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Medium

An open redirection vulnerability exists in pyload/pyload version 0.5.0. The vulnerability is due to improper handling of the 'next' parameter in the login functionality. An attacker can exploit this

  • Disclosed: 15.11.2024
  • Updated: 11.10.2026 12:19

An open redirection vulnerability exists in pyload/pyload version 0.5.0. The vulnerability is due to improper handling of the 'next' parameter in the login functionality. An attacker can exploit this vulnerability to redirect users to malicious sites, which can be used for phishing or other malicious activities. The issue is fixed in pyload-ng 0.5.0b3.dev79.

Affected software

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PlatformPackageVulnerable versionsFixed in
Python (PyPI) pyload-ng all versions no fix

References

CVSS score 6.1/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness (CWE)
-
Platform
Python (PyPI)
Package
pyload-ng
Disclosed
15.11.2024
Updated
11.10.2026 12:19

Sources and licenses

OSV / GitHub Advisory Database - PYSEC-2024-123 - PyPA Advisory Database; CC BY 4.0

Vulnerability history: pyload-ng

All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.

All (58) in the archive
Total entries
58
First → latest
01.2023 10.2026
Without a fix
24
Exploited in attacks
0

Severity breakdown

  • Critical 9
  • High 23
  • Medium 25
  • Low 1

Disclosures per year

Severity:
  1. pyload-ng: getUserData/get_userdata exposed at Perms.ANY allow any authenticated account to brute-force the administrator password
    High · 8.1 ghsa-68w4-83fh-f2w8 >= 0.5.0b3.dev1, <= 0.5.0b3.dev101 no fix
  2. pyLoad: Privilege revocation and password change through the REST API do not invalidate the user's session
    High · 7.5 ghsa-jq7h-wrvp-3rgx <= 0.5.0b3.dev101 no fix
  3. pyLoad: Api.set_user_permission never invalidates the target's session
    High · 7.5 ghsa-889w-m37p-88m5 >= 0.5.0b3.dev98, <= 0.5.0b3.dev101 no fix
  4. pyLoad: Tar extraction creates device nodes and FIFOs (member types not filtered; tarfile extractall without filter=)
    High ghsa-fr26-jjhm-638c <= 0.5.0b3.dev101 no fix
  5. pyLoad has an authentication bypass in API key validation (check_apikey cache)
    High · 8.1 ghsa-r44w-v6gf-x3p6 < 0.5.0b3.dev101 0.5.0b3.dev101
  6. pyLoad is vulnerable to stored XSS in Downloads view via unsanitized link URL in packages.js template literal
    High · 8.7 CVE-2026-45348 <= 0.5.0b3.dev99 no fix
  7. PyLoad vulnerable to Path Traversal via Package Folder Name in set_package_data
    High · 8.1 CVE-2026-42315 < 0.5.0b3.dev100 0.5.0b3.dev100
  8. pyload-ng: non-admin SETTINGS users can redirect all outbound traffic through an attacker-controlled proxy via unrestricted `proxy.*` config (incomplete fix for CVE-2026-33509 / -35463 / -35464 / -35586)
    High · 8.3 CVE-2026-42313 < 0.5.0b3.dev100 0.5.0b3.dev100
  9. pyLoad has Stale Session Privilege After Role/Permission Change (Privilege Revocation Bypass)
    High · 8.8 CVE-2026-41133 <= 0.5.0b3.dev97 no fix
  10. pyLoad: Unprotected storage_folder enables arbitrary file write to Flask session store and code execution (Incomplete fix for CVE-2026-33509)
    High · 7.5 CVE-2026-35464 <= 0.5.0b3 no fix
  11. pyLoad: Improper Neutralization of Special Elements used in an OS Command
