What is CVE-2025-66507?

CVE-2025-66507 is a high-severity vulnerability in 1panel-dev 1panel, classified under Authentication Bypass by Spoofing. CVSS score: 7.5/10. Published 2025-12-09.

How severe is CVE-2025-66507?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in 1panel-dev 1panel

CVE-2025-66507

1Panel is an open-source, web-based control panel for Linux server management. Versions 2.0.13 and below allow an unauthenticated attacker to disable CAPTCHA verification by abusing a client-controlled parameter. Because the server previou…

EPSS: 0.004 (32.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

1panel-dev 1panel — versions < 2.0.14
Fit2cloud 1panel

Weakness classification (CWE)

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2025-66507?: CVE-2025-66507 is a high-severity vulnerability in 1panel-dev 1panel, classified under Authentication Bypass by Spoofing. CVSS score: 7.5/10. Published 2025-12-09.
How severe is CVE-2025-66507?: High severity. CVSS v3 base score is 7.5 out of 10.