CVE-2026-111883: Locust through 2.46.7 CSRF via Web UI /stop and /stats/reset
Advisory generated from the CVE record, CISA, Exploit Observer and VEDAS: what it is, whether it is exploited, who is affected, and how to fix and detect it.
Generated by VEDAS. Scores as of 2026-11-11 15:49 UTC. Rebuilt every few hours from cve-scores, CISA KEV and vedas-signatures. How this works and its limits.
What it is
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.
Description quoted from the CVE record (assigned by VulnCheck, published 2026-10-19).
Weakness: Cross-Site Request Forgery (CSRF)
How it can be exploited
Exploitable over the network with low attack complexity with no special attack requirements needing no privileges and a user must take an action. Impact: confidentiality none, integrity low, availability low. 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
CISA assessment (SSVC): CISA assesses that a public proof of concept exists. Automatable: no. Technical impact: partial.
Public exploit evidence (Exploit Observer)
Exploit Observer found 3 code repositories naming this CVE.
Code repositories that name a CVE are often scanners, copies or fakes, and some are malware. Read the code before running anything.
See all 6 references on Exploit Observer
Live scores
- EPSS
- 0.002
low predicted chance of attack - VEDAS
- 0.985
strong exploit evidence - On CISA KEV
- Not listed
- Detection rule
- Suricata
Who is affected
| Product | Affected | Not affected |
|---|---|---|
| locustio locust | up to and including 2.46.7 | Not stated |
Version ranges exactly as the CVE record states them. “Before X” means X is the first fixed version.
How to fix it
Vendor guidance:
How to detect it
Suricata rules (network detection)
2 rules that alert on traffic matching this exploit: VEDAS CVE-2026-111883 Locust - CSRF Load Test Stop via GET /stop. Add them to your Suricata rule set and reload.
Show the rules
alert http $EXTERNAL_NET any -> $HTTP_SERVERS $HTTP_PORTS (msg:"VEDAS CVE-2026-111883 Locust - CSRF Load Test Stop via GET /stop"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/stop"; nocase; fast_pattern; pcre:"/^\/stop(?:\?|$)/"; classtype:web-application-attack; reference:cve,CVE-2026-111883; reference:url,https://www.exploit.observer/?keyword=CVE-2026-111883&match=exact; reference:url,https://subdomain.center/?engine=ammonites&keyword=locust&match=exact; sid:1085405; rev:1;)
alert http $EXTERNAL_NET any -> $HTTP_SERVERS $HTTP_PORTS (msg:"VEDAS CVE-2026-111883 Locust - CSRF Statistics Reset via GET /stats/reset"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/stats/reset"; nocase; fast_pattern; pcre:"/^\/stats\/reset(?:\?|$)/"; classtype:web-application-attack; reference:cve,CVE-2026-111883; reference:url,https://www.exploit.observer/?keyword=CVE-2026-111883&match=exact; reference:url,https://subdomain.center/?engine=ammonites&keyword=locust&match=exact; sid:1085406; rev:1;)
CVE-2026-111883.rules on GitHub
References
Vendor advisories and patches
Technical analysis and advisories
- https://github.com/locustio/locust/issues/3566 (issue-tracking)
- https://github.com/locustio/locust/blob/2.46.7/locust/web.py (technical-description)
- VulnCheck Advisory: Locust through 2.46.7 CSRF via Web UI /stop and /stats/reset (third-party-advisory)
Other databases
Where this comes from
This advisory is generated automatically by VEDAS from: CVE.org record, cve-scores (EPSS and VEDAS), Exploit Observer, vedas-signatures. Text in quotes is reproduced from the source; everything else is a fixed template filled with source fields. Nothing here is written by a language model. Check the vendor advisory before acting, and read how VEDAS and Exploit Observer work, and their limits.
Supporting partners
