CVE-2025-12669 (GCVE-0-2025-12669)

Vulnerability from cvelistv5 – Published: 2026-05-14 05:38 – Updated: 2026-05-14 17:47
VLAI?
Title
Improper Control of Generation of Code ('Code Injection') in GitLab
Summary
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.11 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user to inject HTML and JavaScript into email notifications sent to other users due to improper input sanitization.
Severity ?
5.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CWE
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
Impacted products
Vendor Product Version
GitLab GitLab Affected: 15.11 , < 18.9.7 (semver)
Affected: 18.10 , < 18.10.6 (semver)
Affected: 18.11 , < 18.11.3 (semver)
    cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
Thanks [ricardobrito](https://hackerone.com/ricardobrito) for reporting this vulnerability through our HackerOne bug bounty program
Show details on NVD website
To clipboard 

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      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-12669",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-14T17:46:54.867865Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
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        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-14T17:47:03.748Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
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    "cna": {
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          "defaultStatus": "unaffected",
          "product": "GitLab",
          "repo": "git://git@gitlab.com:gitlab-org/gitlab.git",
          "vendor": "GitLab",
          "versions": [
            {
              "lessThan": "18.9.7",
              "status": "affected",
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              "versionType": "semver"
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              "status": "affected",
              "version": "18.10",
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      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Thanks [ricardobrito](https://hackerone.com/ricardobrito) for reporting this vulnerability through our HackerOne bug bounty program"
        }
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          "lang": "en",
          "value": "GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.11 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user to inject HTML and JavaScript into email notifications sent to other users due to improper input sanitization."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
            "version": "3.1"
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          "scenarios": [
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              "value": "GENERAL"
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      "problemTypes": [
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          "descriptions": [
            {
              "cweId": "CWE-94",
              "description": "CWE-94: Improper Control of Generation of Code (\u0027Code Injection\u0027)",
              "lang": "en",
              "type": "CWE"
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          ]
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      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-14T05:38:37.338Z",
        "orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
        "shortName": "GitLab"
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      "references": [
        {
          "name": "HackerOne Bug Bounty Report #3368096",
          "tags": [
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            "permissions-required"
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          "url": "https://hackerone.com/reports/3368096"
        },
        {
          "url": "https://gitlab.com/gitlab-org/gitlab/-/work_items/579385"
        },
        {
          "url": "https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade to versions 18.9.7, 18.10.6, 18.11.3 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-2025-12669",
    "datePublished": "2026-05-14T05:38:37.338Z",
    "dateReserved": "2025-11-03T21:33:31.186Z",
    "dateUpdated": "2026-05-14T17:47:03.748Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.