{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-27172", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2026-02-18T14:18:10.063Z", "datePublished": "2026-04-27T09:59:45.503Z", "dateUpdated": "2026-04-28T12:47:43.867Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://repo.maven.apache.org/maven2", "defaultStatus": "unaffected", "packageName": "org.apache.camel:camel-consul", "product": "Apache Camel", "vendor": "Apache Software Foundation", "versions": [{"lessThan": "4.14.6", "status": "affected", "version": "3.0.0", "versionType": "semver"}, {"lessThan": "4.18.1", "status": "affected", "version": "4.15.0", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Andrea Cosentino from Apache Software Foundation"}, {"lang": "en", "type": "remediation developer", "value": "Andrea Cosentino from Apache Software Foundation"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>The ConsulRegistry in the camel-consul component (class org.apache.camel.component.consul.ConsulRegistry and its inner ConsulRegistryUtils.deserialize method) read Java-serialized values from the Consul KV store and passed them to ObjectInputStream.readObject() without configuring an ObjectInputFilter. An attacker who can write to the Consul KV store backing a Camel ConsulRegistry instance could inject a malicious serialized Java object that is deserialized the next time Camel performs a lookup against that registry, leading to arbitrary code execution in the Camel process. The issue mirrors the class of vulnerability already addressed for other Camel components in CVE-2024-22369, CVE-2024-23114 and CVE-2026-25747, and was overlooked during the original remediation of those CVEs.</p><p>This issue affects Apache Camel: from 3.0.0 before 4.14.6, from 4.15.0 before 4.18.1.</p><p>Users are recommended to upgrade to version 4.19.0, which fixes the issue. If users are on the 4.14.x LTS releases stream, then they are suggested to upgrade to 4.14.6. If users are on the 4.18.x releases stream, then they are suggested to upgrade to 4.18.1.</p>"}], "value": "The ConsulRegistry in the camel-consul component (class org.apache.camel.component.consul.ConsulRegistry and its inner ConsulRegistryUtils.deserialize method) read Java-serialized values from the Consul KV store and passed them to ObjectInputStream.readObject() without configuring an ObjectInputFilter. An attacker who can write to the Consul KV store backing a Camel ConsulRegistry instance could inject a malicious serialized Java object that is deserialized the next time Camel performs a lookup against that registry, leading to arbitrary code execution in the Camel process. The issue mirrors the class of vulnerability already addressed for other Camel components in CVE-2024-22369, CVE-2024-23114 and CVE-2026-25747, and was overlooked during the original remediation of those CVEs.\n\nThis issue affects Apache Camel: from 3.0.0 before 4.14.6, from 4.15.0 before 4.18.1.\n\nUsers are recommended to upgrade to version 4.19.0, which fixes the issue. If users are on the 4.14.x LTS releases stream, then they are suggested to upgrade to 4.14.6. If users are on the 4.18.x releases stream, then they are suggested to upgrade to 4.18.1."}], "metrics": [{"other": {"content": {"text": "important"}, "type": "Textual description of severity"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-502", "description": "CWE-502 Deserialization of Untrusted Data", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-04-27T09:59:45.503Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://camel.apache.org/security/CVE-2026-27172.html"}], "source": {"defect": ["CAMEL-23029"], "discovery": "UNKNOWN"}, "title": "Apache Camel: Unsafe Java deserialization in camel-consul ConsulRegistry allows arbitrary code execution via malicious values read from the Consul KV store", "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-04-28T03:55:34.448661Z", "id": "CVE-2026-27172", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-04-28T12:47:43.867Z"}}]}}

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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[3.0.0,4.14.6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[4.15.0,4.18.1)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Apache Camel", "source": "cna", "vendor": "Apache Software Foundation"}, "product": "camel", "vendor": "apache"}], "analysis": {"en": {"generated_at": "2026-04-28T19:48:08.926299+00:00", "value": {"mitigation_remediation": ["Upgrade Apache Camel to the latest patched version: v4.19.0 for new installations, 4.14.6 for the 4.14.x LTS line, or 4.18.1 for the 4.18.x releases.", "Restrict write permissions on the Consul KV store that backs the ConsulRegistry to trusted principals only, preventing unauthorized injection of serialized data.", "Audit the contents of the KV store for existing serialized objects, removing any suspicious or unknown entries and, if feasible, apply additional input filtering in the application to validate or reject unexpected object types."], "summary": {"action": "Apply Patch", "impact": "Arbitrary code execution"}, "threat_synthesis": {"affected_systems": "Apache Camel\u2019s camel\u2011consul component is affected. The flaw exists in versions 3.0.0 up to 4.18.x before the corresponding patch releases: all 3.x and 4.0\u20114.14.x prior to 4.14.6 and 4.15.0\u20114.18.x prior to 4.18.1.", "description_and_impact": "The ConsulRegistry component in Apache Camel reads Java\u2011serialized objects directly from a Consul KV store and forwards the data to ObjectInputStream.readObject() without applying an ObjectInputFilter. This allows an attacker who can inject a malicious serialized object into the store to have it automatically deserialized during a Camel lookup, resulting in arbitrary code execution within the Camel process. The vulnerability is categorized as CWE\u2011502, unsafe deserialization, which can compromise confidentiality, integrity, and availability of the affected system.", "risk_and_exploitability": "The CVSS score of 8.8 indicates high severity, while the EPSS score of less than 1% indicates a low current likelihood of exploitation. The vulnerability is not listed in CISA KEV, showing no widespread public exploitation yet. An attacker needs the ability to write to the Consul KV store that backs the Camel ConsulRegistry; with that privilege the attacker can insert a crafted serialized payload that will be executed automatically the next time Camel performs a lookup."}}}}, "created": "2026-04-28T03:00:09.367474+00:00", "updated": "2026-04-28T20:00:19.866880+00:00", "vendors": ["apache", "apache$PRODUCT$camel"]}