{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-80344", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2026-08-26T09:43:30.068Z", "datePublished": "2026-10-19T10:28:48.809Z", "dateUpdated": "2026-10-19T10:28:48.809Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-10-19T10:28:48.809Z"}, "title": "Apache Camel: Camel-AS2 Server-Side Request Forgery and Credential Disclosure via Asynchronous MDN Delivery Address", "problemTypes": [{"descriptions": [{"description": "CWE-918 Server-Side Request Forgery (SSRF)", "lang": "en", "cweId": "CWE-918", "type": "CWE"}]}], "source": {"discovery": "UNKNOWN"}, "affected": [{"vendor": "Apache Software Foundation", "product": "Apache Camel", "collectionURL": "https://repo.maven.apache.org/maven2", "packageName": "org.apache.camel:camel-as2", "packageURL": "pkg:maven/org.apache.camel/camel-as2", "versions": [{"status": "affected", "version": "4.0.0", "lessThan": "4.18.5", "versionType": "maven"}, {"status": "affected", "version": "4.19.0", "lessThan": "4.22.1", "versionType": "maven"}, {"status": "unaffected", "version": "4.18.5", "versionType": "maven"}, {"status": "unaffected", "version": "4.22.1", "versionType": "maven"}, {"status": "unaffected", "version": "4.23.0", "versionType": "maven"}], "defaultStatus": "unaffected"}], "descriptions": [{"value": "Server-Side Request Forgery (SSRF) vulnerability in Apache Camel AS2 component.\n\nThis issue affects Apache Camel: from 4.0.0 before 4.18.5, from 4.19.0 before 4.22.1.\n\nIn the AS2 protocol the sender of a message may request that the Message Disposition Notification be returned asynchronously to an address the sender supplies. camel-as2 took that address from the inbound message and used it as the destination for the outgoing receipt without constraining it to anything the deployment had configured. A remote partner therefore chose the host the Camel instance would connect to when delivering the MDN. That gives server-side request forgery from the position of the AS2 receiver, including reaching hosts that are only routable from inside the deployment's network, and where the outbound connection carries credentials configured for MDN delivery those credentials are presented to the attacker-chosen destination.\n\nUpgrade to Apache Camel 4.23.0, which fixes the issue. Users on the 4.18.x LTS releases stream should upgrade to 4.18.5. Users on the 4.22.x LTS releases stream should upgrade to 4.22.1. The asynchronous MDN destination is now constrained rather than taken verbatim from the inbound message. For deployments that cannot upgrade immediately, restrict outbound connectivity from the AS2 receiver to the partner endpoints it legitimately delivers receipts to, and do not attach credentials to MDN delivery that are valid for any host other than those partners.", "lang": "en", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Server-Side Request Forgery (SSRF) vulnerability in Apache Camel AS2 component.<br><br>This issue affects Apache Camel: from 4.0.0 before 4.18.5, from 4.19.0 before 4.22.1.<br><br>In the AS2 protocol the sender of a message may request that the Message Disposition Notification be returned asynchronously to an address the sender supplies. camel-as2 took that address from the inbound message and used it as the destination for the outgoing receipt without constraining it to anything the deployment had configured. A remote partner therefore chose the host the Camel instance would connect to when delivering the MDN. That gives server-side request forgery from the position of the AS2 receiver, including reaching hosts that are only routable from inside the deployment's network, and where the outbound connection carries credentials configured for MDN delivery those credentials are presented to the attacker-chosen destination.<br><br>Upgrade to Apache Camel 4.23.0, which fixes the issue. Users on the 4.18.x LTS releases stream should upgrade to 4.18.5. Users on the 4.22.x LTS releases stream should upgrade to 4.22.1. The asynchronous MDN destination is now constrained rather than taken verbatim from the inbound message. For deployments that cannot upgrade immediately, restrict outbound connectivity from the AS2 receiver to the partner endpoints it legitimately delivers receipts to, and do not attach credentials to MDN delivery that are valid for any host other than those partners.</p>"}]}], "references": [{"url": "https://camel.apache.org/security/CVE-2026-80344.html", "name": "Apache Camel Security Advisory - CVE-2026-80344", "tags": ["vendor-advisory"]}, {"url": "https://issues.apache.org/jira/browse/CAMEL-24417", "name": "CAMEL-24417", "tags": ["issue-tracking"]}, {"url": "https://github.com/apache/camel/pull/25637", "name": "Fix on main, released in 4.23.0 (commit ff2b608d77ba773b030fe80467e77cf28ae209d4)", "tags": ["patch"]}, {"url": "https://github.com/apache/camel/pull/25763", "name": "Backport to camel-4.22.x, released in 4.22.1 (commit af7421ff5f7456e252dad14e3279c7809cdef208)", "tags": ["patch"]}, {"url": "https://github.com/apache/camel/pull/25764", "name": "Backport to camel-4.18.x, released in 4.18.5 (commit 64459b6299c07364eb9a225ee02fa2153da526e2)", "tags": ["patch"]}], "metrics": [{"scenarios": [{"lang": "en", "value": "GENERAL"}], "format": "CVSS", "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseSeverity": "HIGH", "baseScore": 8.2, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N"}}], "workarounds": [{"lang": "en", "value": "For deployments that cannot upgrade immediately, restrict outbound connectivity from the AS2 receiver to the partner endpoints it legitimately delivers receipts to, and do not attach credentials to MDN delivery that are valid for any host other than those partners.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>For deployments that cannot upgrade immediately, restrict outbound connectivity from the AS2 receiver to the partner endpoints it legitimately delivers receipts to, and do not attach credentials to MDN delivery that are valid for any host other than those partners.</p>"}]}], "solutions": [{"lang": "en", "value": "Upgrade to Apache Camel 4.23.0, which fixes the issue. Users on the 4.18.x LTS releases stream should upgrade to 4.18.5. Users on the 4.22.x LTS releases stream should upgrade to 4.22.1. The asynchronous MDN destination is now constrained rather than taken verbatim from the inbound message.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Upgrade to Apache Camel 4.23.0, which fixes the issue. Users on the 4.18.x LTS releases stream should upgrade to 4.18.5. Users on the 4.22.x LTS releases stream should upgrade to 4.22.1. The asynchronous MDN destination is now constrained rather than taken verbatim from the inbound message.</p>"}]}], "credits": [{"lang": "en", "value": "Claude Security", "type": "finder"}, {"lang": "en", "value": "Andrea Cosentino", "type": "remediation developer"}], "x_generator": {"engine": "Vulnogram 1.0.3"}}}}

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