{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-77711", "assignerOrgId": "e51fbebd-6053-4e49-959f-1b94eeb69a2c", "state": "PUBLISHED", "assignerShortName": "eclipse", "dateReserved": "2026-08-21T08:58:54.421Z", "datePublished": "2026-10-15T08:51:48.066Z", "dateUpdated": "2026-10-15T13:50:52.566Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "e51fbebd-6053-4e49-959f-1b94eeb69a2c", "shortName": "eclipse", "dateUpdated": "2026-10-15T08:51:48.066Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-200", "description": "CWE-200", "type": "CWE"}]}], "affected": [{"vendor": "Eclipse Foundation", "product": "Eclipse Jetty", "packageName": "org.eclipse.jetty:jetty-client", "versions": [{"status": "affected", "version": "12.1.0", "lessThanOrEqual": "12.1.12", "versionType": "semver"}, {"status": "affected", "version": "12.0.0", "lessThanOrEqual": "12.0.38", "versionType": "semver"}, {"status": "affected", "version": "11.0.0", "lessThanOrEqual": "11.0.32", "versionType": "semver"}, {"status": "affected", "version": "10.0.0", "lessThanOrEqual": "10.0.32", "versionType": "semver"}, {"status": "affected", "version": "9.4.0", "lessThanOrEqual": "9.4.64", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "When Jetty's `HttpClient` make a request to a server through a forward proxy, the server may reply with a 407 (Proxy Authentication Required).\n\n\n\nThe client mistakenly interprets the 407 as coming from the proxy, so it re-sends the request with the `Proxy-Authentication` header, which arrives to the server, that now has access to the proxy credentials.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>When Jetty's `HttpClient` make a request to a server through a forward proxy, the server may reply with a 407 (Proxy Authentication Required).</p><p>The client mistakenly interprets the 407 as coming from the proxy, so it re-sends the request with the `Proxy-Authentication` header, which arrives to the server, that now has access to the proxy credentials.</p>"}]}], "references": [{"url": "https://github.com/jetty/jetty.project/security/advisories/GHSA-r2c5-3p8g-wpvw"}, {"url": "https://gitlab.eclipse.org/security/cve-assignment/-/work_items/238"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "HIGH", "baseScore": 8.2, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"}}], "credits": [{"lang": "en", "value": "https://github.com/4ra1n", "type": "finder"}, {"lang": "en", "value": "https://github.com/pyn3rd", "type": "finder"}, {"lang": "en", "value": "https://github.com/unam4", "type": "finder"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}, "adp": [{"references": [{"url": "https://github.com/jetty/jetty.project/security/advisories/GHSA-r2c5-3p8g-wpvw", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-15T13:50:25.620133Z", "id": "CVE-2026-77711", "options": [{"Exploitation": "poc"}, {"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": "2026-10-15T13:50:52.566Z"}}]}}

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-77711", "assignerOrgId": "e51fbebd-6053-4e49-959f-1b94eeb69a2c", "state": "PUBLISHED", "assignerShortName": "eclipse", "dateReserved": "2026-08-21T08:58:54.421Z", "datePublished": "2026-10-15T08:51:48.066Z", "dateUpdated": "2026-10-15T13:50:52.566Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "e51fbebd-6053-4e49-959f-1b94eeb69a2c", "shortName": "eclipse", "dateUpdated": "2026-10-15T08:51:48.066Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-200", "description": "CWE-200", "type": "CWE"}]}], "affected": [{"vendor": "Eclipse Foundation", "product": "Eclipse Jetty", "packageName": "org.eclipse.jetty:jetty-client", "versions": [{"status": "affected", "version": "12.1.0", "lessThanOrEqual": "12.1.12", "versionType": "semver"}, {"status": "affected", "version": "12.0.0", "lessThanOrEqual": "12.0.38", "versionType": "semver"}, {"status": "affected", "version": "11.0.0", "lessThanOrEqual": "11.0.32", "versionType": "semver"}, {"status": "affected", "version": "10.0.0", "lessThanOrEqual": "10.0.32", "versionType": "semver"}, {"status": "affected", "version": "9.4.0", "lessThanOrEqual": "9.4.64", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "When Jetty's `HttpClient` make a request to a server through a forward proxy, the server may reply with a 407 (Proxy Authentication Required).\n\n\n\nThe client mistakenly interprets the 407 as coming from the proxy, so it re-sends the request with the `Proxy-Authentication` header, which arrives to the server, that now has access to the proxy credentials.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>When Jetty's `HttpClient` make a request to a server through a forward proxy, the server may reply with a 407 (Proxy Authentication Required).</p><p>The client mistakenly interprets the 407 as coming from the proxy, so it re-sends the request with the `Proxy-Authentication` header, which arrives to the server, that now has access to the proxy credentials.</p>"}]}], "references": [{"url": "https://github.com/jetty/jetty.project/security/advisories/GHSA-r2c5-3p8g-wpvw"}, {"url": "https://gitlab.eclipse.org/security/cve-assignment/-/work_items/238"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "HIGH", "baseScore": 8.2, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"}}], "credits": [{"lang": "en", "value": "https://github.com/4ra1n", "type": "finder"}, {"lang": "en", "value": "https://github.com/pyn3rd", "type": "finder"}, {"lang": "en", "value": "https://github.com/unam4", "type": "finder"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-77711", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-15T13:50:25.620133Z"}}}], "references": [{"url": "https://github.com/jetty/jetty.project/security/advisories/GHSA-r2c5-3p8g-wpvw", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-15T13:50:46.699Z"}}]}}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "packageName": "org.eclipse.jetty:jetty-client", "product": "Eclipse Jetty", "vendor": "Eclipse Foundation", "versions": [{"lessThanOrEqual": "12.1.12", "status": "affected", "version": "12.1.0", "versionType": "semver"}, {"lessThanOrEqual": "12.0.38", "status": "affected", "version": "12.0.0", "versionType": "semver"}, {"lessThanOrEqual": "11.0.32", "status": "affected", "version": "11.0.0", "versionType": "semver"}, {"lessThanOrEqual": "10.0.32", "status": "affected", "version": "10.0.0", "versionType": "semver"}, {"lessThanOrEqual": "9.4.64", "status": "affected", "version": "9.4.0", "versionType": "semver"}]}], "source": "emo@eclipse.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "When Jetty's `HttpClient` make a request to a server through a forward proxy, the server may reply with a 407 (Proxy Authentication Required).\n\n\n\nThe client mistakenly interprets the 407 as coming from the proxy, so it re-sends the request with the `Proxy-Authentication` header, which arrives to the server, that now has access to the proxy credentials."}], "id": "CVE-2026-77711", "lastModified": "2026-10-15T14:41:34.110", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "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": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/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:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "emo@eclipse.org", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-77711", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-15T13:50:25.620133Z", "version": "2.0.3"}}]}, "published": "2026-10-15T09:17:18.573", "references": [{"source": "emo@eclipse.org", "url": "https://github.com/jetty/jetty.project/security/advisories/GHSA-r2c5-3p8g-wpvw"}, {"source": "emo@eclipse.org", "url": "https://gitlab.eclipse.org/security/cve-assignment/-/work_items/238"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/jetty/jetty.project/security/advisories/GHSA-r2c5-3p8g-wpvw"}], "sourceIdentifier": "emo@eclipse.org", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}], "source": "emo@eclipse.org", "type": "Secondary"}]}

