CVE-2026-39845: Weblate: SSRF via the webhook add-on using unprotected fetch_url()

April 16, 2026

The webhook add-on did not utilize existing SSRF protection.

References

github.com/WeblateOrg/weblate
github.com/WeblateOrg/weblate/pull/18815
github.com/WeblateOrg/weblate/security/advisories/GHSA-f8hv-g549-hwg2
github.com/advisories/GHSA-f8hv-g549-hwg2
nvd.nist.gov/vuln/detail/CVE-2026-39845

Code Behaviors & Features

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