open-webui v0.6.33 is vulnerable to Incorrect Access Control. The API /api/tasks/stop/ directly accesses and cancels tasks without verifying user ownership, enabling attackers (a normal user) to stop arbitrary LLM response tasks.
{
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/63xxx/CVE-2025-63681.json",
"cna_assigner": "mitre"
}