Package Instance
Lookup for vulnerable packages by Package URL.
GET /api/packages/1066767?format=api
{ "url": "http://public2.vulnerablecode.io/api/packages/1066767?format=api", "purl": "pkg:maven/org.apache.kafka/kafka-clients@4.0.0", "type": "maven", "namespace": "org.apache.kafka", "name": "kafka-clients", "version": "4.0.0", "qualifiers": {}, "subpath": "", "is_vulnerable": true, "next_non_vulnerable_version": "4.0.2", "latest_non_vulnerable_version": "4.1.2", "affected_by_vulnerabilities": [ { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/350409?format=api", "vulnerability_id": "VCID-ja6g-epa4-qbhn", "summary": "A race condition in the Apache Kafka Java producer client’s buffer pool management can cause messages to be silently delivered to incorrect topics.\n\nWhen a produce batch expires due to delivery.timeout.ms while a network request containing that batch is still in flight, the batch’s ByteBuffer is prematurely deallocated and returned to the buffer pool. If a subsequent producer batch—potentially destined for a different topic—reuses this freed buffer before the original network request completes, the buffer contents may become corrupted. This can result in messages being delivered to unintended topics without any error being reported to the producer.\n\n\nData Confidentiality:\nMessages intended for one topic may be delivered to a different topic, potentially exposing sensitive data to consumers who have access to the destination topic but not the intended source topic.\n\nData Integrity:\nConsumers on the receiving topic may encounter unexpected or incompatible messages, leading to deserialization failures, processing errors, and corrupted downstream data.\n\nThis issue affects Apache Kafka versions ≤ 3.9.1, ≤ 4.0.1, and ≤ 4.1.1.\n\nKafka users are advised to upgrade to 3.9.2, 4.0.2, 4.1.2, 4.2.0, or later to address this vulnerability.", "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-35554.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.8", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-35554.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2026-35554", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00028", "scoring_system": "epss", "scoring_elements": "0.07908", "published_at": "2026-04-08T12:55:00Z" }, { "value": "0.00028", "scoring_system": "epss", "scoring_elements": "0.07929", "published_at": "2026-04-09T12:55:00Z" }, { "value": "0.00028", "scoring_system": "epss", "scoring_elements": "0.07917", "published_at": "2026-04-11T12:55:00Z" }, { "value": "0.00028", "scoring_system": "epss", "scoring_elements": "0.07901", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.00037", "scoring_system": "epss", "scoring_elements": "0.10771", "published_at": "2026-04-16T12:55:00Z" }, { "value": "0.00037", "scoring_system": "epss", "scoring_elements": "0.10841", "published_at": "2026-05-07T12:55:00Z" }, { "value": "0.00037", "scoring_system": "epss", "scoring_elements": "0.10706", "published_at": "2026-05-05T12:55:00Z" }, { "value": "0.00037", "scoring_system": "epss", "scoring_elements": "0.10763", "published_at": "2026-04-29T12:55:00Z" }, { "value": "0.00037", "scoring_system": "epss", "scoring_elements": "0.10824", "published_at": "2026-04-26T12:55:00Z" }, { "value": "0.00037", "scoring_system": "epss", "scoring_elements": "0.10865", "published_at": "2026-04-24T12:55:00Z" }, { "value": "0.00037", "scoring_system": "epss", "scoring_elements": "0.10905", "published_at": "2026-04-21T12:55:00Z" }, { "value": "0.00037", "scoring_system": "epss", "scoring_elements": "0.10785", "published_at": "2026-04-18T12:55:00Z" }, { "value": "0.00037", "scoring_system": "epss", "scoring_elements": "0.10907", "published_at": "2026-04-13T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-35554" }, { "reference_url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.7", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N" } ], "url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml" }, { "reference_url": "https://github.com/apache/kafka", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.7", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/apache/kafka" }, { "reference_url": "https://github.com/apache/kafka/commit/1df2ac5b2ba4d1b5ed54b895ff6fb9539303ccb5", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.7", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/apache/kafka/commit/1df2ac5b2ba4d1b5ed54b895ff6fb9539303ccb5" }, { "reference_url": "https://github.com/apache/kafka/pull/21065", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.7", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/apache/kafka/pull/21065" }, { "reference_url": "https://github.com/apache/kafka/pull/21285", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.7", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/apache/kafka/pull/21285" }, { "reference_url": "https://github.com/apache/kafka/pull/21286", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.7", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/apache/kafka/pull/21286" }, { "reference_url": "https://github.com/apache/kafka/pull/21287", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.7", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/apache/kafka/pull/21287" }, { "reference_url": "https://github.com/apache/kafka/pull/21288", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.7", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/apache/kafka/pull/21288" }, { "reference_url": "http://www.openwall.com/lists/oss-security/2026/04/07/6", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.7", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "http://www.openwall.com/lists/oss-security/2026/04/07/6" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=2455916", "reference_id": "2455916", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2455916" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2026-35554", "reference_id": "CVE-2026-35554", "reference_type": "", "scores": [ { "value": "8.7", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-35554" }, { "reference_url": "https://lists.apache.org/thread/f07x7j8ovyqhjd1to25jsnqbm6wj01d6", "reference_id": "f07x7j8ovyqhjd1to25jsnqbm6wj01d6", "reference_type": "", "scores": [ { "value": "8.7", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-04-07T13:57:17Z/" } ], "url": "https://lists.apache.org/thread/f07x7j8ovyqhjd1to25jsnqbm6wj01d6" }, { "reference_url": "https://github.com/advisories/GHSA-5qcv-4rpc-jp93", "reference_id": "GHSA-5qcv-4rpc-jp93", "reference_type": "", "scores": [ { "value": "HIGH", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-5qcv-4rpc-jp93" }, { "reference_url": "https://issues.apache.org/jira/browse/KAFKA-19012", "reference_id": "KAFKA-19012", "reference_type": "", "scores": [ { "value": "8.7", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-04-07T13:57:17Z/" } ], "url": "https://issues.apache.org/jira/browse/KAFKA-19012" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2026:11721", "reference_id": "RHSA-2026:11721", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2026:11721" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2026:13631", "reference_id": "RHSA-2026:13631", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2026:13631" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/1066768?format=api", "purl": "pkg:maven/org.apache.kafka/kafka-clients@4.0.2", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/org.apache.kafka/kafka-clients@4.0.2" }, { "url": "http://public2.vulnerablecode.io/api/packages/1066765?format=api", "purl": "pkg:maven/org.apache.kafka/kafka-clients@4.1.2", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/org.apache.kafka/kafka-clients@4.1.2" } ], "aliases": [ "CVE-2026-35554", "GHSA-5qcv-4rpc-jp93" ], "risk_score": 4.0, "exploitability": "0.5", "weighted_severity": "8.0", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-ja6g-epa4-qbhn" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/353354?format=api", "vulnerability_id": "VCID-vr82-gva6-eqh6", "summary": "", "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2026-33558", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00027", "scoring_system": "epss", "scoring_elements": "0.07746", "published_at": "2026-04-21T12:55:00Z" }, { "value": "0.00108", "scoring_system": "epss", "scoring_elements": "0.28834", "published_at": "2026-04-24T12:55:00Z" }, { "value": "0.00142", "scoring_system": "epss", "scoring_elements": "0.33864", "published_at": "2026-05-07T12:55:00Z" }, { "value": "0.00142", "scoring_system": "epss", "scoring_elements": "0.33794", "published_at": "2026-05-05T12:55:00Z" }, { "value": "0.00142", "scoring_system": "epss", "scoring_elements": "0.33917", "published_at": "2026-04-29T12:55:00Z" }, { "value": "0.00142", "scoring_system": "epss", "scoring_elements": "0.34002", "published_at": "2026-04-26T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-33558" }, { "reference_url": "https://github.com/apache/kafka", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/apache/kafka" }, { "reference_url": "https://kafka.apache.org/cve-list", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-04-20T14:20:28Z/" } ], "url": "https://kafka.apache.org/cve-list" }, { "reference_url": "http://www.openwall.com/lists/oss-security/2026/04/17/3", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "http://www.openwall.com/lists/oss-security/2026/04/17/3" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33558", "reference_id": "CVE-2026-33558", "reference_type": "", "scores": [ { "value": "5.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33558" }, { "reference_url": "https://github.com/advisories/GHSA-wf66-mphr-4c4r", "reference_id": "GHSA-wf66-mphr-4c4r", "reference_type": "", "scores": [ { "value": "MODERATE", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-wf66-mphr-4c4r" }, { "reference_url": "https://lists.apache.org/thread/pz5g4ky3h0k91tfd14p0dzqjp80960kl", "reference_id": "pz5g4ky3h0k91tfd14p0dzqjp80960kl", "reference_type": "", "scores": [ { "value": "5.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-04-20T14:20:28Z/" } ], "url": "https://lists.apache.org/thread/pz5g4ky3h0k91tfd14p0dzqjp80960kl" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/1077742?format=api", "purl": "pkg:maven/org.apache.kafka/kafka-clients@4.0.1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-ja6g-epa4-qbhn" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/org.apache.kafka/kafka-clients@4.0.1" } ], "aliases": [ "CVE-2026-33558", "GHSA-wf66-mphr-4c4r" ], "risk_score": 3.1, "exploitability": "0.5", "weighted_severity": "6.2", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-vr82-gva6-eqh6" } ], "fixing_vulnerabilities": [], "risk_score": "4.0", "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/org.apache.kafka/kafka-clients@4.0.0" }