pyload-ng js2py - Remote Code Execution

An issue in the component js2py.disablepyimport of js2py up to v0.74 allows attackers to execute arbitrary code via a crafted API call. id: CVE-2024-28397 info: name: pyload-ng js2py - Remote Code Execution author: iamnoooob,rootxharsh,pdresearch severity: medium description: | An issue in the...

PyLoad 0.5.0 - Pre-auth Remote Code Execution (RCE)

Code Injection in GitHub repository pyload/pyload prior to 0.5.0b3.dev31. id: CVE-2023-0297 info: name: PyLoad 0.5.0 - Pre-auth Remote Code Execution RCE author: MrHarshvardhan,DhiyaneshDk severity: critical description: | Code Injection in GitHub repository pyload/pyload prior to 0.5.0b3.dev31...

pyload - Log Injection

A log injection vulnerability was identified in pyload. This vulnerability allows any unauthenticated actor to inject arbitrary messages into the logs gathered by pyload. id: CVE-2024-21645 info: name: pyload - Log Injection author: isacaya severity: medium description: | A log injection...

pyLoad Flask Config - Access Control

pyLoad is the free and open-source Download Manager written in pure Python. Any unauthenticated user can browse to a specific URL to expose the Flask config, including the SECRETKEY variable. This issue has been patched in version 0.5.0b3.dev77. id: CVE-2024-21644 info: name: pyLoad Flask Config ...

PYSEC-2026-2995 pyLoad: SSRF guard bypass via IPv6 6to4/NAT64 transition wrappers of internal IPs

Summary isglobaladdress in src/pyload/core/utils/web/check.py is the central guard against SSRF-style outbound connections in pyload-ng. It tests whether a given IP is "globally routable" via Python's ipaddress.ipaddressvalue.isglobal, and callers treat not isglobal as "deny": python def...

PYSEC-2026-2992 pyLoad: Unbounded Memory Growth Leading to DoS and Potential DDoS in EventManager

Description: The EventManager module in pyload manages a list of Client instances for subscribing to events. The addition of each unique uuid from the getevents API causes the creation of a Client instance that gets appended to the clients list. Although there is a clean method available in the...

PYSEC-2026-2998 pyLoad Has Incomplete Fix for CVE-2026-33509 -storage_folder Bypass via Session Directory in pyLoad

Summary The fix for CVE-2026-33509 prevents setting storagefolder inside PKGDIR or userdir, but does NOT protect the Flask session directory /tmp/pyLoad/flask. An authenticated attacker can set storagefolder to the session directory and download session files of other users via /files/get/, leadi...

PYSEC-2026-2993 PyLoad vulnerable to unauthenticated traceback disclosure via global exception handler in WebUI

Summary pyload-ng WebUI returns full Python traceback details to clients on unhandled exceptions. Because /web/ is reachable without authentication and renders attacker-controlled template names, an unauthenticated user can reliably trigger a server exception for example by requesting a...

PYSEC-2026-2990 pyLoad has Stale Session Privilege After Role/Permission Change (Privilege Revocation Bypass)

Summary pyLoad caches role and permission in the session at login and continues to authorize requests using these cached values, even after an admin changes the user's role/permissions in the database. As a result, an already logged-in user can keep old revoked privileges until logout/session...

PYSEC-2026-2997 pyload-ng has a WebUI JSON permission mismatch that lets ADD/DELETE users invoke MODIFY-only actions

Summary Several WebUI JSON endpoints enforce weaker permissions than the core API methods they invoke. This allows authenticated low-privileged users to execute MODIFY operations that should be denied by pyLoad's own permission model. Confirmed mismatches: - ADD user can reorder packages/files...

PYSEC-2026-2988 pyLoad: SSRF in parse_urls API endpoint via unvalidated URL parameter

Vulnerability Details CWE-918: Server-Side Request Forgery SSRF The parseurls API function in src/pyload/core/api/init.py line 556 fetches arbitrary URLs server-side via geturlurl pycurl without any URL validation, protocol restriction, or IP blacklist. An authenticated user with ADD permission...

CVE-2026-48737

creationtimestamp| type| source ---|---|--- 2026-07-09 14:35:19+00:00| published-proof-of-concept| https://github.com/pyload/pyload/security/advisories/GHSA-m5x5-28jr-gpjj...

GHSA-C2F9-4MC8-J656 pyLoad: Unbounded Memory Growth Leading to DoS and Potential DDoS in EventManager

Description: The EventManager module in pyload manages a list of Client instances for subscribing to events. The addition of each unique uuid from the getevents API causes the creation of a Client instance that gets appended to the clients list. Although there is a clean method available in the...

GHSA-M5X5-28JR-GPJJ pyLoad: SSRF guard bypass via IPv6 6to4/NAT64 transition wrappers of internal IPs

Summary isglobaladdress in src/pyload/core/utils/web/check.py is the central guard against SSRF-style outbound connections in pyload-ng. It tests whether a given IP is "globally routable" via Python's ipaddress.ipaddressvalue.isglobal, and callers treat not isglobal as "deny": python def...

PT-2026-56836

Name of the Vulnerable Software and Affected Versions pyload-ng affected versions not specified Description An issue exists where the software is susceptible to Server-Side Request Forgery SSRF. The is global address and is global host functions in src/pyload/core/utils/web/check.py rely on...

PT-2026-56837

Name of the Vulnerable Software and Affected Versions pyload affected versions not specified Description The EventManager module manages Client instances for event subscriptions. When the get events API is called with a unique uuid, a new Client instance is created and added to the clients list...

PYSEC-2026-1816 pyLoad CNL and captcha handlers allow Code Injection via unsanitized parameters

Summary pyLoad web interface contained insufficient input validation in both the Captcha script endpoint and the Click'N'Load CNL Blueprint. This flaw allowed untrusted user input to be processed unsafely, which could be exploited by an attacker to inject arbitrary content into the web UI or...

PYSEC-2026-1815 Denial-of-Service attack in pyLoad CNL Blueprint using dukpy.evaljs

Dear Maintainers, I am writing to you on behalf of the Tencent AI Sec. We have identified a potential vulnerability in one of your products and would like to report it to you for further investigation and mitigation. Summary The jk parameter is received in pyLoad CNL Blueprint. Due to the lack of...

PYSEC-2026-1821 PyLoad vulnerable to SQL Injection via API /json/add_package in add_links parameter

Summary The parameter addlinks in the API /json/addpackage is vulnerable to SQL Injection. SQL injection vulnerabilities can lead to sensitive data leakage. Details - Affected file：https://github.com/pyload/pyload/blob/develop/src/pyload/core/database/filedatabase.pyL271 - Affected code: python...

PYSEC-2026-1823 `pyLoad` has Path Traversal Vulnerability in `json/upload` Endpoint that allows Arbitrary File Write

Summary An authenticated path traversal vulnerability exists in the /json/upload endpoint of the pyLoad By manipulating the filename of an uploaded file, an attacker can traverse out of the intended upload directory, allowing them to write arbitrary files to any location on the system accessible ...