How severe is CVE-2026-45353?

CVE-2026-45353 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-45353 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-45353?

CVE-2026-45353 affects Electerm Project Electerm. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-45353?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-45353 have an EU (EUVD) identifier?

Yes. CVE-2026-45353 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-32960.

When was CVE-2026-45353 published?

CVE-2026-45353 was published on 2026-05-28 and last updated on 2026-06-17.

CVE-2026-45353

CVE-2026-45353 is a high-severity vulnerability in Electerm Project Electerm with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v4: 9.3
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-32960
Weakness: CWE-94
Affected product: Electerm Project Electerm
Published: 2026-05-28
Last modified: 2026-06-17

Description

electerm is an open-sourced terminal/ssh/sftp/telnet/serialport/RDP/VNC/Spice/ftp client. From 3.0.6 to 3.8.8, This vulnerability is fixed in 3.9.0.

Frequently asked questions

What is CVE-2026-45353?: electerm is an open-sourced terminal/ssh/sftp/telnet/serialport/RDP/VNC/Spice/ftp client. From 3.0.6 to 3.8.8, This vulnerability is fixed in 3.9.0.
How severe is CVE-2026-45353?: CVE-2026-45353 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-45353 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-45353?: CVE-2026-45353 affects Electerm Project Electerm. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-45353?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-45353 have an EU (EUVD) identifier?: Yes. CVE-2026-45353 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-32960.
When was CVE-2026-45353 published?: CVE-2026-45353 was published on 2026-05-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:electerm_project:electerm:*:*:*:*:*:*:*:*

More vulnerabilities in Electerm Project Electerm

CVE-2026-41501 — Critical (CVSS 9.8): electerm is an open-sourced terminal/ssh/sftp/telnet/serialport/RDP/VNC/Spice/ftp client. Prior to version 3.3.8, a…
CVE-2026-41500 — Critical (CVSS 9.8): electerm is an open-sourced terminal/ssh/sftp/telnet/serialport/RDP/VNC/Spice/ftp client. Prior to version 3.3.8, a…
CVE-2020-23256 — Critical (CVSS 9.8): An issue was discovered in Electerm 1.3.22, allows attackers to execute arbitrary code via unverified request to…
CVE-2026-43944 — Critical (CVSS 9.6): electerm is an open-sourced terminal/ssh/sftp/telnet/serialport/RDP/VNC/Spice/ftp client. From versions 3.0.6 to before…
CVE-2026-43941 — Critical (CVSS 9.6): electerm is an open-sourced terminal/ssh/sftp/telnet/serialport/RDP/VNC/Spice/ftp client. In versions 3.8.15 and prior,…
CVE-2026-45787 — Critical (CVSS 9.1): electerm is an open-sourced terminal/ssh/sftp/telnet/serialport/RDP/VNC/Spice/ftp client. Prior to 3.9.5, deterministic…

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