    High · 8.8 CVE-2026-35463 <= 0.5.0b3.dev96 no fix
  12. pyLoad: SSRF filter bypass via HTTP redirect in BaseDownloader (Incomplete fix for CVE-2026-33992)
    Critical CVE-2026-35459 <= 0.5.0b3.dev96 no fix
  13. pyLoad: SSRF in parse_urls API endpoint via unvalidated URL parameter
    High · 7.7 CVE-2026-35187 <= 0.5.0b3.dev96 no fix
  14. pyLoad: Server-Side Request Forgery via Download Link Submission Enables Cloud Metadata Exfiltration
    Critical CVE-2026-33992 <= 0.5.0b3.dev96 no fix
  15. pyLoad SETTINGS Permission Users Can Achieve Remote Code Execution via Unrestricted Reconnect Script Configuration
    High · 7.5 CVE-2026-33509 >= 0.4.0, <= 0.5.0b3.dev96 no fix
  16. pyLoad has an Arbitrary File Write via Path Traversal in edit_package()
    High · 7.1 CVE-2026-29778 >= 0.5.0b3.dev13, < 0.5.0b3.dev97 0.5.0b3.dev97
  17. pyLoad CNL and captcha handlers allow Code Injection via unsanitized parameters
    High · 8.1 CVE-2025-61773 < 0.5.0b3.dev91 0.5.0b3.dev91
  18. Denial-of-Service attack in pyLoad CNL Blueprint using dukpy.evaljs
    High CVE-2025-57751 < 0.5.0b3.dev92 0.5.0b3.dev92
  19. PyLoad vulnerable to SQL Injection via API /json/add_package in add_links parameter
    High CVE-2025-55156 < 0.5.0b3.dev91 0.5.0b3.dev91
  20. pyLoad CNL Blueprint allows Path Traversal through `dlc_path` which leads to Remote Code Execution (RCE)
    Critical · 9.8 CVE-2025-54802 < 0.5.0b3.dev90 0.5.0b3.dev90
  21. `pyLoad` has Path Traversal Vulnerability in `json/upload` Endpoint that allows Arbitrary File Write
    High · 7.5 CVE-2025-54140 >= 0.5.0b3.dev89, < 0.5.0b3.dev90 0.5.0b3.dev90
  22. pyLoad vulnerable to XSS through insecure CAPTCHA
    Critical · 9.8 CVE-2025-53890 < 0.20 0.20
  23. pyLoad is vulnerable to attacks that bypass localhost restrictions, enabling the creation of arbitrary packages
    High · 7.5 CVE-2025-7346 <= 0.5.0b3.dev88 no fix
  24. An open redirection vulnerability exists in pyload/pyload version 0.5.0. The vulnerability is due to improper handling of the 'next' parameter in the login functionality. An attacker can exploit this this entry
    Medium · 6.1 CVE-2024-1240 all versions no fix
  25. pyLoad vulnerable to remote code execution by download to /.pyload/scripts using /flashgot API
    High · 9.1 CVE-2024-47821 < 0.5.0b3.dev87 0.5.0b3.dev87
  26. pyload-ng vulnerable to RCE with js2py sandbox escape
    Critical · 9.8 CVE-2024-39205 <= 0.5.0b3.dev85 no fix
  27. pyLoad allows upload to arbitrary folder lead to RCE
    Critical · 9.1 CVE-2024-32880 <= 0.5.0 no fix
  28. Cross-Site Request Forgery on any API call in pyLoad may lead to admin privilege escalation
    Critical · 9.6 CVE-2024-22416 < 0.5.0b3.dev78 0.5.0b3.dev78
  29. pyload Unauthenticated Flask Configuration Leakage vulnerability
    High · 7.5 CVE-2024-21644 < 0.5.0b3.dev77 0.5.0b3.dev77
  30. Download to arbitrary folder can lead to RCE
    High · 7.6 CVE-2023-47890 < 0.5.0b3.dev75 0.5.0b3.dev75
  31. Improper Certificate Validation in pyload-ng
    High · 7.4 CVE-2023-0509 < 0.5.0b3.dev44 0.5.0b3.dev44
  32. Excessive Attack Surface in pyload-ng
    Critical · 9.8 CVE-2023-0435 < 0.5.0b3.dev41 0.5.0b3.dev41
  33. Code Injection in pyload-ng
    Critical · 9.8 CVE-2023-0297 < 0.5.0b3.dev31 0.5.0b3.dev31

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