{"schema_version":1,"title":"lightning (PyPI) vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 9 vulnerabilities in lightning (PyPI): 0 in the last 7 days and 7 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2021-4118, was published on 10 September 2026.","url":"https://junglewise.ai/threats/technologies/lightning","json_url":"https://junglewise.ai/threats/technologies/lightning.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/lightning","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":2,"all_time":9,"critical":1,"exploited":0,"last_7_days":0,"last_30_days":5,"last_90_days":7,"last_365_days":9},"latest":[{"cve":"CVE-2021-4118","cvss":3.1,"epss":0.0098,"slug":"cve-2021-4118-pytorch-lightning-deserialization-of-untrusted-data","title":"PYSEC-2026-3968 - pytorch-lightning is vulnerable to Deserialization of Untrusted Data","severity":"low","exploited":false,"published_at":"2026-09-10T16:42:38.525571+00:00","url":"https://junglewise.ai/threats/cve-2021-4118-pytorch-lightning-deserialization-of-untrusted-data"},{"cve":"CVE-2024-8020","cvss":3,"epss":0.0063,"slug":"cve-2024-8020-pytorch-lightning-denial-of-service-vulnerability","title":"PYSEC-2026-3971 - PyTorch Lightning denial of service vulnerability","severity":"low","exploited":false,"published_at":"2026-09-10T16:42:38.491957+00:00","url":"https://junglewise.ai/threats/cve-2024-8020-pytorch-lightning-denial-of-service-vulnerability"},{"cve":"CVE-2022-0845","cvss":3.1,"epss":0.0098,"slug":"cve-2022-0845-code-injection-in-pytorch-lightning","title":"PyTorch Lightning code injection via eval()","severity":"low","exploited":false,"published_at":"2026-09-10T16:42:38.429529+00:00","url":"https://junglewise.ai/threats/cve-2022-0845-code-injection-in-pytorch-lightning"},{"cve":"CVE-2024-5980","cvss":3,"epss":0.0132,"slug":"cve-2024-5980-pytorch-lightning-vulnerable-to-arbitrary-file-write-via-v1-runs","title":"PYSEC-2026-3975 - pytorch-lightning vulnerable to Arbitrary File Write via /v1/runs API endpoint","severity":"low","exploited":false,"published_at":"2026-09-10T16:42:38.333094+00:00","url":"https://junglewise.ai/threats/cve-2024-5980-pytorch-lightning-vulnerable-to-arbitrary-file-write-via-v1-runs"},{"cve":"CVE-2024-5452","cvss":3,"epss":0.2683,"slug":"cve-2024-5452-remote-code-execution-in-pytorch-lightning","title":"PYSEC-2026-3974 - Remote code execution in pytorch lightning","severity":"low","exploited":false,"published_at":"2026-09-10T16:42:38.315719+00:00","url":"https://junglewise.ai/threats/cve-2024-5452-remote-code-execution-in-pytorch-lightning"},{"cve":"CVE-2026-58659","cvss":7.8,"epss":0.0063,"slug":"cve-2026-58659-pytorch-lightning-remote-code-execution-in-load-from-checkpoint","title":"PyTorch Lightning remote code execution in load_from_checkpoint","severity":"high","exploited":false,"published_at":"2026-07-15T18:16:48.743+00:00","url":"https://junglewise.ai/threats/cve-2026-58659-pytorch-lightning-remote-code-execution-in-load-from-checkpoint"},{"cve":"CVE-2024-8019","cvss":3,"epss":0.0112,"slug":"cve-2024-8019-pytorch-lightning-path-traversal-vulnerability","title":"PYSEC-2026-507 - PyTorch Lightning path traversal vulnerability","severity":"low","exploited":false,"published_at":"2026-06-29T11:50:34.262484+00:00","url":"https://junglewise.ai/threats/cve-2024-8019-pytorch-lightning-path-traversal-vulnerability"},{"cve":"CVE-2026-44484","cvss":9.8,"epss":0.0067,"slug":"cve-2026-44484-pytorch-lightning-malicious-code-injection-in-pypi-packages","title":"PyTorch Lightning malicious code injection in PyPI packages","severity":"critical","exploited":false,"published_at":"2026-05-14T15:16:48.933+00:00","url":"https://junglewise.ai/threats/cve-2026-44484-pytorch-lightning-malicious-code-injection-in-pypi-packages"},{"cve":"CVE-2026-31221","cvss":7.8,"epss":0.0055,"slug":"cve-2026-31221-lightning-ai-pytorch-lightning-insecure-deserialization-in","title":"Lightning AI PyTorch Lightning insecure deserialization in checkpoint