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Vulnerability details: VCID-ydrw-nwxu-6kc8
Vulnerability ID VCID-ydrw-nwxu-6kc8
Aliases CVE-2026-45058
GHSA-jgg9-rw32-44pj
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (6)
CWE-94 Improper Control of Generation of Code ('Code Injection')
CWE-345 Insufficient Verification of Data Authenticity
CWE-494 Download of Code Without Integrity Check
CWE-915 Improperly Controlled Modification of Dynamically-Determined Object Attributes
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.00047 https://api.first.org/data/v1/epss?cve=CVE-2026-45058
epss 0.00047 https://api.first.org/data/v1/epss?cve=CVE-2026-45058
epss 0.00047 https://api.first.org/data/v1/epss?cve=CVE-2026-45058
cvssv3.1_qr CRITICAL https://github.com/advisories/GHSA-jgg9-rw32-44pj
cvssv4 9.4 https://github.com/electerm/electerm
generic_textual CRITICAL https://github.com/electerm/electerm
cvssv3.1_qr CRITICAL https://github.com/electerm/electerm/security/advisories/GHSA-jgg9-rw32-44pj
cvssv4 9.4 https://github.com/electerm/electerm/security/advisories/GHSA-jgg9-rw32-44pj
generic_textual CRITICAL https://github.com/electerm/electerm/security/advisories/GHSA-jgg9-rw32-44pj
ssvc Track https://github.com/electerm/electerm/security/advisories/GHSA-jgg9-rw32-44pj
cvssv4 9.4 https://nvd.nist.gov/vuln/detail/CVE-2026-45058
generic_textual CRITICAL https://nvd.nist.gov/vuln/detail/CVE-2026-45058
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2026-45058
https://github.com/electerm/electerm
https://nvd.nist.gov/vuln/detail/CVE-2026-45058
GHSA-jgg9-rw32-44pj https://github.com/advisories/GHSA-jgg9-rw32-44pj
GHSA-jgg9-rw32-44pj https://github.com/electerm/electerm/security/advisories/GHSA-jgg9-rw32-44pj
No exploits are available.
Vector: 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 Found at https://github.com/electerm/electerm
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

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low

none
Vector: 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 Found at https://github.com/electerm/electerm/security/advisories/GHSA-jgg9-rw32-44pj
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2026-05-30T02:03:52Z/ Found at https://github.com/electerm/electerm/security/advisories/GHSA-jgg9-rw32-44pj
Vector: 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 Found at https://nvd.nist.gov/vuln/detail/CVE-2026-45058
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.14894
EPSS Score 0.00047
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T16:44:04.073887+00:00 Vulnrichment Import https://github.com/cisagov/vulnrichment/blob/develop/2026/45xxx/CVE-2026-45058.json 38.6.0