CVE-2026-34514

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This could lead to unexpected behavior or bypass certain security measures within applications utilizing the framework."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2026-34514", "package_state": [{"cpe": "cpe:/a:redhat:lightspeed_core", "fix_state": "Fix deferred", "package_name": "lightspeed-core/lightspeed-stack-rhel9", "product_name": "Lightspeed Core"}, {"cpe": "cpe:/a:redhat:lightspeed_core", "fix_state": "Fix deferred", "package_name": "lightspeed-core/rag-tool-rhel9", "product_name": "Lightspeed Core"}, {"cpe": "cpe:/a:redhat:openshift_lightspeed", "fix_state": "Fix deferred", "package_name": "openshift-lightspeed/lightspeed-ocp-rag-rhel9", "product_name": "OpenShift Lightspeed"}, {"cpe": "cpe:/a:redhat:openshift_lightspeed", 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"cpe:/a:redhat:openshift_ai", "fix_state": "Fix deferred", "package_name": "rhoai/odh-workbench-jupyter-tensorflow-cuda-py312-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Fix deferred", "package_name": "rhoai/odh-workbench-jupyter-tensorflow-rocm-py312-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Fix deferred", "package_name": "rhoai/odh-workbench-jupyter-trustyai-cpu-py312-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Fix deferred", "package_name": "satellite/iop-insights-engine-rhel9", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Fix deferred", "package_name": "satellite/iop-vulnerability-engine-rhel9", "product_name": "Red Hat Satellite 6"}], "public_date": "2026-04-01T20:09:50Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-34514\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-34514\nhttps://github.com/aio-libs/aiohttp/commit/9a6ada97e2c6cf1ce31727c6c9fcea17c21f6f06\nhttps://github.com/aio-libs/aiohttp/releases/tag/v3.13.4\nhttps://github.com/aio-libs/aiohttp/security/advisories/GHSA-2vrm-gr82-f7m5"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,3.13.4)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "product": "aiohttp", "vendor": "aio-libs"}], "analysis": {"en": {"generated_at": "2026-04-02T02:25:09.847091+00:00", "value": {"mitigation_remediation": ["Upgrade aiohttp to version 3.13.4 or later.", "Check that all dependent packages are updated to compatible, non\u2011vulnerable versions.", "If an upgrade cannot be performed immediately, restrict or sanitize external clients from setting the content_type parameter and validate or encode the value before use."], "summary": {"action": "Apply Patch", "impact": "Header Injection"}, "threat_synthesis": {"affected_systems": "The affected product is aio-libs aiohttp. All releases before version 3.13.4 contain the flaw; upgrading to 3.13.4 or a newer release fixes the issue.", "description_and_impact": "The vulnerability stems from insufficient sanitization of the content_type parameter when aiohttp constructs multipart part content type headers. An attacker who can control this value can inject CRLF sequences, enabling the addition of arbitrary HTTP headers to the response. This header injection could alter response behavior or support further attacks, though it does not grant direct code execution. The weakness aligns with CWE\u2011113 and CWE\u201193, which describe header injection and the use of untrusted data in render contexts.", "risk_and_exploitability": "The CVSS score of 2.7 indicates low severity, and the vulnerability is not listed in the KEV catalog. EPSS data is unavailable, suggesting limited widespread exploitation. The likely attack vector is remote: an adversary who can supply or influence the content_type parameter in multipart requests can exploit the flaw. Successful exploitation requires such control; otherwise the risk remains low but non\u2011negligible."}}}}, "created": "2026-04-02T07:47:50.923074+00:00", "updated": "2026-04-02T20:16:44.538112+00:00", "vendors": ["aio-libs", "aio-libs$PRODUCT$aiohttp"]}