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    CVE-2026-33511

    pyLoad is a free and open-source download manager written in Python. From version 0.4.20 to before version 0.5.0b3.dev97, the local_check decorator in pyLoad's ClickNLoad feature can be bypassed by any remote attacker through HTTP Host header spoofing. This allows unauthenticated remote users to access localhost-restricted endpoints, enabling them to inject arbitrary downloads, write files to the storage directory, and execute JavaScript code. This issue has been patched in version 0.5.0b3.dev97.

    Published:Mar 24, 2026
    Last Modified:Mar 27, 2026
    EPS:Mar 24, 2026
    EPSS Score:0.00043
    CVSS Score:9.8

    Affected Products

    Vendor
    Pyload
    Product
    Pyload
    Vendor
    Pyload-ng Project
    Product
    Pyload-ng

    Exploits

    https://github.com/pyload/pyload/security/advisories/GHSA-g5j2-gxqh-x7pwhttps://github.com/pyload/pyload/security/advisories/GHSA-g5j2-gxqh-x7pw

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-45306 (CVSS 6.5) — pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev100, the fix for CVE-…
    CVE-2026-45348 (CVSS 8.7) — pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev100, the packages.js …
    CVE-2026-46561 (CVSS 5) — pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev100, the PREREQFUNCTI…
    CVE-2026-44226 (CVSS 5.3) — pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev100, pyload-ng WebUI …
    CVE-2026-42315 (CVSS 8.1) — pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev100, when passing a f…
    CVE-2026-42314 (CVSS 6.5) — pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev100, package folder n…
    CVE-2026-42312 (CVSS 6.8) — pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev100, the set_config_v…
    CVE-2026-42313 (CVSS 8.3) — pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev100, the set_config_v…
    CVE-2026-41133 (CVSS 8.8) — pyLoad is a free and open-source download manager written in Python. Versions up to and including 0.5.0b3.dev9…
    CVE-2026-40594 (CVSS 4.8) — pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev98, the set_session_c…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High