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pyLoad's Session Not Invalidated After Permission ChangesGHSA-fj52-5g4h-gmq8

Fix: pyload/pyload@e95804f

GHSA-fj52-5g4h-gmq8 is a security vulnerability in pyload-ng. The records list no fixed version yet; check the vendor advisory below and apply the mitigations in the meantime.

Published
Updated
Affected
1 pkg
Patched
See advisory
Exploits
None indexed
Exploitation data as of Apr 14, 2026 · OSV.dev, FIRST.org (EPSS)

Real-World Exposure

1 pkg affected
🐍pyload-ng

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects PyPI packages — download data is not available via public APIs for these ecosystems.

Description

Summary

The pyload application does not properly invalidate or modify sessions upon changes made to a user's permissions.

Details

Whenever an administrator changes the permissions a specific account has, they do not expect that account still being able to access data that their new permissions do not allow. This is not the case for the pyload application, as a user with a valid session can still perform the actions.

PoC

Take a user with all the permissions, as shown below. image

We now log in as this user. image

Let us now take away all the permissions. image

The logged in session can still be used to access everything in the application. image

Impact

Should permissions be taken away, then the user is expected not to be able to execute the actions belonging to those actions anymore.

Affected Packages

1 total
EcosystemPackageVulnerable rangeFix
🐍PyPIpyload-ngall versionsNo fix

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for pyload-ng, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Remediation status

    The records we use list no patched version of pyload-ng for GHSA-fj52-5g4h-gmq8. Check the maintainer's advisory, and where your build allows, override or pin the dependency away from the vulnerable range.

  3. Mitigate without a patch

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

### Summary The `pyload` application does not properly invalidate or modify sessions upon changes made to a user's permissions. ### Details Whenever an administrator changes the permissions a specific account has, they do not expect that account still being able to access data that their new permissions do not allow. This is not the case for the `pyload` application, as a user with a valid session can still perform the actions. ### PoC Take a user with all the permissions, as shown below. ![image](https://user-images.githubusercontent.com/44903767/294956335-0e4da84f-bf9a-42c8-87f1-f5ff35967c
O3 Security · Impact-Aware SCA

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pyLoad's Session Not Invalidated After Permission Changes