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Critical 9.4Published May 28, 2026

CVE-2026-45058electerm: Import unsafe bookmark data could lead to unsafe operation when click local type bookmark

Updated under an hour ago ()

Does this affect you?

It affects electerm. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

electerm is an open-sourced terminal/ssh/sftp/telnet/serialport/RDP/VNC/Spice/ftp client. In 3.8.8 and earlier, there is persistent local-pty code execution via imported bookmarks or compromised sync targets. Affects users who import bookmark JSON files or who have electerm sync configured (gist/WebDAV). The attacker can inject exec* fields or global config to cause remote code to run when a bookmark is opened or when sync is applied.

CVSS
9.4 CRITICAL (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Weakness (CWE)
CWE-94, CWE-345, CWE-494, CWE-915
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
GitHub_M
NVD analysis
Deferred
Record last updated
May 29, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
electerm electerm
electerm:electerm (from the name)
through 3.8.8
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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