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MEDIUM severity

Minor fix to previous patch for CVE-2022-35918GHSA-8qw9-gf7w-42x5

MEDIUMFix: streamlit/streamlit@bd0a899

GHSA-8qw9-gf7w-42x5 is a medium-severity (CVSS 5.3) vulnerability in streamlit. A fix is available for streamlit — see the affected versions and patch details below.

Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Jun 30, 2026 · OSV.dev, FIRST.org (EPSS)

Real-World Exposure

1 pkg affected
🐍streamlit

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

Impact

The initial vulnerability identified in Streamlit apps using custom components, allowing for directory traversal attacks, was addressed in version 1.11.1. However, a minor issue persisted, which could still potentially expose certain files on the server file-system under specific conditions.

Patches

We released an update in version 1.30.0 to further tighten security measures. Users are strongly advised to update to version 1.30.0 immediately for optimal security.

Workarounds

No additional workarounds are necessary once the update to version 1.30.0 is applied.

For more information

If you have any questions or comments about this advisory:

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐍PyPIstreamlit≥ 0.63.0&&< 1.30.01.30.0pip install --upgrade 'streamlit==1.30.0'

Detection & mitigation playbook

Open-source dependency

  1. Detect

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

  2. Fix

    Update streamlit to 1.30.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-8qw9-gf7w-42x5 is resolved across your whole dependency graph.

  3. Workarounds

    Resolve every user-supplied path to its canonical form and reject anything that escapes the intended directory, and run the component under an account that has no read or write access outside the directory it legitimately serves.

Frequently Asked Questions

### Impact The initial vulnerability identified in Streamlit apps using custom components, allowing for directory traversal attacks, was addressed in version 1.11.1. However, a minor issue persisted, which could still potentially expose certain files on the server file-system under specific conditions. ### Patches We released an update in version 1.30.0 to further tighten security measures. Users are strongly advised to update to version 1.30.0 immediately for optimal security. ### Workarounds No additional workarounds are necessary once the update to version 1.30.0 is applied. ### For m
O3 Security · Impact-Aware SCA

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Minor fix to previous patch for CVE-2022-35918