CVE-2026-111883: CSRF (CVSS 5.4)

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.

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CVSS v3.1 Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L

EPSS — Exploit Prediction

0.0019

Probability of exploitation

0.09%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-352 Cross-Site Request Forgery

References

Other 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

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 5.4 (MEDIUM).

How severe is CVE-2026-111883? +

CVE-2026-111883 has a CVSS v3.1 score of 5.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0019, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-111883? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2026-111883