CVE-2026-67986

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "amazing-print/amazing_print at commit dc890dfafdf07088ea901df53c19c2710e5c5234 contains a Ruby code injection condition in AwesomeMethodArray#grep. A specially named method containing Ruby interpolation syntax can be interpolated into a dynamically constructed eval string when grep is called with a block, resulting in Ruby code execution in the host process. Exploitation requires an application path that allows an attacker to influence dynamic method names."}], "id": "CVE-2026-67986", "lastModified": "2026-09-08T19:42:20.313", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.5, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-67986", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-08-13T15:48:49.120006Z", "version": "2.0.3"}}]}, "published": "2026-08-13T14:17:11.440", "references": [{"source": "cve@mitre.org", "url": "https://gist.github.com/Zykis1024/21b13ddabf1a7d9707fd573518cefa71"}, {"source": "cve@mitre.org", "url": "https://github.com/amazing-print/amazing_print"}, {"source": "cve@mitre.org", "url": "https://github.com/amazing-print/amazing_print/blob/dc890dfafdf07088ea901df53c19c2710e5c5234/lib/amazing_print/core_ext/awesome_method_array.rb#L71"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-94"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "amazing_print: amazing_print: Arbitrary code execution via Ruby code injection in AwesomeMethodArray#grep", "id": "2515343", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2515343"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-94", "details": ["A flaw was found in amazing_print. This vulnerability allows an attacker to inject and execute arbitrary Ruby code within the host process. The flaw occurs when the `grep` method is called with a block, and a specially crafted method name containing Ruby interpolation syntax is processed. Successful exploitation requires the attacker to influence dynamic method names through an application path."], "mitigation": {"lang": "en:us", "value": "No action is required. The vulnerable code path in amazing_print is not reachable through normal Satellite operation. Customers who have developed custom scripts or plugins that call amazing_print's method array grep with a block should avoid passing untrusted input into method introspection until an upstream fix is available."}, "name": "CVE-2026-67986", "package_state": [{"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Not affected", "package_name": "rubygem-amazing_print", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Not affected", "package_name": "satellite:el8/rubygem-amazing_print", "product_name": "Red Hat Satellite 6"}], "public_date": "2026-08-13T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-67986\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-67986\nhttps://gist.github.com/Zykis1024/21b13ddabf1a7d9707fd573518cefa71\nhttps://github.com/amazing-print/amazing_print\nhttps://github.com/amazing-print/amazing_print/blob/dc890dfafdf07088ea901df53c19c2710e5c5234/lib/amazing_print/core_ext/awesome_method_array.rb#L71"], "statement": "Red Hat Satellite includes the rubygem-amazing_print package as a dependency of the hammer CLI tool. While the vulnerable code exists in the shipped version, the specific code path that enables exploitation \u2014 calling grep with a block on method arrays \u2014 is not used by Satellite or any of its components. The gem is used solely for debug-level object formatting. As a result, this vulnerability is not exploitable in Red Hat Satellite as shipped.", "threat_severity": "Important"}

{"created": "2026-08-13T18:30:16.245880+00:00", "title": "Arbitrary Ruby Code Execution via Dynamic eval in amazing_print's AwesomeMethodArray#grep", "updated": "2026-08-13T18:30:16.245886+00:00", "vendors": []}