What is CVE-2026-45787?

CVE-2026-45787 is a critical-severity vulnerability in Electerm, classified under Inadequate Encryption Strength. CVSS score: 9.1/10. Published 2026-05-28.

How severe is CVE-2026-45787?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Vulnerability in Electerm

CVE-2026-45787

electerm is an open-sourced terminal/ssh/sftp/telnet/serialport/RDP/VNC/Spice/ftp client. Prior to 3.9.5, deterministic AES-192-CBC with a fixed zero IV, constant KDF salt, and no MAC leads to confidentiality and integrity failures for syn…

EPSS: 0.000 (0.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Electerm — versions < 3.9.5
Electerm_project Electerm

Weakness classification (CWE)

References

security-advisories@github.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)

Frequently asked questions

What is CVE-2026-45787?: CVE-2026-45787 is a critical-severity vulnerability in Electerm, classified under Inadequate Encryption Strength. CVSS score: 9.1/10. Published 2026-05-28.
How severe is CVE-2026-45787?: Critical severity. CVSS v3 base score is 9.1 out of 10.