GHSA-VQ8P-M3WM-GV5F pyLoad: Lack of Input Size Validation Leads to Denial of Service (DoS) and Process Termination

Description: The API rpc function in apiblueprint.py handles multipart/form-data uploads by reading the whole content of the uploaded file into memory with file.read. This occurs before the data is sent to the underlying function. Since there is no size limit set at this point, a large file uploa...

CVE-2026-48484

The pyLoad download manager is vulnerable to a Denial of Service (DoS) due to a lack of input size validation. Specifically, the rpc function in api_blueprint.py processes multipart/form-data uploads by using file.read() to load the entire file into memory before further processing. Because no si...

EUVD-2026-95910

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev101, the API rpc function in apiblueprint.py handles multipart/form-data uploads by reading the whole content of the uploaded file into memory with file.read. This occurs before the data is sent to the...

CVE-2026-48484 pyLoad: Lack of Input Size Validation Leads to Denial of Service (DoS) and Process Termination

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev101, the API rpc function in apiblueprint.py handles multipart/form-data uploads by reading the whole content of the uploaded file into memory with file.read. This occurs before the data is sent to the...

CVE-2026-48484 pyLoad: Lack of Input Size Validation Leads to Denial of Service (DoS) and Process Termination

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev101, the API rpc function in apiblueprint.py handles multipart/form-data uploads by reading the whole content of the uploaded file into memory with file.read. This occurs before the data is sent to the...

PT-2026-108987

Name of the Vulnerable Software and Affected Versions pyLoad versions prior to 0.5.0b3.dev101 Description The /web/ endpoint in src/pyload/webui/app/blueprints/app blueprint.py renders Jinja2 templates without requiring authentication, bypassing the @login required protection applied to direct...

CVE-2026-48484: Improper Input Validation

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev101, the API rpc function in apiblueprint.py handles multipart/form-data uploads by reading the whole content of the uploaded file into memory with file.read. This occurs before the data is sent to the...

PT-2026-108984

Name of the Vulnerable Software and Affected Versions pyLoad versions prior to 0.5.0b3.dev101 Description The rpc function in api blueprint.py handles multipart/form-data uploads by reading the entire content of the uploaded file into memory using file.read before sending the data to the underlyi...

CVE-2026-75597: Generation of Error Message Containing Sensitive Information

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev101, the /web/ route in src/pyload/webui/app/blueprints/appblueprint.py renders Jinja2 templates without any authentication requirement. Every equivalent direct route /logs, /settings, /queue, /dashboard, etc...

CVE-2026-48737

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev101, isglobaladdress in src/pyload/core/utils/web/check.py relies on Python's global-address classification without examining IPv4 destinations embedded in 6to4 or NAT64 IPv6 addresses. A low-privileged user...

CVE-2026-48987

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev101, EventManager in src/pyload/core/managers/eventmanager.py appends a Client object to the clients list for each unique uuid submitted to the authenticated getEvents API endpoint, but getevents does not...

CVE-2026-48987 pyLoad: Unbounded Memory Growth Leading to DoS and Potential DDoS in EventManager

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev101, EventManager in src/pyload/core/managers/eventmanager.py appends a Client object to the clients list for each unique uuid submitted to the authenticated getEvents API endpoint, but getevents does not...

EUVD-2026-78594

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev101, EventManager in src/pyload/core/managers/eventmanager.py appends a Client object to the clients list for each unique uuid submitted to the authenticated getEvents API endpoint, but getevents does not...

CVE-2026-48987

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev101, EventManager in src/pyload/core/managers/eventmanager.py appends a Client object to the clients list for each unique uuid submitted to the authenticated getEvents API endpoint, but getevents does not...

CVE-2026-48987 pyLoad: Unbounded Memory Growth Leading to DoS and Potential DDoS in EventManager

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev101, EventManager in src/pyload/core/managers/eventmanager.py appends a Client object to the clients list for each unique uuid submitted to the authenticated getEvents API endpoint, but getevents does not...

CVE-2026-48987 pyLoad: Unbounded Memory Growth Leading to DoS and Potential DDoS in EventManager

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev101, EventManager in src/pyload/core/managers/eventmanager.py appends a Client object to the clients list for each unique uuid submitted to the authenticated getEvents API endpoint, but getevents does not...

CVE-2026-48987

pyLoad , a free and open-source Python download manager, is affected by unbounded memory growth in its EventManager module (src/pyload/core/managers/event_manager.py). Each unique UUID submitted to the authenticated getEvents API endpoint appends a Client object to an internal list, but the avail...

CVE-2026-48737 pyLoad: SSRF guard bypass via IPv6 6to4/NAT64 transition wrappers of internal IPs

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev101, isglobaladdress in src/pyload/core/utils/web/check.py relies on Python's global-address classification without examining IPv4 destinations embedded in 6to4 or NAT64 IPv6 addresses. A low-privileged user...

CVE-2026-48737

pyLoad (pyload-ng), a Python-based open-source download manager, has an SSRF guard bypass (CWE-918) in its is_global_address function. The guard relies on Python's ipaddress.IPv6Address.is_global, which classifies 6to4 (2002::/16) and NAT64 (64:ff9b::/96) transition prefixes as globally routable ...

CVE-2026-48737 pyLoad: SSRF guard bypass via IPv6 6to4/NAT64 transition wrappers of internal IPs

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev101, isglobaladdress in src/pyload/core/utils/web/check.py relies on Python's global-address classification without examining IPv4 destinations embedded in 6to4 or NAT64 IPv6 addresses. A low-privileged user...