Open WebUI unauthenticated DoS vulnerability
Attack on AI2 Disclosed vulnerabilityInfrastructure vulnerability
An unauthenticated denial of service vulnerability in Open WebUI causes high CPU and memory usage through multipart boundary processing. Attackers can exploit multiple endpoints to trigger server resource exhaustion.
disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why
Details
- type
- Attack on AIAn AI model, agent or AI-powered product was the thing exploited, abused or leaked.
- categories
- Infrastructure vulnerabilityCVEs and advisories in AI frameworks, inference servers, MCP servers, AI developer tools and hosting stacks.
- Infrastructure vulnerability
- owasp llm top 10
- mitre atlas
- no technique for these categoriesBoth rows are derived from the type and categories (OWASP 2025 edition, ATLAS release 2026.09), not classified per record. How
- severity
- 2 · Disclosed vulnerabilityCVE or vendor advisory, patched or patchable, no confirmed exploitation.
- targets
- Framework / tooling
- products
- open-webui
- incident date
- 20 Mar 2025
- first reported
- 20 Mar 2025
- origin
- GitHub Advisory DatabaseVulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
- classifier confidence
- 0.95 · published at or above 0.80; see the methodology
- tags
- ghsa-5ccf-884p-4jjq · denial-of-service
- record
- created 2026-10-18 07:00Z · updated 2026-10-18 10:14Z · json
Sources · 1
- 2025-03-20GHSA-5ccf-884p-4jjq: Open WebUI Unauthenticated Multipart Boundary Denial of Service (DoS) VulnerabilityGitHub Advisory Database · github.com/advisories/GHSA-5ccf-884p-4jjq
Titles and links belong to their publishers. The summary above is written by GCD AI RADAR in its own words; data is CC BY-SA 4.0.
Related incidents
- 2025-03-20Open WebUI vulnerable to denial of service via starlette dependency2 Disclosedon AIInfra vuln1 src
- 2025-03-20CVE-2024-7043: Open WebUI Arbitrary File Access and Deletion Vulnerability2 Disclosedon AIInfra vuln1 src
- 2025-03-20CVE-2024-12537: Open WebUI Uncontrolled Resource Consumption vulnerability2 Disclosedon AIInfra vuln1 src
- 2025-03-20CVE-2024-7053: Open WebUI session fixation vulnerability2 Disclosedon AIInfra vuln1 src
- 2024-10-09CVE-2024-7037: open-webui allows writing and deleting arbitrary files2 Disclosedon AIInfra vuln1 src
- 2024-10-09CVE-2024-7041: open-webui IDOR vulnerability allows editing memories2 Disclosedon AIInfra vuln1 src