What is CVE-2026-45353?

CVE-2026-45353 is a high-severity vulnerability in Electerm, classified under Code Injection. CVSS score: 7.8/10. Published 2026-05-28.

How severe is CVE-2026-45353?

High severity. CVSS v3 base score is 7.8 out of 10.

RCE in Electerm

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.

Vulnerability class: RCE (Remote Code Execution)

Published 2026-05-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (5.7th percentile), scored 2026-10-19.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 5.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.001

Affected products

Electerm — versions >= 3.0.6, < 3.89.0
Electerm Project

Weakness classification (CWE)

References

github.com/electerm/electerm/security/advisories/GHSA-7p5m-v798-f8vv (Patch, Vendor Advisory)
github.com/electerm/electerm/commit/0599e67069b00e376a2e962649aaad6096e63507 (Patch)

Frequently asked questions

What is CVE-2026-45353?: CVE-2026-45353 is a high-severity vulnerability in Electerm, classified under Code Injection. CVSS score: 7.8/10. Published 2026-05-28.
How severe is CVE-2026-45353?: High severity. CVSS v3 base score is 7.8 out of 10.