CVE-2026-33746
Convoy, a KVM server management panel, had a critical flaw where JWT tokens were not properly verified, allowing attackers to forge tokens and impersonate users. The issue existed in versions 3.9.0-beta through 4.5.0 and was fixed in 4.5.1.
An official fix is available, so this entry is kept for 30 days and then removed automatically.
Who is affected
Convoy server management panels version 3.9.0-beta up to 4.5.0 used by hosting businesses.
Real-world impact
An attacker could create a forged JWT token with any user_uuid and gain full access to the system as that user, potentially compromising all hosted servers.
Why this severity
The CVSS score of 9.8 reflects that the vulnerability is exploitable over the network, requires no user interaction, and gives an attacker complete compromise of confidentiality, integrity, and availability.
What to do about it
- 011. Upgrade Convoy to version 4.5.1 or later.
- 022. Restart the Convoy service to apply the update.
NVD-referenced vendor advisory
Timeline
- Apr 2, 2026 · Apr 2, 2026PublishedDisclosed and added to the National Vulnerability Database.
- Jul 24, 2026 · 12d agoAdvisory updatedThe NVD record was last revised.
- Jul 26, 2026 · 10d agoOfficial fix availableA vendor patch or mitigation now exists — see the remediation steps above.
How it’s attacked
References & advisories
- github.com/ConvoyPanel/panel/releases/…release notes
- github.com/ConvoyPanel/panel/security/…vendor advisory