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Not in CISA KEV
HIGH severity

Weblate: Arbitrary File Read via SymlinkGHSA-hv99-mxm5-q397

HIGHFix: WeblateOrg/weblate@5db3a2a

GHSA-hv99-mxm5-q397 is a high-severity (CVSS 7.7) Path Traversal vulnerability in weblate. A fix is available for weblate — see the affected versions and patch details below.

Also known asCVE-2026-34242PYSEC-2026-2313
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Nov 9, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

No confirmed exploitation observed yet

  • CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.

Exploitation and automatability from CISA’s SSVC triage for GHSA-hv99-mxm5-q397.

EPSS Exploitation Probability

via FIRST.org ↗
0.5%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs41th percentile — riskier than 41% of all scored CVEsHighest risk
0.00%0.34%0.68%1.03%0.0%0.5%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
🐍weblate

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 ZIP download feature didn't verify downloaded file and it could follow symlinks outside the repository.

Patches

References

Thanks to @DavidCarliez for reporting this vulnerability via GitHub.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐍PyPIweblateall versions5.17pip install --upgrade 'weblate==5.17'

Affected Products

1 product · 1 configurations
Application
weblateweblate
< 5.17
range

Detection & mitigation playbook

Open-source dependency

  1. Detect

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

  2. Fix

    Update weblate to 5.17 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-hv99-mxm5-q397 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 ZIP download feature didn't verify downloaded file and it could follow symlinks outside the repository. ### Patches * https://github.com/WeblateOrg/weblate/pull/18683 ### References Thanks to @DavidCarliez for reporting this vulnerability via GitHub.
O3 Security · Impact-Aware SCA

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Weblate: Arbitrary File Read via Symlink (High 7.7)