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CVE-2026-43944

Electerm code injection

9.6 CRITICALEPSS 0.65%
  1. Published8 May 2026

Description

electerm is an open-sourced terminal/ssh/sftp/telnet/serialport/RDP/VNC/Spice/ftp client. From versions 3.0.6 to before 3.8.15, electerm is vulnerable to arbitrary local code execution via deep links, CLI --opts, or crafted shortcuts. Exploit requires clicking a crafted electerm://... link or opening a crafted shortcut/command that launches electerm with attacker-controlled opts. This issue has been patched in version 3.8.15.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Affected products

Electerm≥ 3.0.6 < 3.8.15

Remediation

Fixed in
Electerm≥ 3.8.15

References

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Frequently asked

Is CVE-2026-43944 being actively exploited?

CVE-2026-43944 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.65%.

How severe is CVE-2026-43944?

CVE-2026-43944 has a CVSS 3.1 base score of 9.6, rated critical. EPSS estimates a 0.65% probability of exploitation.

Which products are affected by CVE-2026-43944?

Affected products include Electerm.

How do I fix CVE-2026-43944?

Upgrade affected software to a fixed version, for example Electerm 3.8.15 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-43944 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.