gcdRadar
archive/Patch now/AIR-2023-0084
closedclosed 21 Aug 2023Patch now2 Disclosed vulnerabilityAI

CVE-2023-38976: Weaviate Denial of Service Vulnerability

Weaviate

A remote denial of service vulnerability exists in Weaviate vector database via the GraphQL request handler. The issue was addressed in a software update.

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
0.02 · top 18% · 2026-11-13
fix status
Fix status unknown
first report
21 Aug 2023
last update
21 Aug 2023

Timeline · 1

  1. 21 Aug 2023CVE-2023-38976: An issue in weaviate v.1.20.0 allows a remote attacker to cause a denial of service via the handleUnbatchedGraphQLRequest…

Sources · 1

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

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
dates
happened 21 Aug 2023 · first reported 21 Aug 2023
origin
NVD
Vulnerability 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 10:04Z · updated 2026-10-18 10:04Z

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-2023-38976: Weaviate Denial of Service Vulnerability

https://gcdradar.vercel.app/incidents/cve-2023-38976-weaviate-denial-of-service-vulnerability · AIR-2023-0084 · closed 2023-08-21

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2023-08-21
- AI role: Attack on AI
- Products: Weaviate
- CVE ids: CVE-2023-38976
- CVSS: 7.5

## Summary

A remote denial of service vulnerability exists in Weaviate vector database via the GraphQL request handler. The issue was addressed in a software update.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2023-08-21: CVE-2023-38976: An issue in weaviate v.1.20.0 allows a remote attacker to cause a denial of service via the handleUnbatchedGraphQLRequest… (https://nvd.nist.gov/vuln/detail/CVE-2023-38976)

## Sources

- 2023-08-21 NVD: CVE-2023-38976: An issue in weaviate v.1.20.0 allows a remote attacker to cause a denial of service via the handleUnbatchedGraphQLRequest… https://nvd.nist.gov/vuln/detail/CVE-2023-38976

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.

Related

  1. closed4.8
    Gradio CVE-2023-41626: Arbitrary file upload vulnerability in Gradio upload interface

    Patch now · Disclosed · since 15 Sep 2023 · CVE-2023-41626

    AI
  2. closed9.8
    LangChain family CVE-2023-39631: LangChain arbitrary code execution via numexpr

    Patch now · Disclosed · since 1 Sep 2023 · CVE-2023-39631

    AI
  3. closed7.5
    Qdrant CVE-2023-38975: Qdrant Buffer Overflow Vulnerability

    Patch now · Disclosed · since 29 Aug 2023 · CVE-2023-38975

    AI
  4. closed9.8
    LangChain family CVE-2023-36281: LangChain arbitrary code execution vulnerability

    Patch now · Disclosed · since 22 Aug 2023 · CVE-2023-36281

    AI
  5. closed9.8
    LangChain family CVE-2023-38860: LangChain arbitrary code execution vulnerability

    Patch now · Disclosed · since 15 Aug 2023 · CVE-2023-38860

    AI
  6. closed9.8
    LlamaIndex CVE-2023-39662: llama-index vulnerable to arbitrary code execution

    Patch now · Disclosed · since 15 Aug 2023 · CVE-2023-39662

    AI