Home/CVE/Weblate is a web based localization tool. In versions prior to 5.17, the webhook add-on did not utilize existing SSRF pr
CVE

CVE-2026-39845

Weblate is a web based localization tool. In versions prior to 5.17, the webhook add-on did not utilize existing SSRF pr

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.

MEDIUM · CVSS 4.1 EPSS 0.0001
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-918Server-Side Request Forgery (SSRF)
▤

Affected Products & Versions

1
weblate< 5.17
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
PyPI weblate MODERATE fixed in 5.17
▣

Scoring & Timeline

4.1
MEDIUM · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD15 Apr 2026 · 07:16 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/WeblateOrg/weblate/pull/18815Issue TrackingPatch
https://github.com/WeblateOrg/weblate/security/advisories/GHSA-f8hv-g549-hwg2Third Party Advisory
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