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    4 vulnerabilities found for jupyterlab-git by jupyter

    CVE-2026-54528 (GCVE-0-2026-54528)

    Vulnerability from nvd – Published: 2026-07-08 21:04 – Updated: 2026-07-09 13:04
    VLAI
    Title
    jupyterlab-git excluded_paths Case-Sensitivity Bypass Allows Reading Excluded Directories
    Summary
    JupyterLab Git is a Git extension for JupyterLab. Prior to 0.54.0, jupyterlab-git uses fnmatch.fnmatchcase() in GitHandler.prepare() in jupyterlab_git/handlers.py to enforce excluded_paths, allowing an authenticated user on a case-insensitive filesystem to vary URL path casing and read excluded directories. This issue is fixed in version 0.54.0.
    Severity
    7.1 (High)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
    SSVC
    Exploitation: poc Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-178 - Improper Handling of Case Sensitivity
    Assigner
    References
    Impacted products
    Vendor Product Version
    jupyterlab jupyterlab-git Affected: < 0.54.0
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
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      "title": "jupyterlab-git excluded_paths Case-Sensitivity Bypass Allows Reading Excluded Directories"
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    "dateReserved": "2026-06-15T18:40:01.651Z",
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    CVE-2026-54527 (GCVE-0-2026-54527)

    Vulnerability from nvd – Published: 2026-07-08 21:03 – Updated: 2026-07-09 14:16
    VLAI
    Title
    JupyterLab Git: Stored XSS leading to RCE
    Summary
    JupyterLab Git is a Git extension for JupyterLab. From 0.30.0b3 before 0.54.0, the PlainTextDiff.ts createHeader() method passes Git filenames directly to innerHTML when rendering renamed files in commit history, allowing a crafted filename to execute JavaScript when a victim views the rename diff in the Git History tab. This issue is fixed in version 0.54.0.
    Severity
    9.3 (Critical)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
    SSVC
    Exploitation: poc Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
    Assigner
    References
    Impacted products
    Vendor Product Version
    jupyterlab jupyterlab-git Affected: >= 0.30.0b3, < 0.54.0
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-54528 (GCVE-0-2026-54528)

    Vulnerability from cvelistv5 – Published: 2026-07-08 21:04 – Updated: 2026-07-09 13:04
    VLAI
    Title
    jupyterlab-git excluded_paths Case-Sensitivity Bypass Allows Reading Excluded Directories
    Summary
    JupyterLab Git is a Git extension for JupyterLab. Prior to 0.54.0, jupyterlab-git uses fnmatch.fnmatchcase() in GitHandler.prepare() in jupyterlab_git/handlers.py to enforce excluded_paths, allowing an authenticated user on a case-insensitive filesystem to vary URL path casing and read excluded directories. This issue is fixed in version 0.54.0.
    Severity
    7.1 (High)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
    SSVC
    Exploitation: poc Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-178 - Improper Handling of Case Sensitivity
    Assigner
    References
    Impacted products
    Vendor Product Version
    jupyterlab jupyterlab-git Affected: < 0.54.0
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-54527 (GCVE-0-2026-54527)

    Vulnerability from cvelistv5 – Published: 2026-07-08 21:03 – Updated: 2026-07-09 14:16
    VLAI
    Title
    JupyterLab Git: Stored XSS leading to RCE
    Summary
    JupyterLab Git is a Git extension for JupyterLab. From 0.30.0b3 before 0.54.0, the PlainTextDiff.ts createHeader() method passes Git filenames directly to innerHTML when rendering renamed files in commit history, allowing a crafted filename to execute JavaScript when a victim views the rename diff in the Git History tab. This issue is fixed in version 0.54.0.
    Severity
    9.3 (Critical)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
    SSVC
    Exploitation: poc Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
    Assigner
    References
    Impacted products
    Vendor Product Version
    jupyterlab jupyterlab-git Affected: >= 0.30.0b3, < 0.54.0
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

    {
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            "x_refsource_MISC"
          ],
          "url": "https://github.com/jupyterlab/jupyterlab-git/releases/tag/v0.54.0"
        }
      ],
      "source": {
        "advisory": "GHSA-f962-v9hr-pfg5",
        "discovery": "UNKNOWN"
      },
      "title": "JupyterLab Git: Stored XSS leading to RCE"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-54527",
    "datePublished": "2026-07-08T21:03:01.698Z",
    "dateReserved": "2026-06-15T18:40:01.651Z",
    "dateUpdated": "2026-07-09T14:16:09.781Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}