GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2025-13978 (GCVE-0-2025-13978)

Vulnerability from cvelistv5 – Published: 2025-12-11 03:33 – Updated: 2025-12-11 15:23
VLAI
Title
Generation of Error Message Containing Sensitive Information in GitLab
Summary
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.5 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have allowed an authenticated user to discover the names of private projects they do not have access through API requests.
Severity
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-11 15:21 UTC
CWE
  • CWE-209 - Generation of Error Message Containing Sensitive Information
Assigner
References
Impacted products
Vendor Product Version CPE status
GitLab GitLab Affected: 17.5 , < 18.4.6 (semver)
Affected: 18.5 , < 18.5.4 (semver)
Affected: 18.6 , < 18.6.2 (semver)
    cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
This vulnerability has been discovered internally by GitLab team member Rohit Shambhuni
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-13978",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-12-11T15:21:06.520961Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-12-11T15:23:44.385Z",
          "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": "18.4.6",
              "status": "affected",
              "version": "17.5",
              "versionType": "semver"
            },
            {
              "lessThan": "18.5.4",
              "status": "affected",
              "version": "18.5",
              "versionType": "semver"
            },
            {
              "lessThan": "18.6.2",
              "status": "affected",
              "version": "18.6",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "This vulnerability has been discovered internally by GitLab team member Rohit Shambhuni"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.5 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have allowed an authenticated user to discover the names of private projects they do not have access through API requests."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-209",
              "description": "CWE-209: Generation of Error Message Containing Sensitive Information",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-11T03:33:22.925Z",
        "orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
        "shortName": "GitLab"
      },
      "references": [
        {
          "url": "https://gitlab.com/gitlab-org/gitlab/-/work_items/566960"
        },
        {
          "name": "GitLab Issue #566960",
          "tags": [
            "issue-tracking",
            "permissions-required"
          ],
          "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/566960"
        },
        {
          "url": "https://about.gitlab.com/releases/2025/12/10/patch-release-gitlab-18-6-2-released/"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade to versions 18.4.6, 18.5.4, 18.6.2 or above."
        }
      ],
      "title": "Generation of Error Message Containing Sensitive Information in GitLab"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
    "assignerShortName": "GitLab",
    "cveId": "CVE-2025-13978",
    "datePublished": "2025-12-11T03:33:22.925Z",
    "dateReserved": "2025-12-03T17:03:46.945Z",
    "dateUpdated": "2025-12-11T15:23:44.385Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2025-13978",
      "date": "2026-09-14",
      "epss": "0.00302",
      "percentile": "0.22723"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-13978\",\"sourceIdentifier\":\"cve@gitlab.com\",\"published\":\"2025-12-11T04:15:58.790\",\"lastModified\":\"2026-06-17T08:35:06.323\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.5 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have allowed an authenticated user to discover the names of private projects they do not have access through API requests.\"}],\"affected\":[{\"source\":\"cve@gitlab.com\",\"affectedData\":[{\"vendor\":\"GitLab\",\"product\":\"GitLab\",\"defaultStatus\":\"unaffected\",\"cpes\":[\"cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*\"],\"repo\":\"git://git@gitlab.com:gitlab-org/gitlab.git\",\"versions\":[{\"version\":\"17.5\",\"lessThan\":\"18.4.6\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"18.5\",\"lessThan\":\"18.5.4\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"18.6\",\"lessThan\":\"18.6.2\",\"versionType\":\"semver\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"cve@gitlab.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N\",\"baseScore\":4.