{"schema_version":1,"title":"nbconvert (PyPI) vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 4 vulnerabilities in nbconvert (PyPI): 0 in the last 7 days and 1 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2025-53000, was published on 7 July 2026.","url":"https://junglewise.ai/threats/technologies/nbconvert","json_url":"https://junglewise.ai/threats/technologies/nbconvert.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/nbconvert","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":0,"all_time":4,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":1,"last_365_days":3},"latest":[{"cve":"CVE-2025-53000","cvss":4,"epss":0.0026,"slug":"cve-2025-53000-nbconvert-has-an-uncontrolled-search-path-that-leads-to","title":"PYSEC-2026-1691 - nbconvert has an uncontrolled search path that leads to unauthorized code execution on Windows","severity":"medium","exploited":false,"published_at":"2026-07-07T16:03:13.458953+00:00","url":"https://junglewise.ai/threats/cve-2025-53000-nbconvert-has-an-uncontrolled-search-path-that-leads-to"},{"cve":"CVE-2026-39378","cvss":6.5,"epss":0.0046,"slug":"cve-2026-39378-nbconvert-has-an-arbitrary-file-read-via-path-traversal-in","title":"nbconvert has an Arbitrary File Read via Path Traversal in HTMLExporter Image Embedding","severity":"medium","exploited":false,"published_at":"2026-04-21T17:18:53+00:00","url":"https://junglewise.ai/threats/cve-2026-39378-nbconvert-has-an-arbitrary-file-read-via-path-traversal-in"},{"cve":"CVE-2026-39377","cvss":6.5,"epss":0.004,"slug":"cve-2026-39377-nbconvert-has-an-arbitrary-file-write-via-path-traversal-in-cell","title":"nbconvert has an Arbitrary File Write via Path Traversal in Cell Attachment Filenames","severity":"medium","exploited":false,"published_at":"2026-04-21T17:18:18+00:00","url":"https://junglewise.ai/threats/cve-2026-39377-nbconvert-has-an-arbitrary-file-write-via-path-traversal-in-cell"},{"cve":"CVE-2021-32862","cvss":3.1,"epss":0.0138,"slug":"cve-2021-32862-nbconvert-vulnerable-to-cross-site-scripting-xss-via-multiple","title":"PYSEC-2022-249 - The GitHub Security Lab discovered sixteen ways to exploit a cross-site scripting vulnerability in nbconvert. When using nbconvert to genera","severity":"low","exploited":false,"published_at":"2022-08-18T19:15:00+00:00","url":"https://junglewise.ai/threats/cve-2021-32862-nbconvert-vulnerable-to-cross-site-scripting-xss-via-multiple"}],"weekly":[{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"tensorflow (PyPI)","slug":"pypi-tensorflow","vulnerabilities":428,"url":"https://junglewise.ai/threats/technologies/pypi-tensorflow"},{"name":"tensorflow-cpu (PyPI)","slug":"tensorflow-cpu","vulnerabilities":424,"url":"https://junglewise.ai/threats/technologies/tensorflow-cpu"},{"name":"tensorflow-gpu (PyPI)","slug":"tensorflow-gpu","vulnerabilities":421,"url":"https://junglewise.ai/threats/technologies/tensorflow-gpu"},{"name":"open-webui (PyPI)","slug":"open-webui","vulnerabilities":177,"url":"https://junglewise.ai/threats/technologies/open-webui"},{"name":"Django (PyPI)","slug":"django","vulnerabilities":172,"url":"https://junglewise.ai/threats/technologies/django"},{"name":"apache-airflow (PyPI)","slug":"apache-airflow","vulnerabilities":152,"url":"https://junglewise.ai/threats/technologies/apache-airflow"},{"name":"plone (PyPI)","slug":"pypi-plone","vulnerabilities":101,"url":"https://junglewise.ai/threats/technologies/pypi-plone"},{"name":"praisonai (PyPI)","slug":"pypi-praisonai","vulnerabilities":86,"url":"https://junglewise.ai/threats/technologies/pypi-praisonai"},{"name":"exiv2 (PyPI)","slug":"exiv2","vulnerabilities":85,"url":"https://junglewise.ai/threats/technologies/exiv2"},{"name":"nltk (PyPI)","slug":"nltk","vulnerabilities":83,"url":"https://junglewise.ai/threats/technologies/nltk"},{"name":"mlflow (PyPI)","slug":"mlflow","vulnerabilities":82,"url":"https://junglewise.ai/threats/technologies/mlflow"},{"name":"pillow (PyPI)","slug":"pillow","vulnerabilities":79,"url":"https://junglewise.ai/threats/technologies/pillow"}],"technology":{"hub":true,"name":"nbconvert (PyPI)","slug":"nbconvert","vendor":{"name":"PyPI","slug":"pypi","url":"https://junglewise.ai/threats/vendors/pypi"},"aliases":[],"homepage":"https://nbconvert.readthedocs.io/","repo_url":"https://github.com/jupyter/nbconvert","description":"A tool for converting Jupyter notebooks to other formats such as HTML, PDF, and Markdown.","url":"https://junglewise.ai/threats/technologies/nbconvert"},"most_severe":[{"cve":"CVE-2026-39378","cvss":6.5,"epss":0.0046,"slug":"cve-2026-39378-nbconvert-has-an-arbitrary-file-read-via-path-traversal-in","title":"nbconvert has an Arbitrary File Read via Path Traversal in HTMLExporter Image Embedding","severity":"medium","exploited":false,"published_at":"2026-04-21T17:18:53+00:00","url":"https://junglewise.ai/threats/cve-2026-39378-nbconvert-has-an-arbitrary-file-read-via-path-traversal-in"},{"cve":"CVE-2026-39377","cvss":6.5,"epss":0.004,"slug":"cve-2026-39377-nbconvert-has-an-arbitrary-file-write-via-path-traversal-in-cell","title":"nbconvert has an Arbitrary File Write via Path Traversal in Cell Attachment Filenames","severity":"medium","exploited":false,"published_at":"2026-04-21T17:18:18+00:00","url":"https://junglewise.ai/threats/cve-2026-39377-nbconvert-has-an-arbitrary-file-write-via-path-traversal-in-cell"},{"cve":"CVE-2025-53000","cvss":4,"epss":0.0026,"slug":"cve-2025-53000-nbconvert-has-an-uncontrolled-search-path-that-leads-to","title":"PYSEC-2026-1691 - nbconvert has an uncontrolled search path that leads to unauthorized code execution on Windows","severity":"medium","exploited":false,"published_at":"2026-07-07T16:03:13.458953+00:00","url":"https://junglewise.ai/threats/cve-2025-53000-nbconvert-has-an-uncontrolled-search-path-that-leads-to"},{"cve":"CVE-2021-32862","cvss":3.1,"epss":0.0138,"slug":"cve-2021-32862-nbconvert-vulnerable-to-cross-site-scripting-xss-via-multiple","title":"PYSEC-2022-249 - The GitHub Security Lab discovered sixteen ways to exploit a cross-site scripting vulnerability in nbconvert. When using nbconvert to genera","severity":"low","exploited":false,"published_at":"2022-08-18T19:15:00+00:00","url":"https://junglewise.ai/threats/cve-2021-32862-nbconvert-vulnerable-to-cross-site-scripting-xss-via-multiple"}],"generated_at":"2026-09-28T03:07:00.154823+00:00"}