53:27.843157Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-08-27T19:53:36.682Z",
          "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": "18.1.5",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThan": "18.2.5",
              "status": "affected",
              "version": "18.2",
              "versionType": "semver"
            },
            {
              "lessThan": "18.3.1",
              "status": "affected",
              "version": "18.3",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Thanks [st4nly0n](https://hackerone.com/st4nly0n) for reporting this vulnerability through our HackerOne bug bounty program"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An issue has been discovered in GitLab CE/EE affecting all versions before 18.1.5, 18.2 before 18.2.5, and 18.3 before 18.3.1 that under certain conditions could have allowed an authenticated attacker to distribute malicious code that appears harmless in the web interface by taking advantage of ambiguity between branches and tags during repository imports."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:N/I:H/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": "2025-08-27T19:33:36.040Z",
        "orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
        "shortName": "GitLab"
      },
      "references": [
        {
          "name": "GitLab Issue #545165",
          "tags": [
            "issue-tracking",
            "permissions-required"
          ],
          "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/545165"
        },
        {
          "name": "HackerOne Bug Bounty Report #3124199",
          "tags": [
            "technical-description",
            "exploit",
            "permissions-required"
          ],
          "url": "https://hackerone.com/reports/3124199"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade to versions 18.1.5, 18.2.5, 18.3.1 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-2025-5101",
    "datePublished": "2025-08-27T19:33:36.040Z",
    "dateReserved": "2025-05-22T21:30:42.068Z",
    "dateUpdated": "2025-08-27T19:53:36.682Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-5101\",\"sourceIdentifier\":\"cve@gitlab.com\",\"published\":\"2025-08-27T20:15:34.303\",\"lastModified\":\"2025-09-02T17:47:34.833\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An issue has been discovered in GitLab CE/EE affecting all versions before 18.1.5, 18.2 before 18.2.5, and 18.3 before 18.3.1 that under certain conditions could have allowed an authenticated attacker to distribute malicious code that appears harmless in the web interface by taking advantage of ambiguity between branches and tags during repository imports.\"},{\"lang\":\"es\",\"value\":\"Se ha descubierto un problema en GitLab CE/EE que afecta a todas las versiones anteriores a la 18.1.5, 18.2 anteriores a la 18.2.5 y 18.3 anteriores a la 18.3.1 que, en determinadas condiciones, podr\u00eda haber permitido a un atacante autenticado distribuir c\u00f3digo malicioso que parece inofensivo en la interfaz web aprovechando la ambig\u00fcedad entre ramas y etiquetas durante las importaciones del repositorio.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"cve@gitlab.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:N/I:H/A:N\",\"baseScore\":5.0,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"REQUIRED\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":0.6,\"impactScore\":4.0}]},\"weaknesses\":[{\"source\":\"cve@gitlab.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-94\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*\",\"versionEndExcluding\":\"18.1.5\",\"matchCriteriaId\":\"5B784A4E-56A5-4FB4-8E87-13810490F090\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*\",\"versionEndExcluding\":\"18.1.5\",\"matchCriteriaId\":\"98D3EC94-0875-425C-97C4-2E495CB9735B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*\",\"versionStartIncluding\":\"18.2.0\",\"versionEndExcluding\":\"18.2.5\",\"matchCriteriaId\":\"7D318F06-A01A-4C04-A5CE-00347F7201C9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*\",\"versionStartIncluding\":\"18.2.0\",\"versionEndExcluding\":\"18.2.5\",\"matchCriteriaId\":\"450C862F-1130-40E3-9A99-F04001558803\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gitlab:gitlab:18.3.0:*:*:*:community:*:*:*\",\"matchCriteriaId\":\"079AC183-AA7D-47D4-BE44-55A04C85426F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gitlab:gitlab:18.3.0:*:*:*:enterprise:*:*:*\",\"matchCriteriaId\":\"5BA9E943-C8C4-4181-A0BF-5DADFE88413D\"}]}]}],\"references\":[{\"url\":\"https://gitlab.com/gitlab-org/gitlab/-/issues/545165\",\"source\":\"cve@gitlab.com\",\"tags\":[\"Broken Link\"]},{\"url\":\"https://hackerone.com/reports/3124199\",\"source\":\"cve@gitlab.com\",\"tags\":[\"Permissions Required\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2025-5101\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-08-27T19:53:27.843157Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-08-27T19:53:30.331Z\"}}], \"cna\": {\"title\": \"Improper Control of Generation of Code (\u0027Code Injection\u0027) in GitLab\", \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"Thanks [st4nly0n](https://hackerone.com/st4nly0n) for reporting this vulnerability through our HackerOne bug bounty program\"}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"CHANGED\", \"version\": \"3.1\", \"baseScore\": 5, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:N/I:H/A:N\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"REQUIRED\", \"attackComplexity\": \"HIGH\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"HIGH\", \"confidentialityImpact\": \"NONE\"}, \"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\": \"0\", \"lessThan\": \"18.1.5\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"18.2\", \"lessThan\": \"18.2.5\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"18.3\", \"lessThan\": \"18.3.1\", \"versionType\": \"semver\"}], \"defaultStatus\": \"unaffected\"}], \"solutions\": [{\"lang\": \"en\", \"value\": \"Upgrade to versions 18.1.5, 18.2.5, 18.3.1 or above.\"}], \"references\": [{\"url\": \"https://gitlab.com/gitlab-org/gitlab/-/issues/545165\", \"name\": \"GitLab Issue #545165\", \"tags\": [\"issue-tracking\", \"permissions-required\"]}, {\"url\": \"https://hackerone.com/reports/3124199\", \"name\": \"HackerOne Bug Bounty Report #3124199\", \"tags\": [\"technical-description\", \"exploit\", \"permissions-required\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"An issue has been discovered in GitLab CE/EE affecting all versions before 18.1.5, 18.2 before 18.2.5, and 18.3 before 18.3.1 that under certain conditions could have allowed an authenticated attacker to distribute malicious code that appears harmless in the web interface by taking advantage of ambiguity between branches and tags during repository imports.\"}], \"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\": \"2025-08-27T19:33:36.040Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-5101\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-08-27T19:53:36.682Z\", \"dateReserved\": \"2025-05-22T21:30:42.068Z\", \"assignerOrgId\": \"ceab7361-8a18-47b1-92ba-4d7d25f6715a\", \"datePublished\": \"2025-08-27T19:33:36.040Z\", \"assignerShortName\": \"GitLab\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




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.