CVE-2026-5713

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{"bugzilla": {"description": "python: Python: Information disclosure and arbitrary code execution via remote debugging with a malicious process.", "id": "2458239", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2458239"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N", "status": "draft"}, "cwe": "CWE-822", "details": ["A flaw was found in Python. A malicious Python process could exploit the \"profiling.sampling\" module and \"asyncio introspection capabilities\" to read and write memory addresses within a privileged process. This vulnerability occurs when the privileged process connects to the malicious process via its remote debugging feature, potentially leading to information disclosure and arbitrary code execution. Successful exploitation requires repeated connections, which may cause instability in the connecting process."], "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-2026-5713", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "python3.12", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "python3.14", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Fix deferred", "package_name": "python", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "python", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "python3", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "python2", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "python3", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "python3.11", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "python3.12", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "python36", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "python36:3.6/python36", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "python38", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "python39", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "python39-devel:3.9/python39", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "python3.11", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "python3.12", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "python3.14", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "python3.9", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:3", "fix_state": "Fix deferred", "package_name": "rhelai3/bootc-aws-cuda-rhel9", "product_name": "Red Hat Enterprise Linux AI (RHEL AI) 3"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:3", "fix_state": "Fix deferred", "package_name": "rhelai3/bootc-azure-cuda-rhel9", "product_name": "Red Hat Enterprise Linux AI (RHEL AI) 3"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:3", "fix_state": "Fix deferred", "package_name": "rhelai3/bootc-azure-rocm-rhel9", "product_name": "Red Hat Enterprise Linux AI (RHEL AI) 3"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:3", "fix_state": "Fix deferred", "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": "Fix deferred", "package_name": "rhelai3/bootc-gcp-cuda-rhel9", "product_name": "Red Hat Enterprise Linux AI (RHEL AI) 3"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:3", "fix_state": "Fix deferred", "package_name": "rhelai3/bootc-rocm-rhel9", "product_name": "Red Hat Enterprise Linux AI (RHEL AI) 3"}], "public_date": "2026-04-14T15:11:51Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-5713\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-5713\nhttps://github.com/python/cpython/issues/148178\nhttps://github.com/python/cpython/pull/148187\nhttps://mail.python.org/archives/list/security-announce@python.org/thread/OG4RHARYSNIE22GGOMVMCRH76L5HKPLM/"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[3.14.0,3.15.0)"}}], "enrichment": {"confidence": 80.0, "confidence_source": "inferred", "scores": [{"score": 80.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "CPython", "source": "cna", "vendor": "Python Software Foundation"}, "product": "cpython", "vendor": "python"}], "analysis": {"en": {"generated_at": "2026-04-15T01:53:30.247894+00:00", "value": {"mitigation_remediation": ["Verify whether the remote debugging feature is enabled in the Python runtime.", "Disable or restrict the remote debugging feature and limit access to the asyncio introspection commands.", "Monitor logs for unauthorized remote debugging activity and ensure only trusted processes connect.", "Plan to upgrade to a CPython release that contains the fix when it becomes available."], "summary": {"action": "Mitigate", "impact": "Remote Read/Write"}, "threat_synthesis": {"affected_systems": "Python CPython 3.15+ for the profiling.sampling module and Python CPython 3.14+ for asyncio introspection commands (python -m asyncio ps and python -m asyncio pstree).", "description_and_impact": "The vulnerability affects Python's profiling.sampling module and asyncio introspection tools, allowing a malicious or infected Python process to perform out-of-bounds read and write operations in a privileged target process that connects via the remote debugging feature. This can lead to leakage of sensitive memory or modification of memory contents, potentially compromising confidentiality or integrity of the privileged process.", "risk_and_exploitability": "The CVSS score of 5.3 indicates moderate severity. Because the exploit requires a persistent remote debugging connection to a privileged process, the attack vector is likely remote or local with privileged access. EPSS data is unavailable, and the vulnerability is not listed in the CISA KEV catalog, so no known active exploitation is documented. The need for repeated connections and the high likelihood of crashing due to ASLR suggests that while exploitation is possible, it may require significant effort and expertise."}}}}, "created": "2026-04-14T16:30:22.334636+00:00", "updated": "2026-04-15T15:30:06.828576+00:00", "vendors": ["python", "python$PRODUCT$cpython"]}