All vulnerabilities

Servers and applications

CVE-2025-48956

vLLM is an inference and serving engine for large language models (LLMs). From 0.1.0 to before 0.10.1.1, a Denial of Service (DoS) vulnerability can be triggered by sending a single HTTP GET request with an extremely large header to an HTTP endpoint. This results in server memory exhaustion, potentially leading to a crash or unresponsiveness. The attack does not require authentication, making it…

Severity
High 7.5
Published
21 Aug 2025
Last changed
17 Jun 2026
Added to UpHeron
3 Nov 2026
Fixed in
0.10.1.1
Sources
NVD

Affected software

SoftwareAffected versions
vLLMServers and applications · cpe:a:vllm:vllm
  • From 0.1.0 before 0.10.1.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2025-48956
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2025-48956