Medium 4.1Published Apr 15, 2026

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

Updated under an hour ago (Oct 26, 2026, 3:50 PM ET)

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It affects WeblateOrg weblate and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for WeblateOrg weblate

Exploited in the last 30 days

Weblate is a web based localization tool. In versions prior to 5.17, the webhook add-on did not utilize existing SSRF protections. This issue has been fixed in version 5.17. If developers are unable to update immediately, they can disable the webhook add-on as a workaround.

CVSS: 4.1 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N
Weakness (CWE): CWE-918
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitHub_M
NVD analysis: Analyzed
Record last updated: Apr 15, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

WeblateOrg weblate weblateorg:weblate (from the name)	before 5.17	CNA record
weblate weblate weblate:weblate	before 5.17	NVD

References

References

https://github.com/WeblateOrg/weblate/security/advisories/GHSA-f8hv-g549-hwg2	x-refsource-confirm, third-party-advisory
https://github.com/WeblateOrg/weblate/pull/18815	x-refsource-misc, issue-tracking, patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.