{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-73557","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-08-12T20:53:46.380Z","datePublished":"2026-08-13T15:00:15.746Z","dateUpdated":"2026-08-13T17:52:52.386Z"},"containers":{"cna":{"title":"vLLM: Incomplete CVE-2025-62164 remediation can be bypassed by concurrent prompt parts","problemTypes":[{"descriptions":[{"cweId":"CWE-362","lang":"en","description":"CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')","type":"CWE"}]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":6.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","version":"4.0"}}],"references":[{"name":"https://github.com/vllm-project/vllm/security/advisories/GHSA-pr7f-p5mw-fc87","tags":["x_refsource_CONFIRM"],"url":"https://github.com/vllm-project/vllm/security/advisories/GHSA-pr7f-p5mw-fc87"},{"name":"https://github.com/vllm-project/vllm/pull/48583","tags":["x_refsource_MISC"],"url":"https://github.com/vllm-project/vllm/pull/48583"},{"name":"https://github.com/vllm-project/vllm/commit/793cf79c89d4049124e756915468ac30318f2e50","tags":["x_refsource_MISC"],"url":"https://github.com/vllm-project/vllm/commit/793cf79c89d4049124e756915468ac30318f2e50"},{"name":"https://github.com/vllm-project/vllm/releases/tag/v0.26.0","tags":["x_refsource_MISC"],"url":"https://github.com/vllm-project/vllm/releases/tag/v0.26.0"}],"affected":[{"vendor":"vllm-project","product":"vllm","versions":[{"version":">= 0.20.2rc0, < 0.26.0","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-08-13T15:00:15.746Z"},"descriptions":[{"lang":"en","value":"vLLM is an inference and serving engine for large language models. From 0.20.2rc0 until 0.26.0, safe_load_prompt_embeds in vllm/renderers/embed_utils.py uses torch.sparse.check_sparse_tensor_invariants, whose process-global save, enable, and restore state can be raced by concurrent prompt_embeds parts submitted to POST /v1/chat/completions through AsyncMultiModalItemTracker.resolve_items, asyncio.gather, and the default executor, allowing an invalid sparse tensor to reach tensor.to_dense despite the CVE-2025-62164 guard when enable_prompt_embeds is enabled. This issue is fixed in version 0.26.0."}],"source":{"advisory":"GHSA-pr7f-p5mw-fc87","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-13T17:50:06.312927Z","id":"CVE-2026-73557","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-13T17:52:52.386Z"}}]}}