Is CVE-2026-39845 actively exploited?

CVE-2026-39845 has no public evidence of in-the-wild exploitation as of 2026-04-21.

What is the CVSS score for CVE-2026-39845?

CVE-2026-39845 has a CVSS score of 4.1 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N.

How do I patch CVE-2026-39845?

Patch guidance is available from weblate security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-39845.

CVE-2026-39845 - remediation guidance & executive summary

Description

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 Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N
Attack Vector: network
Complexity: low
Privileges: high
User Action: none
Scope: changed
Confidentiality: low
Integrity: none
Availability: none
Weaknesses: CWE-918 · Server-Side Request Forgery

Metadata

Primary Vendor: WEBLATE
Published: 4/15/2026
Last Modified: 4/21/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2026-39845

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary