CVE-2026-46338

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{"bugzilla": {"description": "pymdown-extensions: PyMdown Extensions: Information disclosure via crafted Markdown snippets", "id": "2501448", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2501448"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N", "status": "draft"}, "cwe": "CWE-22", "details": ["A flaw was found in PyMdown Extensions, a tool used for processing Markdown documents. This vulnerability allows an attacker to potentially read sensitive files from unexpected locations on a system. By crafting a special Markdown snippet, an attacker could trick the system into accessing files outside of the intended directory, leading to unauthorized information disclosure. This issue requires user interaction, meaning a user would need to process a malicious Markdown file for the attack to succeed."], "mitigation": {"lang": "en:us", "value": "Ensure that untrusted Markdown content is not processed by the pymdownx.snippets extension. If the snippets feature is not required, it can be disabled in the MkDocs or Python-Markdown configuration."}, "name": "CVE-2026-46338", "package_state": [{"cpe": "cpe:/a:redhat:rhdh:1", "fix_state": "Fix deferred", "package_name": "rhdh/rhdh-hub-rhel9", "product_name": "Red Hat Developer Hub"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "trivy", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift4/ose-olm-catalogd-rhel9", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:ansible_portal:2", "fix_state": "Fix deferred", "package_name": "ansible-automation-platform/bootc-automation-portal-rhel9", "product_name": "Self-service automation portal 2"}], "public_date": "2026-07-16T18:24:18Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-46338\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-46338\nhttps://github.com/facelessuser/pymdown-extensions/commit/63b7835776d703d6c339cf2110d9888f676efc0c\nhttps://github.com/facelessuser/pymdown-extensions/releases/tag/10.21.3\nhttps://github.com/facelessuser/pymdown-extensions/security/advisories/GHSA-62q4-447f-wv8h"], "statement": "Red Hat ships pymdown-extensions in several products as a bundled dependency. The vulnerability requires an attacker to control Markdown content processed by the pymdownx.snippets extension and for sibling directories with a matching path prefix to exist. While the vulnerable versions are present, the practical exploitability depends on whether untrusted Markdown input is processed in the affected products.", "threat_severity": "Moderate"}

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