CSRF in Locustio Locust
CVE-2026-111883
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.
Vulnerability class: CSRF (Cross-Site Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/locustio/locust/issues/3566 (issue-tracking)
- github.com/locustio/locust/commit/3a1d0caa5bde59494ede55f513fcb4becbf406a0 (patch)
- github.com/locustio/locust/blob/2.46.7/locust/web.py (technical-description)
- www.vulncheck.com/advisories/locust-through-2.46.7-csrf-via-web-ui-stop-and-sta… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-111883?
- CVE-2026-111883 is a medium-severity vulnerability in Locustio Locust, classified under Cross-Site Request Forgery (CSRF). CVSS score: 5.4/10. Published 2026-10-19.
- How severe is CVE-2026-111883?
- Medium severity. CVSS v3 base score is 5.4 out of 10.