{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-54232: vLLM:  Dependency Confusion Vulnerability in vLLM Dockerfile","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-54232","status":"final","version":"1","initial_release_date":"2026-06-22T22:16:43.101Z","current_release_date":"2026-06-22T22:16:43.101Z","revision_history":[{"date":"2026-06-22T22:16:43.101Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"vLLM is an inference and serving engine for large language models (LLMs). Prior to 0.22.1, the vLLM Dockerfile is vulnerable to a dependency confusion attack through the flashinfer-jit-cache package. The package is installed from a custom index (flashinfer.ai/whl/) using --extra-index-url, but the package name was not registered on PyPI, and UV_INDEX_STRATEGY=\"unsafe-best-match\" is set globally. An attacker who registers flashinfer-jit-cache on PyPI with version 0.6.11.post2 can execute arbitrary code as root during the Docker build and backdoor every resulting container image, enabling exfiltration of all user prompts, API credentials, and model data from production vLLM deployments This vulnerability is fixed in 0.22.1.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-54232 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-54232"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-54232"},{"category":"external","summary":"https://github.com/vllm-project/vllm/security/advisories/GHSA-jrf6-vqxq-pjv2","url":"https://github.com/vllm-project/vllm/security/advisories/GHSA-jrf6-vqxq-pjv2"}]},"product_tree":{"branches":[{"category":"vendor","name":"vllm-project","branches":[{"category":"product_name","name":"vllm","branches":[{"category":"product_version","name":"< 0.22.1","product":{"name":"vllm-project vllm < 0.22.1","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:vllm-project:vllm:\\<_0.22.1:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-54232","title":"vLLM:  Dependency Confusion Vulnerability in vLLM Dockerfile","notes":[{"category":"description","text":"vLLM is an inference and serving engine for large language models (LLMs). Prior to 0.22.1, the vLLM Dockerfile is vulnerable to a dependency confusion attack through the flashinfer-jit-cache package. The package is installed from a custom index (flashinfer.ai/whl/) using --extra-index-url, but the package name was not registered on PyPI, and UV_INDEX_STRATEGY=\"unsafe-best-match\" is set globally. An attacker who registers flashinfer-jit-cache on PyPI with version 0.6.11.post2 can execute arbitrary code as root during the Docker build and backdoor every resulting container image, enabling exfiltration of all user prompts, API credentials, and model data from production vLLM deployments This vulnerability is fixed in 0.22.1.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1"]},"scores":[{"cvss_v3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH"},"products":["CSAFPID-1"]}],"remediations":[{"category":"none_available","details":"No fixed version is published yet. Monitor the upstream advisory.","product_ids":["CSAFPID-1"]}]}]}