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 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 ...

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...

PYSEC-2026-495 pyLoad: SSRF filter bypass via HTTP redirect in BaseDownloader (Incomplete fix for CVE-2026-33992)

Summary The fix for CVE-2026-33992 GHSA-m74m-f7cr-432x added IP validation to BaseDownloader.download that checks the hostname of the initial download URL. However, pycurl is configured with FOLLOWLOCATION=1 and MAXREDIRS=10, causing it to automatically follow HTTP redirects. Redirect targets are...

PYSEC-2026-497 pyLoad: Server-Side Request Forgery via Download Link Submission Enables Cloud Metadata Exfiltration

Summary PyLoad's download engine accepts arbitrary URLs without validation, enabling Server-Side Request Forgery SSRF attacks. An authenticated attacker can exploit this to access internal network services and exfiltrate cloud provider metadata. On DigitalOcean droplets, this exposes sensitive...

PYSEC-2026-498 Code Injection in pyload-ng

Code Injection in GitHub repository pyload/pyload prior to 0.5.0b3.dev31...

PYSEC-2026-494 Excessive Attack Surface in pyload-ng

Excessive Attack Surface in GitHub repository pyload/pyload prior to 0.5.0b3.dev41...

PYSEC-2026-499 pyload-ng vulnerable to RCE with js2py sandbox escape

Summary Any pyload-ng running under python3.11 or below are vulnerable under RCE. Attacker can send a request containing any shell command and the victim server will execute it immediately. Details js2py has a vulnerability of sandbox escape assigned as CVE-2024-28397, which is used by the...

PYSEC-2026-493 pyLoad CNL Blueprint allows Path Traversal through `dlc_path` which leads to Remote Code Execution (RCE)

Summary Path Traversal in pyLoad-ng CNL Blueprint via package parameter allows Arbitrary File Write leading to Remote Code Execution RCE The addcrypted endpoint in pyload-ng suffers from an unsafe path construction vulnerability, allowing unauthenticated attackers to write arbitrary files outside...

PYSEC-2026-496 pyLoad vulnerable to XSS through insecure CAPTCHA

Summary An unsafe JavaScript evaluation vulnerability in pyLoad’s CAPTCHA processing code allows unauthenticated remote attackers to execute arbitrary code in the client browser and potentially the backend server. Exploitation requires no user interaction or authentication and can result in sessi...

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...

CVE-2026-45306

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev100, 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...

CVE-2026-42314

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev100, package folder names are sanitized using insufficient string replacement. The pattern ....// becomes .. after replacement partial removal, leaving .. which can be exploited when the path is later resolve...

CVE-2026-46561

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev100, the PREREQFUNCTION-based private IP check was not applied to HTTPRequest used by the parseurls API. An authenticated attacker can supply a URL pointing to an attacker-controlled server that responds with...

CVE-2026-40594

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev98, the setsessioncookiesecure beforerequest handler in src/pyload/webui/app/init.py reads the X-Forwarded-Proto header from any HTTP request without validating that the request originates from a trusted prox...

CVE-2026-44226

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev100, 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...

CVE-2026-35586

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev97, the ADMINONLYCOREOPTIONS authorization set in setconfigvalue uses incorrect option names sslcert and sslkey, while the actual configuration option names are sslcertfile and sslkeyfile. This name mismatch...

CVE-2026-41133

pyLoad is a free and open-source download manager written in Python. Versions up to and including 0.5.0b3.dev97 cache 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...

CVE-2026-45348

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev100, the packages.js template at src/pyload/webui/app/themes/modern/templates/js/packages.js:172 interpolates a stored link URL into a template literal inside single-quoted HTML and then writes the result to...

CVE-2026-42313

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev100, the setconfigvalue API method @permissionPerms.SETTINGS in src/pyload/core/api/init.py gates security-sensitive options behind a hand-maintained allowlist ADMINONLYCOREOPTIONS. The allowlist contains...