What is CVE-2026-12200?

CVE-2026-12200 is a high-severity vulnerability, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.3/10. Published 2026-06-15.

How severe is CVE-2026-12200?

High severity. CVSS v3 base score is 7.3 out of 10.

CVE-2026-12200

CVE-2026-12200

A security vulnerability has been detected in Ritlabs TinyWeb Server up to 1.94 on Win32. This impacts an unknown function in the library libeay32.dll.html of the component Header Handler. The manipulation of the argument Authorization lea…

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-121 — Stack-based Buffer Overflow

References

cna@vuldb.com
cna@vuldb.com
cna@vuldb.com
cna@vuldb.com
cna@vuldb.com

Frequently asked questions

What is CVE-2026-12200?: CVE-2026-12200 is a high-severity vulnerability, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.3/10. Published 2026-06-15.
How severe is CVE-2026-12200?: High severity. CVSS v3 base score is 7.3 out of 10.