What is GHSA-f8hv-g549-hwg2?

GHSA-f8hv-g549-hwg2 is a security advisory published by GitHub Security Advisories with Medium severity. Weblate: SSRF via the webhook add-on using unprotected fetch_url()

Which CVE IDs does GHSA-f8hv-g549-hwg2 cover?

GHSA-f8hv-g549-hwg2 covers the following CVE IDs: CVE-2026-39845. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-f8hv-g549-hwg2?

GHSA-f8hv-g549-hwg2 has a CVSS v3 base score of 4.1, published by GitHub Security Advisories.

Which products are affected by GHSA-f8hv-g549-hwg2?

GHSA-f8hv-g549-hwg2 affects 1 product, including: pip/weblate:\u003c 5.17.

GHSA-f8hv-g549-hwg2MediumCVSS 4.1

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

Vendor

GitHub Security Advisories

Published

April 16, 2026

Last Modified

June 8, 2026

🔗 CVE IDs covered (1)

CVE-2026-39845 →

📋 Description

Impact

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

Patches

https://github.com/WeblateOrg/weblate/pull/18815

Workarounds

Disabling the add-on would avoid misusing this.

References

Thanks to @Lihfdgjr for reporting this via GitHub.

🎯 Affected products1

pip/weblate:< 5.17

🔗 References (5)

https://github.com/WeblateOrg/weblate/security/advisories/GHSA-f8hv-g549-hwg2
https://nvd.nist.gov/vuln/detail/CVE-2026-39845
https://github.com/WeblateOrg/weblate/pull/18815
https://github.com/pypa/advisory-database/tree/main/vulns/weblate/PYSEC-2026-156.yaml
https://github.com/advisories/GHSA-f8hv-g549-hwg2