Vulnerability in Easybyte Software Konga

CVE-2026-45221

Konga before 2.1.0 contains a privilege escalation vulnerability that allows low-privileged local attackers to execute arbitrary code by planting attacker-controlled OpenSSL configuration or library files in a hardcoded filesystem path absent from default installations. On Windows, the missing directory resides in a location writable by any authenticated local user, enabling attackers to create the directory and place malicious files that execute at the privilege level of the user or service account that launches Konga, facilitating privilege escalation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-45221?
CVE-2026-45221 is a high-severity vulnerability in Easybyte Software Konga, classified under Uncontrolled Search Path Element. CVSS score: 7.8/10. Published 2026-09-01.
How severe is CVE-2026-45221?
High severity. CVSS v3 base score is 7.8 out of 10.