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...

pyLoad: Unprotected storage_folder enables arbitrary file write to Flask session store and code execution (Incomplete fix for CVE-2026-33509)

SummaryThe fix for CVE-2026-33509 GHSA-r7mc-x6x7-cqxx added an ADMINONLYOPTIONS set to block non-admin users from modifying security-critical config options. The storagefolder option is not in this set and passes the existing path restriction because the Flask session directory is outside both...

pyLoad: SSRF in parse_urls API endpoint via unvalidated URL parameter

Vulnerability DetailsCWE-918: Server-Side Request Forgery SSRFThe 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 can...

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...

pyLoad SETTINGS Permission Users Can Achieve Remote Code Execution via Unrestricted Reconnect Script Configuration

SummaryThe setconfigvalue API endpoint allows users with the non-admin SETTINGS permission to modify any configuration option without restriction. The reconnect.script config option controls a file path that is passed directly to subprocess.run in the thread manager's reconnect logic. A SETTINGS...

PT-2026-59617

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

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...

ez-pyload (>=1.0.0, <=1.0.4) potentially affected by CVE-2026-48987 via pyload-ng (0.5.0b3.dev101)

pyload-ng PYPI version 0.5.0b3.dev101 is affected by a known vulnerability. The following packages have a transitive dependency on pyload-ng and may be impacted: - ez-pyload =1.0.0, =1.0.4 Source cves: CVE-2026-48987 Source advisory: SNYK:PYTHON-PYLOADNG-17911017...

Allocation of Resources Without Limits or Throttling

Overview pyload-ng is a The free and open-source Download Manager written in pure Python Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling due to the accumulation of Client instances in the clients list within the event management process. An...

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...

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...

ez-pyload (>=1.0.0, <=1.0.4) potentially affected by CVE-2026-48737 via pyload-ng (0.5.0b3.dev101)

pyload-ng PYPI version 0.5.0b3.dev101 is affected by a known vulnerability. The following packages have a transitive dependency on pyload-ng and may be impacted: - ez-pyload =1.0.0, =1.0.4 Source cves: CVE-2026-48737 Source advisory: SNYK:PYTHON-PYLOADNG-17911022...

Server-side Request Forgery (SSRF)

Overview pyload-ng is a The free and open-source Download Manager written in pure Python Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the isglobaladdress function. An attacker can access internal network resources or sensitive endpoints by supplying...

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-2026-56837

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...

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...

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...

pyLoad CNL and captcha handlers allow Code Injection via unsanitized parameters

SummarypyLoad 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...

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. SummaryThe jk parameter is received in pyLoad CNL Blueprint. Due to the lack of j...