CVE-2026-107286

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{"bugzilla": {"description": "pydantic-ai: pydantic-ai: Denial of Service via unreleased concurrency slots in streaming requests", "id": "2548010", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2548010"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-772", "details": ["A flaw was found in pydantic-ai. When processing streamed requests under concurrency limits, shared concurrency slots may fail to release if a stream is interrupted, cancelled, or encounters an exception. A remote caller can exploit this issue by triggering incomplete streaming operations to permanently exhaust available capacity slots. This condition prevents subsequent requests from proceeding, resulting in a Denial of Service (DoS)."], "name": "CVE-2026-107286", "package_state": [{"cpe": "cpe:/a:redhat:lightspeed_core", "fix_state": "Affected", "package_name": "lightspeed-core/lightspeed-stack-rhel9", "product_name": "Lightspeed Core"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:3", "fix_state": "Affected", "package_name": "rhelai3/bootc-cuda-rhel9", "product_name": "Red Hat Enterprise Linux AI (RHEL AI) 3"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:3", "fix_state": "Affected", "package_name": "rhelai3/bootc-gaudi-rhel9", "product_name": "Red Hat Enterprise Linux AI (RHEL AI) 3"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:3", "fix_state": "Affected", "package_name": "rhelai3/bootc-rocm-rhel9", "product_name": "Red Hat Enterprise Linux AI (RHEL AI) 3"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:3", "fix_state": "Affected", "package_name": "rhelai3/disk-image-cuda-rhel9", "product_name": "Red Hat Enterprise Linux AI (RHEL AI) 3"}], "public_date": "2026-10-08T15:12:26Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-107286\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-107286\nhttps://github.com/pydantic/pydantic-ai/commit/453f19feeb7ab1d789f9393b1723c6a73b3d77b2\nhttps://github.com/pydantic/pydantic-ai/pull/9478\nhttps://github.com/pydantic/pydantic-ai/releases/tag/v2.53.0\nhttps://github.com/pydantic/pydantic-ai/security/advisories/GHSA-6fqq-452j-qhrp"], "threat_severity": "Important"}

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