loading","severity":"high","exploited":false,"published_at":"2026-05-12T16:16:14.02+00:00","url":"https://junglewise.ai/threats/cve-2026-31221-lightning-ai-pytorch-lightning-insecure-deserialization-in"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":1},{"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":5},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","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":"lightning (PyPI)","slug":"lightning","vendor":{"name":"PyPI","slug":"pypi","url":"https://junglewise.ai/threats/vendors/pypi"},"aliases":[],"description":"Deep learning framework for training neural networks and building AI models.","url":"https://junglewise.ai/threats/technologies/lightning"},"most_severe":[{"cve":"CVE-2026-44484","cvss":9.8,"epss":0.0067,"slug":"cve-2026-44484-pytorch-lightning-malicious-code-injection-in-pypi-packages","title":"PyTorch Lightning malicious code injection in PyPI packages","severity":"critical","exploited":false,"published_at":"2026-05-14T15:16:48.933+00:00","url":"https://junglewise.ai/threats/cve-2026-44484-pytorch-lightning-malicious-code-injection-in-pypi-packages"},{"cve":"CVE-2026-58659","cvss":7.8,"epss":0.0063,"slug":"cve-2026-58659-pytorch-lightning-remote-code-execution-in-load-from-checkpoint","title":"PyTorch Lightning remote code execution in load_from_checkpoint","severity":"high","exploited":false,"published_at":"2026-07-15T18:16:48.743+00:00","url":"https://junglewise.ai/threats/cve-2026-58659-pytorch-lightning-remote-code-execution-in-load-from-checkpoint"},{"cve":"CVE-2026-31221","cvss":7.8,"epss":0.0055,"slug":"cve-2026-31221-lightning-ai-pytorch-lightning-insecure-deserialization-in","title":"Lightning AI PyTorch Lightning insecure deserialization in checkpoint loading","severity":"high","exploited":false,"published_at":"2026-05-12T16:16:14.02+00:00","url":"https://junglewise.ai/threats/cve-2026-31221-lightning-ai-pytorch-lightning-insecure-deserialization-in"},{"cve":"CVE-2021-4118","cvss":3.1,"epss":0.0098,"slug":"cve-2021-4118-pytorch-lightning-deserialization-of-untrusted-data","title":"PYSEC-2026-3968 - pytorch-lightning is vulnerable to Deserialization of Untrusted Data","severity":"low","exploited":false,"published_at":"2026-09-10T16:42:38.525571+00:00","url":"https://junglewise.ai/threats/cve-2021-4118-pytorch-lightning-deserialization-of-untrusted-data"},{"cve":"CVE-2022-0845","cvss":3.1,"epss":0.0098,"slug":"cve-2022-0845-code-injection-in-pytorch-lightning","title":"PyTorch Lightning code injection via eval()","severity":"low","exploited":false,"published_at":"2026-09-10T16:42:38.429529+00:00","url":"https://junglewise.ai/threats/cve-2022-0845-code-injection-in-pytorch-lightning"},{"cve":"CVE-2024-5452","cvss":3,"epss":0.2683,"slug":"cve-2024-5452-remote-code-execution-in-pytorch-lightning","title":"PYSEC-2026-3974 - Remote code execution in pytorch lightning","severity":"low","exploited":false,"published_at":"2026-09-10T16:42:38.315719+00:00","url":"https://junglewise.ai/threats/cve-2024-5452-remote-code-execution-in-pytorch-lightning"},{"cve":"CVE-2024-5980","cvss":3,"epss":0.0132,"slug":"cve-2024-5980-pytorch-lightning-vulnerable-to-arbitrary-file-write-via-v1-runs","title":"PYSEC-2026-3975 - pytorch-lightning vulnerable to Arbitrary File Write via /v1/runs API endpoint","severity":"low","exploited":false,"published_at":"2026-09-10T16:42:38.333094+00:00","url":"https://junglewise.ai/threats/cve-2024-5980-pytorch-lightning-vulnerable-to-arbitrary-file-write-via-v1-runs"},{"cve":"CVE-2024-8019","cvss":3,"epss":0.0112,"slug":"cve-2024-8019-pytorch-lightning-path-traversal-vulnerability","title":"PYSEC-2026-507 - PyTorch Lightning path traversal vulnerability","severity":"low","exploited":false,"published_at":"2026-06-29T11:50:34.262484+00:00","url":"https://junglewise.ai/threats/cve-2024-8019-pytorch-lightning-path-traversal-vulnerability"},{"cve":"CVE-2024-8020","cvss":3,"epss":0.0063,"slug":"cve-2024-8020-pytorch-lightning-denial-of-service-vulnerability","title":"PYSEC-2026-3971 - PyTorch Lightning denial of service vulnerability","severity":"low","exploited":false,"published_at":"2026-09-10T16:42:38.491957+00:00","url":"https://junglewise.ai/threats/cve-2024-8020-pytorch-lightning-denial-of-service-vulnerability"}],"generated_at":"2026-09-27T03:07:00.185062+00:00"}