CVE-2026-34242: Weblate: Arbitrary File Read via Symlink

Severity: high (CVSS 7.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-15 · updated 2026-10-26
Weakness: CWE-22

Description

Weblate is a web based localization tool. In versions prior to 5.17, the ZIP download feature didn't verify downloaded files, potentially following symlinks outside the repository. This issue has been fixed in version 5.17.

Affected products

WeblateOrg weblate: before 5.17 — fixed in 5.17

How to fix

Upgrade to a fixed version: WeblateOrg weblate 5.17. Check the vendor advisory for mitigations.

References

https://github.com/WeblateOrg/weblate/commit/5db3a2a2e047ecaab627a8731cd744a30b2f51d3
https://github.com/WeblateOrg/weblate/security/advisories/GHSA-hv99-mxm5-q397

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