QwikSec

Security Database

CVE

CWE

Training

CVE Database
/

CVE-2026-2968

Back to search

CVE-2026-2968

Published: Feb 23, 2026

Modified: Feb 23, 2026

PUBLISHED

CVSS v3.1

3.7

LOW

Description

A vulnerability was detected in Cesanta Mongoose up to 7.20. This impacts the function mg_chacha20_poly1305_decrypt of the file /src/tls_chacha20.c of the component Poly1305 Authentication Tag Handler. The manipulation results in improper verification of cryptographic signature. The attack may be launched remotely. This attack is characterized by high complexity. The exploitability is said to be difficult. The exploit is now public 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-347
CWE-345

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

References

VDB-347335 | 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