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CVE-2026-82837 (GCVE-0-2026-82837)

Vulnerability from cvelistv5 – Published: 2026-09-15 17:35 – Updated: 2026-09-15 17:35
VLAI
Title
Insertion of Sensitive Information Into Sent Data in GitLab
Summary
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 10.1.0 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that certain conditions could have allowed an authenticated user to access sensitive credentials and tokens without transiting the expected proxy due to improper authorization checks on internal data emission endpoints.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-201 - Insertion of Sensitive Information Into Sent Data
Assigner
References
Impacted products
Vendor Product Version CPE status
GitLab GitLab Affected: 10.1.0 , < 19.1.8 (semver)
Affected: 19.2 , < 19.2.6 (semver)
Affected: 19.3 , < 19.3.2 (semver)
    cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
Thanks [0xoroot](https://hackerone.com/0xoroot) for reporting this vulnerability through our HackerOne bug bounty program
Show details on NVD website
To clipboard 

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            "cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"
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          "repo": "git://git@gitlab.com:gitlab-org/gitlab.git",
          "vendor": "GitLab",
          "versions": [
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              "status": "affected",
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      ],
      "credits": [
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          "type": "finder",
          "value": "Thanks [0xoroot](https://hackerone.com/0xoroot) for reporting this vulnerability through our HackerOne bug bounty program"
        }
      ],
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        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
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              "value": "GENERAL"
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      "problemTypes": [
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      "providerMetadata": {
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        "orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
        "shortName": "GitLab"
      },
      "references": [
        {
          "url": "https://gitlab.com/gitlab-org/gitlab/-/work_items/626540"
        },
        {
          "name": "HackerOne Bug Bounty Report #3907835",
          "tags": [
            "technical-description",
            "exploit",
            "permissions-required"
          ],
          "url": "https://hackerone.com/reports/3907835"
        },
        {
          "url": "https://gitlab.com/gitlab-org/gitlab/-/work_items/610136"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade to versions 19.1.8, 19.2.6, 19.3.2 or above."
        }
      ],
      "title": "Insertion of Sensitive Information Into Sent Data in GitLab"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
    "assignerShortName": "GitLab",
    "cveId": "CVE-2026-82837",
    "datePublished": "2026-09-15T17:35:41.486Z",
    "dateReserved": "2026-08-31T07:33:30.186Z",
    "dateUpdated": "2026-09-15T17:35:41.486Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
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  }
}



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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

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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.