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":1.4}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2025-12-11T15:21:06.520961Z\",\"id\":\"CVE-2025-13978\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"cve@gitlab.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-209\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*\",\"versionStartIncluding\":\"17.5.0\",\"versionEndExcluding\":\"18.4.6\",\"matchCriteriaId\":\"90486772-2F3B-4776-A4E4-16AF7489F134\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*\",\"versionStartIncluding\":\"17.5.0\",\"versionEndExcluding\":\"18.4.6\",\"matchCriteriaId\":\"7CC8E0F0-93B9-4D75-8BD5-42C4E7510B04\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*\",\"versionStartIncluding\":\"18.5.0\",\"versionEndExcluding\":\"18.5.4\",\"matchCriteriaId\":\"457DB333-60BE-44CD-A674-216AB658E14E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*\",\"versionStartIncluding\":\"18.5.0\",\"versionEndExcluding\":\"18.5.4\",\"matchCriteriaId\":\"910967DB-0A8C-4436-9D9E-37BD610E7367\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*\",\"versionStartIncluding\":\"18.6.0\",\"versionEndExcluding\":\"18.6.2\",\"matchCriteriaId\":\"919A2588-3EA1-4E15-B47E-61B3E14B2781\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*\",\"versionStartIncluding\":\"18.6.0\",\"versionEndExcluding\":\"18.6.2\",\"matchCriteriaId\":\"6343A083-3E1C-4551-B230-76CABC3FDD67\"}]}]}],\"references\":[{\"url\":\"https://about.gitlab.com/releases/2025/12/10/patch-release-gitlab-18-6-2-released/\",\"source\":\"cve@gitlab.com\",\"tags\":[\"Release Notes\",\"Vendor Advisory\"]},{\"url\":\"https://gitlab.com/gitlab-org/gitlab/-/issues/566960\",\"source\":\"cve@gitlab.com\",\"tags\":[\"Broken Link\"]},{\"url\":\"https://gitlab.com/gitlab-org/gitlab/-/work_items/566960\",\"source\":\"cve@gitlab.com\",\"tags\":[\"Broken Link\"]}]}}",
    "redhat_vex": {
      "current_release_date": "2025-12-12T04:13:24+00:00",
      "cve": "CVE-2025-13978",
      "id": "CVE-2025-13978",
      "initial_release_date": "2025-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Generation of Error Message Containing Sensitive Information in GitLab",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-13978.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2025-13978\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-12-11T15:21:06.520961Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-12-11T15:23:37.578Z\"}}], \"cna\": {\"title\": \"Generation of Error Message Containing Sensitive Information in GitLab\", \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"This vulnerability has been discovered internally by GitLab team member Rohit Shambhuni\"}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 4.3, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"LOW\", \"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\": \"17.5\", \"lessThan\": \"18.4.6\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"18.5\", \"lessThan\": \"18.5.4\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"18.6\", \"lessThan\": \"18.6.2\", \"versionType\": \"semver\"}], \"defaultStatus\": \"unaffected\"}], \"solutions\": [{\"lang\": \"en\", \"value\": \"Upgrade to versions 18.4.6, 18.5.4, 18.6.2 or above.\"}], \"references\": [{\"url\": \"https://gitlab.com/gitlab-org/gitlab/-/work_items/566960\"}, {\"url\": \"https://gitlab.com/gitlab-org/gitlab/-/issues/566960\", \"name\": \"GitLab Issue #566960\", \"tags\": [\"issue-tracking\", \"permissions-required\"]}, {\"url\": \"https://about.gitlab.com/releases/2025/12/10/patch-release-gitlab-18-6-2-released/\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.5 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have allowed an authenticated user to discover the names of private projects they do not have access through API requests.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-209\", \"description\": \"CWE-209: Generation of Error Message Containing Sensitive Information\"}]}], \"providerMetadata\": {\"orgId\": \"ceab7361-8a18-47b1-92ba-4d7d25f6715a\", \"shortName\": \"GitLab\", \"dateUpdated\": \"2025-12-11T03:33:22.925Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-13978\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-12-11T15:23:44.385Z\", \"dateReserved\": \"2025-12-03T17:03:46.945Z\", \"assignerOrgId\": \"ceab7361-8a18-47b1-92ba-4d7d25f6715a\", \"datePublished\": \"2025-12-11T03:33:22.925Z\", \"assignerShortName\": \"GitLab\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.