Is CVE-2026-2443 actively exploited?

No active exploitation of CVE-2026-2443 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-2443 be exploited remotely?

Yes. CVE-2026-2443 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-2443?

CVE-2026-2443 has a CVSS score of 5.3 (MEDIUM) and an EPSS exploitation probability of 0.06%.

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MEDIUM

CVE-2026-2443

CWE-125Published: February 13, 2026· Updated: Feb 13, 2026

5.3

CVSS v3.1

EPSS:0.06%probability of exploitation in 30 daysPercentile:18.6th

Official Description

A flaw was identified in libsoup, a widely used HTTP library in GNOME-based systems. When processing specially crafted HTTP Range headers, the library may improperly validate requested byte ranges. In certain build configurations, this could allow a remote attacker to access portions of server memory beyond the intended response. Exploitation requires a vulnerable configuration and access to a server using the embedded SoupServer component.

NVD Source

Technical Analysis

CVE-2026-2443 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.