Is CVE-2026-34393 actively exploited?

CVE-2026-34393 has no public evidence of in-the-wild exploitation as of 2026-04-21.

What is the CVSS score for CVE-2026-34393?

CVE-2026-34393 has a CVSS score of 8.8 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2026-34393?

Patch guidance is available from weblate security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-34393.

Fix CVE-2026-34393 - HIGH weblate weblate

Description

Weblate is a web based localization tool. In versions prior to 5.17, the user patching API endpoint didn't properly limit the scope of edits. This issue has been fixed in version 5.17.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: low
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-269 · Improper Privilege Management

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-2026-34393

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary