PatchTheCVECVE-2026-33284: GlobaLeaks is free and open-source whistleblowing software
CVE-2026-33284 is a medium-severity flaw (CVSS 4.3) affecting globaleaks. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 4.3 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.2% (top 90%) |
| CISA exploited list | No |
| Weakness | CWE-20 |
| Published | 2026-03-27 |
| Last modified | 2026-10-26 |
Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-33284?
globaleaks: upgrade to 5.0.89. Exact commands for each OS are on this page.
Is CVE-2026-33284 being exploited?
CVE-2026-33284 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-33284 affect?
CVE-2026-33284 affects globaleaks. Severity is medium (CVSS 4.3). 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 supp
How urgent is CVE-2026-33284?
Priority 23/100. Public exploit reference