QwikSec

Security Database

CVE

CWE

Training

CVE Database
/

CVE-2026-2967

Back to search

CVE-2026-2967

Published: Feb 23, 2026

Modified: Feb 23, 2026

PUBLISHED

CVSS v3.1

3.7

LOW

Description

A security vulnerability has been detected in Cesanta Mongoose up to 7.20. This affects the function getpeer of the file /src/net_builtin.c of the component TCP Sequence Number Handler. The manipulation leads to improper verification of source of a communication channel. The attack may be initiated remotely. The attack's complexity is rated as high. The exploitability is reported as difficult. 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.

VendorProductVersions

Cesanta

Mongoose

affected
7.0
affected
7.1
affected
7.2
affected
7.3
affected
7.4

+16 more versions

Weaknesses (CWE)

CWE-940

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

References

VDB-347334 | CTI Indicators (IOB, IOC, IOA)
signature
permissions-required

Security Training

Train your team to recognize and prevent security threats with our comprehensive security awareness program.

Start Training

Vulnerability Scanning

Discover vulnerabilities in your applications and infrastructure before attackers do.

Scan Now