CVE-2026-41500
CVE-2026-41500 is a critical-severity vulnerability in Electerm Project Electerm with a CVSS 3.x base score of 9.8. 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-77.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 2% (75th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-28496
- Weakness: CWE-77
- Affected product: Electerm Project Electerm
- Published:
- Last modified:
Description
electerm is an open-sourced terminal/ssh/sftp/telnet/serialport/RDP/VNC/Spice/ftp client. Prior to version 3.3.8, a command injection vulnerability exists in github.com/elcterm/electerm/npm/install.js:150. The runMac() function appends attacker-controlled remote releaseInfo.name directly into an exec("open ...") command without validation. This issue has been patched in version 3.3.8.
Frequently asked questions
- What is CVE-2026-41500?
- electerm is an open-sourced terminal/ssh/sftp/telnet/serialport/RDP/VNC/Spice/ftp client. Prior to version 3.3.8, a command injection vulnerability exists in github.com/elcterm/electerm/npm/install.js:150. The runMac() function appends attacker-controlled remote releaseInfo.name directly into an exec("open ...") command without validation. This issue has been patched in version 3.3.8.
- How severe is CVE-2026-41500?
- CVE-2026-41500 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-41500 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-41500?
- CVE-2026-41500 affects Electerm Project Electerm. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-41500?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2026-41500 have an EU (EUVD) identifier?
- Yes. CVE-2026-41500 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28496.
- When was CVE-2026-41500 published?
- CVE-2026-41500 was published on 2026-05-08 and last updated on 2026-06-17.
References
- https://github.com/electerm/electerm/commit/59708b38c8a52f5db59d7d4eff98e31d573128ee
- https://github.com/electerm/electerm/releases/tag/v3.3.8
- https://github.com/electerm/electerm/security/advisories/GHSA-wxw2-rwmh-vr8f
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-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…
- CVE-2026-43940 — High (CVSS 8.4): electerm is an open-sourced terminal/ssh/sftp/telnet/serialport/RDP/VNC/Spice/ftp client. Prior to version 3.7.16, the…
All CVEs affecting Electerm Project Electerm →
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