Is CVE-2026-2967 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2026-2967, but active exploitation has not been confirmed.

Can CVE-2026-2967 be exploited remotely?

Yes. CVE-2026-2967 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-2967?

CVE-2026-2967 has a CVSS score of 3.7 (LOW) and an EPSS exploitation probability of 0.13%.

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LOWPOC

CVE-2026-2967

CWE-940Published: February 23, 2026· Updated: Feb 23, 2026

3.7

CVSS v3.1

EPSS:0.13%probability of exploitation in 30 daysPercentile:32.6th

Official 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.

NVD Source

Technical Analysis

CVE-2026-2967 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A proof-of-concept (PoC) exploit exists for CVE-2026-2967. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.