CVE-2024-7983: Open WebUI Denial of Service via Markdown Endpoint
Open WebUI
An unauthenticated markdown-to-HTML conversion endpoint in Open WebUI can be abused with crafted payloads to cause high resource consumption and denial of service. The application becomes unresponsive until parsing completes.
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
- CVSS
- 7.5
- EPSS
- 0.01 · top 41% · 2026-11-13
- fix status
- Fix status unknown
- first report
- 20 Mar 2025
- last update
- 20 Mar 2025
- CVE ids
Timeline · 1
Sources · 1
Advisories and databases
- 2025-03-20CVE-2024-7983: Open WebUI denial of service through endpoint for converting markdownGitHub Advisory Database · github.com/advisories/GHSA-5v9m-57mq-qc75
Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.
Classification
- lane
- Patch now
- AI role
- Attack on AI
- categories
- Infrastructure vulnerability
- severity
- 2 · Disclosed vulnerability
- fix status
- Fix status unknown
- targets
- Framework / tooling
- owasp llm top 10
- LLM03:2025 Supply Chain
- mitre atlas
- no technique for these categories
- tags
- open-webuidos
- dates
- happened 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.
- record
- confidence 0.95 · created 2026-10-18 07:00Z · updated 2026-10-18 07:00Z
Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned
Copy a brief
This record as a short Markdown brief, for a ticket, a chat or a coding agent.
the brief as text
# CVE-2024-7983: Open WebUI Denial of Service via Markdown Endpoint https://gcdradar.vercel.app/incidents/cve-2024-7983-open-webui-denial-of-service-via-markdown-endp · AIR-2025-0252 · closed 2025-03-20 - Lane: Patch now - Severity: 2 (Disclosed vulnerability) - Fix status: Fix status unknown - First reported: 2025-03-20 - AI role: Attack on AI - Products: Open WebUI - CVE ids: CVE-2024-7983 - CVSS: 7.5 ## Summary An unauthenticated markdown-to-HTML conversion endpoint in Open WebUI can be abused with crafted payloads to cause high resource consumption and denial of service. The application becomes unresponsive until parsing completes. ## What to do No action recorded; read the sources below and the vendor's advisory. ## Latest updates - 2025-03-20: CVE-2024-7983: Open WebUI denial of service through endpoint for converting markdown (https://github.com/advisories/GHSA-5v9m-57mq-qc75) ## Sources - 2025-03-20 GitHub Advisory Database: CVE-2024-7983: Open WebUI denial of service through endpoint for converting markdown https://github.com/advisories/GHSA-5v9m-57mq-qc75 Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.
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AI