What is CVE-2026-21696?

CVE-2026-21696 is a medium-severity vulnerability in Pterodactyl Wings, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2026-01-19.

How severe is CVE-2026-21696?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Resource exhaustion in Pterodactyl Wings

CVE-2026-21696

Wings is the server control plane for Pterodactyl, a free, open-source game server management panel. Starting in version 1.7.0 and prior to version 1.12.0, Wings does not consider SQLite max parameter limit when processing activity log ent…

Vulnerability class: DoS (Denial of Service)

EPSS: 0.005 (38.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Pterodactyl Wings — versions >= 1.7.0, < 1.12.0

Weakness classification (CWE)

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
security-advisories@github.com (Product, x_refsource_MISC)
security-advisories@github.com (Product, x_refsource_MISC)

Frequently asked questions

What is CVE-2026-21696?: CVE-2026-21696 is a medium-severity vulnerability in Pterodactyl Wings, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2026-01-19.
How severe is CVE-2026-21696?: Medium severity. CVSS v3 base score is 6.5 out of 10.