{"bugzilla": {"description": "org.eclipse.jetty/jetty-client: jetty-client: Information disclosure via improper proxy authentication handling", "id": "2553119", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2553119"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "status": "draft"}, "cwe": "CWE-201", "details": ["A flaw was found in Eclipse Jetty's HttpClient. A malicious destination server can cause an information disclosure of proxy authentication credentials when client requests are routed through a forward proxy. By returning a proxy authentication challenge, the server misleads the client into believing the response came from the proxy, causing the client to re-send the request containing sensitive credentials directly to the untrusted server."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability."}, "name": "CVE-2026-77711", "package_state": [{"cpe": "cpe:/a:redhat:camel_quarkus:3", "fix_state": "Affected", "package_name": "jetty-client", "product_name": "Red Hat build of Apache Camel 4 for Quarkus 3"}, {"cpe": "cpe:/a:redhat:camel_spring_boot:4", "fix_state": "Affected", "package_name": "jetty-client", "product_name": "Red Hat build of Apache Camel for Spring Boot 4"}, {"cpe": "cpe:/a:redhat:apache_camel_hawtio:4", "fix_state": "Affected", "package_name": "jetty-client", "product_name": "Red Hat build of Apache Camel - HawtIO 4"}, {"cpe": "cpe:/a:redhat:apicurio_registry:3", "fix_state": "Affected", "package_name": "jetty-client", "product_name": "Red Hat build of Apicurio Registry 3"}, {"cpe": "cpe:/a:redhat:debezium:3", "fix_state": "Affected", "package_name": "jetty-client", "product_name": "Red Hat build of Debezium 3"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "maven-site-plugin", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "jmc", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:jboss_fuse:7", "fix_state": "Affected", "package_name": "jetty-client", "product_name": "Red Hat Fuse 7"}, {"cpe": "cpe:/a:redhat:offline_knowledge_portal:1", "fix_state": "Affected", "package_name": "offline-knowledge-portal/rhokp-rhel9", "product_name": "Red Hat Offline Knowledge Portal"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Affected", "package_name": "rhoai/odh-spark-operator-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Affected", "package_name": "rhoai/odh-th06-cpu-torch210-py312-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Affected", "package_name": "rhoai/odh-th06-cpu-torch291-py312-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Affected", "package_name": "rhoai/odh-th06-cuda130-torch210-py312-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Affected", "package_name": "rhoai/odh-th06-cuda130-torch291-py312-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Affected", "package_name": "rhoai/odh-th06-rocm64-torch291-py312-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Affected", "package_name": "rhoai/odh-th-torch-cpu-py312-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Affected", "package_name": "rhoai/odh-th-torch-cuda-py312-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_devspaces:3", "fix_state": "Affected", "package_name": "devspaces/openvsx-rhel9", "product_name": "Red Hat OpenShift Dev Spaces"}, {"cpe": "cpe:/a:redhat:openshift_devspaces:3", "fix_state": "Affected", "package_name": "devspaces/pluginregistry-rhel9", "product_name": "Red Hat OpenShift Dev Spaces"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Affected", "package_name": "openvox-server", "product_name": "Red Hat Satellite 6"}], "public_date": "2026-10-15T08:51:48Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-77711\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-77711\nhttps://github.com/jetty/jetty.project/security/advisories/GHSA-r2c5-3p8g-wpvw\nhttps://gitlab.eclipse.org/security/cve-assignment/-/work_items/238"], "statement": "This flaw is rated Important because an HTTPS origin reachable through an authenticating forward proxy can forge a 407 response and trick Eclipse Jetty's HttpClient into sending the proxy's Basic credentials through the established TLS tunnel directly to that origin. Exploitation only requires a client configured with forward-proxy authentication connecting to an attacker-controlled or compromised HTTPS destination; the leaked credentials could then be reused against the proxy.", "threat_severity": "Important"}

{}