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

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-19 · updated 2026-10-22
Weakness: CWE-352

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.

Affected products

locustio locust: through 2.46.7

References

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

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