CVE-2026-33284

MEDIUM

GlobalLeaks has insufficient URL validation in user support API

Title source: cna

Description

GlobaLeaks is free and open-source whistleblowing software. Prior to version 5.0.89, the /api/support endpoint of GlobaLeaks performs minimal validation on user-submitted support requests. As a result, arbitrary URLs can be included in support emails sent to administrators. Version 5.0.89 patches the issue.

References (1)

[X_Refsource_Confirm] https://github.com/globaleaks/globaleaks-whistleblowing-software/security/advisories/GHSA-84wr-q36q-wqhv

Scores

CVSS v3 4.3

EPSS 0.0011

EPSS Percentile 28.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact partial

Details

CWE

CWE-20

Status published

Products (2)

globaleaks/globaleaks < 5.0.89

globaleaks/globaleaks-whistleblowing-software < 5.0.89

Published Mar 27, 2026

Tracked Since Mar 29, 2026