{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-13006", "assignerOrgId": "455daabc-a392-441d-aa46-37d35189897c", "state": "PUBLISHED", "assignerShortName": "NCSC.ch", "dateReserved": "2026-06-23T14:31:36.004Z", "datePublished": "2026-06-24T05:41:32.197Z", "dateUpdated": "2026-06-24T05:41:32.197Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "455daabc-a392-441d-aa46-37d35189897c", "shortName": "NCSC.ch", "dateUpdated": "2026-06-24T05:41:32.197Z"}, "title": "Incomplete protection against CVE-2025-11226", "datePublic": "2026-06-23T11:09:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-20", "description": "CWE-20 Improper Input Validation", "type": "CWE"}]}], "impacts": [{"descriptions": [{"lang": "en", "value": "Arbitrary code execution on previously compromised system"}]}, {"capecId": "CAPEC-242", "descriptions": [{"lang": "en", "value": "CAPEC-242 Code Injection"}]}], "affected": [{"vendor": "QOS.CH Sarl", "product": "Logback-core", "platforms": ["Java"], "modules": ["logback-core"], "versions": [{"status": "affected", "version": "0.9.20", "lessThanOrEqual": "1.5.134", "versionType": "maven"}, {"status": "unaffected", "version": "1.5.35", "versionType": "maven"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "ACE vulnerability in conditional configuration file processing by QOS.CH logback-core up to and including version 1.5.34 in Java applications, allows an attacker to execute arbitrary code circumventing existing protections against CVE-2025-11226 by\u00a0compromising an existing logback configuration file or by injecting an environment variable before program execution.\n\n\n\nA successful attack requires the presence of Janino library to be present on the user's class path. In addition, the attacker must\u00a0 have write access to a \nconfiguration file. Alternatively, the attacker could inject a malicious \nenvironment variable pointing to a malicious configuration file. In both \ncases, the attack requires existing privilege.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<div>ACE vulnerability in conditional configuration file processing by QOS.CH logback-core up to and including version 1.5.34 in Java applications, allows an attacker to execute arbitrary code circumventing existing protections against CVE-2025-11226 by&nbsp;compromising an existing logback configuration file or by injecting an environment variable before program execution.<br></div><div><br>A successful attack requires the presence of Janino library to be present on the user's class path. In addition, the attacker must&nbsp; have write access to a \nconfiguration file. Alternatively, the attacker could inject a malicious \nenvironment variable pointing to a malicious configuration file. In both \ncases, the attack requires existing privilege.\n\n\n</div><br>"}]}], "references": [{"url": "https://logback.qos.ch/news.html#1.5.35"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "HIGH", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "LOW", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "PRESENT", "Automatable": "NO", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "MODERATE", "providerUrgency": "GREEN", "version": "4.0", "baseSeverity": "HIGH", "baseScore": 7, "vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N/S:P/AU:N/RE:M/U:Green"}}], "workarounds": [{"lang": "en", "value": "Remove Janino from the Java classpath or update to logack version 1.5.35 or later.\u00a0As of logback 1.5.20, the <condition>\u00a0element with a custom PropertyEvaluator offers a recommended alternative to conditionals requiring Janino.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Remove Janino from the Java classpath or update to logack version 1.5.35 or later.&nbsp;As of logback 1.5.20, the &lt;condition&gt;&nbsp;element with a custom PropertyEvaluator offers a recommended alternative to conditionals requiring Janino."}]}], "solutions": [{"lang": "en", "value": "Remove Janino from the Java classpath or update to logack version 1.5.35 or later.\u00a0As of logback 1.5.20, the <condition>\u00a0element with a custom PropertyEvaluator offers a recommended alternative to conditionals requiring Janino.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Remove Janino from the Java classpath or update to logack version 1.5.35 or later.&nbsp;As of logback 1.5.20, the &lt;condition&gt;&nbsp;element with a custom PropertyEvaluator offers a recommended alternative to conditionals requiring Janino."}]}], "exploits": [{"lang": "en", "value": "No known exploitation", "supportingMedia": [{"type": "text/html", "base64": false, "value": "No known exploitation<br>"}]}], "credits": [{"lang": "en", "value": "IcySun (icysun@qq.com)", "type": "finder"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 0.2.0"}}}}

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