CVE-2026-10532

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affects logback: through 1.5.33 inclusive.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Deserialization of untrusted data vulnerability in QOS.CH Sarl logback logback-core (HardenedObjectInputStream (logback-core) modules) allows Object Injection, albeit heavily restricted.<br><br><div>More precisely, an attacker able to influence serialized data sent to \nSimpleSocketServer or SimpleSSLSocketServer can instantiate Proxy objects.</div><br>Although deserialization is heavily restricted by HardenedObjectInputStream and no \npractical way to achieve remote code execution or significant privilege \nescalation has been identified, this issue constitutes a bypass of the \nintended security restrictions.<br><br><p>This issue affects logback: through 1.5.33 inclusive.<br><br><br></p>"}]}], "references": [{"url": "https://logback.qos.ch/news.html#1.5.34"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": 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the target host and reachable by the attacker."}]}], "solutions": [{"lang": "en", "value": "Upgrade to logback version 1.5.34.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Upgrade to logback version 1.5.34."}]}], "exploits": [{"lang": "en", "value": "Given that\u00a0HardenedObjectInputStream used by SimpleSocketServer and SimpleSSLSockerServer already heavily restricts the set of deserializable classes, it is unlikely that the attacker can escalate the vulnerability to gain control of the target host.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Given that&nbsp;HardenedObjectInputStream used by SimpleSocketServer and SimpleSSLSockerServer already heavily restricts the set of deserializable classes, it is unlikely that the attacker can escalate the vulnerability to gain control of the target host.&nbsp;"}]}], "credits": [{"lang": "en", "value": "York Shen https://github.com/york-shen", "type": "finder"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.2"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-06-01T13:56:13.272183Z", "id": "CVE-2026-10532", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-01T13:56:21.654Z"}}]}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "modules": ["HardenedObjectInputStream (logback-core)"], "packageName": "logback-core", "product": "logback", "programFiles": ["HardenedObjectInputStream.java"], "repo": "https://github.com/qos-ch/logback", "vendor": "QOS.CH Sarl", "versions": [{"lessThanOrEqual": "1.5.33", "status": "affected", "version": "0", "versionType": "maven"}, {"status": "unaffected", "version": "1.5.34"}]}], "source": "vulnerability@ncsc.ch"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Deserialization of untrusted data vulnerability in QOS.CH Sarl logback logback-core (HardenedObjectInputStream (logback-core) modules) allows Object Injection, albeit heavily restricted.\n\nMore precisely, an attacker able to influence serialized data sent to \nSimpleSocketServer or SimpleSSLSocketServer can instantiate Proxy objects.\n\n\nAlthough deserialization is heavily restricted by HardenedObjectInputStream and no \npractical way to achieve remote code execution or significant privilege \nescalation has been identified, this issue constitutes a bypass of the \nintended security restrictions.\n\n\n\nThis issue affects logback: through 1.5.33 inclusive."}, {"lang": "es", "value": "Vulnerabilidad de deserializaci\u00f3n de datos no confiables en QOS.CH Sarl logback logback-core (m\u00f3dulos HardenedObjectInputStream (logback-core)) permite la inyecci\u00f3n de objetos, aunque muy restringida.\n\nM\u00e1s precisamente, un atacante capaz de influir en los datos serializados enviados a SimpleSocketServer o SimpleSSLSocketServer puede instanciar objetos Proxy.\n\nAunque la deserializaci\u00f3n est\u00e1 muy restringida por HardenedObjectInputStream y no se ha identificado ninguna forma pr\u00e1ctica de lograr la ejecuci\u00f3n remota de c\u00f3digo o una escalada significativa de privilegios, este problema constituye un bypass de las restricciones de seguridad previstas.\n\nEste problema afecta a logback: hasta la versi\u00f3n 1.5.33 inclusive."}], "id": "CVE-2026-10532", "lastModified": "2026-07-22T07:10:00.107", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 2.9, "baseSeverity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "GREEN", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:M/U:Green", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "MODERATE"}, "source": "vulnerability@ncsc.ch", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-10532", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-06-01T13:56:13.272183Z", "version": "2.0.3"}}]}, "published": "2026-06-01T13:16:30.340", "references": [{"source": "vulnerability@ncsc.ch", "url": "https://logback.qos.ch/news.html#1.5.34"}], "sourceIdentifier": "vulnerability@ncsc.ch", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-502"}], "source": "vulnerability@ncsc.ch", "type": "Secondary"}]}

{}

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