CVE-2026-52860

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{"bugzilla": {"description": "vim: Vim: Arbitrary code execution through Python omni-completion.", "id": "2487987", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2487987"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.0", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-94", "details": ["Vim is an open source, command line text editor. Prior to version 9.2.0597, Vim's Python omni-completion executes reconstructed function and class definitions from the current buffer with exec() as part of populating the completion dictionary. Python evaluates function default values, parameter annotations, and class base expressions at definition time, so a hostile buffer can execute attacker-controlled Python expressions during omni-completion. The existing g:pythoncomplete_allow_import mitigation (GHSA-52mc-rq6p-rc7c) does not cover this path, because the attacker-controlled code is not a harvested import/from statement. This issue has been patched in version 9.2.0597.", "A flaw was found in Vim, an open-source command-line text editor. The Python omni-completion feature executes reconstructed function and class definitions from the current buffer. A remote attacker can exploit this by crafting a hostile buffer, leading to the execution of attacker-controlled Python expressions during omni-completion. This vulnerability can result in arbitrary code execution."], "name": "CVE-2026-52860", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "vim", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "vim", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "vim", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "vim", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "vim", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "rhcos", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-06-11T18:33:45Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-52860\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-52860\nhttps://github.com/vim/vim/commit/c8c63673bc4253212820626aeeb75999d9a539d2\nhttps://github.com/vim/vim/releases/tag/v9.2.0597\nhttps://github.com/vim/vim/security/advisories/GHSA-52mc-rq6p-rc7c\nhttps://github.com/vim/vim/security/advisories/GHSA-65p9-mwwx-7468"], "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,9.2.0597)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "vim", "source": "cna", "vendor": "vim"}, "product": "vim", "vendor": "vim"}], "created": "2026-06-11T20:45:10.551953+00:00", "updated": "2026-06-11T22:30:09.759174+00:00", "vendors": ["vim", "vim$PRODUCT$vim"]}