CVE-2026-12200

HIGH

CVSS v3.1: 7.3

NetworkNo privilegesNo user interactionMemory CorruptionStack Overflow

Source data as of:

At a glance

Severity
HIGH
CVSS
7.3 v3.1 · NVD
EPSS
EPSS not provided by FIRST.org for this CVE
CISA KEV
No
Type
Memory Corruption, Stack Overflow · NVD CWE
Attack conditions (CVSS vector)
NetworkNo privilegesNo user interaction · Source: NVD Vector
Published
2026-06-15 · Modified: 2026-06-15

CVSS / EPSS / KEV

CVSS v3.1 7.3 / 10 HIGH Source: NVD
CVSS v4.0 5.5 / 10 MEDIUM Source: NVD
EPSS EPSS not provided by FIRST.org for this CVE Source: FIRST.org
CISA KEV No Source: CISA

Source — CVSS: NVD · EPSS: FIRST.org · KEV: CISA. Data & Sources

Description

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 leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Record details

CVE ID
CVE-2026-12200
CVSS (v3.1)
7.3 (HIGH)
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Exploitability subscore
3.9
Impact subscore
3.4
CISA KEV
No
Weakness (CWE)
CWE-119, CWE-121
Affected configurations (CPE)
0
Published
2026-06-15
Modified
2026-06-15
Status
Received

References

Reference URLs as listed by NVD, grouped by a mechanical match on the link's host/pattern. Labels describe the link type only.