Vulnerability Instance
Lookup for vulnerabilities affecting packages.
GET /api/vulnerabilities/351545?format=api
{ "url": "http://public2.vulnerablecode.io/api/vulnerabilities/351545?format=api", "vulnerability_id": "VCID-b9ra-7vku-kuhu", "summary": "", "aliases": [ { "alias": "CVE-2026-34479" }, { "alias": "GHSA-h383-gmxw-35v2" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/584437?format=api", "purl": "pkg:deb/debian/apache-log4j1.2@0?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/apache-log4j1.2@0%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/583557?format=api", "purl": "pkg:deb/debian/apache-log4j1.2@1.2.17-10%2Bdeb11u1?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/apache-log4j1.2@1.2.17-10%252Bdeb11u1%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/583558?format=api", "purl": "pkg:deb/debian/apache-log4j1.2@1.2.17-11?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/apache-log4j1.2@1.2.17-11%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/1067057?format=api", "purl": "pkg:maven/org.apache.logging.log4j/log4j-1.2-api@2.25.4", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/org.apache.logging.log4j/log4j-1.2-api@2.25.4" } ], "affected_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/1067089?format=api", "purl": "pkg:maven/org.apache.logging.log4j/log4j-1.2-api@2.7", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-b9ra-7vku-kuhu" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/org.apache.logging.log4j/log4j-1.2-api@2.7" }, { "url": "http://public2.vulnerablecode.io/api/packages/1067090?format=api", "purl": "pkg:maven/org.apache.logging.log4j/log4j-1.2-api@3.0.0-beta1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-b9ra-7vku-kuhu" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/org.apache.logging.log4j/log4j-1.2-api@3.0.0-beta1" }, { "url": "http://public2.vulnerablecode.io/api/packages/1067091?format=api", "purl": "pkg:maven/org.apache.logging.log4j/log4j-1.2-api@3.0.0-beta2", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-b9ra-7vku-kuhu" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/org.apache.logging.log4j/log4j-1.2-api@3.0.0-beta2" } ], "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-34479.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.3", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-34479.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2026-34479", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00119", "scoring_system": "epss", "scoring_elements": "0.30901", "published_at": "2026-04-11T12:55:00Z" }, { "value": "0.00119", "scoring_system": "epss", "scoring_elements": "0.30813", "published_at": "2026-04-13T12:55:00Z" }, { "value": "0.00119", "scoring_system": "epss", "scoring_elements": "0.30858", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.00157", "scoring_system": "epss", "scoring_elements": "0.36195", "published_at": "2026-04-24T12:55:00Z" }, { "value": "0.00157", "scoring_system": "epss", "scoring_elements": "0.36497", "published_at": "2026-04-16T12:55:00Z" }, { "value": "0.00157", "scoring_system": "epss", "scoring_elements": "0.3648", "published_at": "2026-04-18T12:55:00Z" }, { "value": "0.00157", "scoring_system": "epss", "scoring_elements": "0.36423", "published_at": "2026-04-21T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-34479" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-34479", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-34479" }, { "reference_url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml", "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:N/I:N/A:L" } ], "url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml" }, { "reference_url": "https://github.com/apache/logging-log4j2", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.9", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/apache/logging-log4j2" }, { "reference_url": "https://logging.apache.org/cyclonedx/vdr.xml", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.9", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA: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/2026-04-10T17:45:24Z/" } ], "url": "https://logging.apache.org/cyclonedx/vdr.xml" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2026-34479", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.9", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-34479" }, { "reference_url": "http://www.openwall.com/lists/oss-security/2026/04/10/8", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.9", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "http://www.openwall.com/lists/oss-security/2026/04/10/8" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1133848", "reference_id": "1133848", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1133848" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=2457313", "reference_id": "2457313", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2457313" }, { "reference_url": "https://github.com/apache/logging-log4j2/pull/4078", "reference_id": "4078", "reference_type": "", "scores": [ { "value": "6.9", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA: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/2026-04-10T17:45:24Z/" } ], "url": "https://github.com/apache/logging-log4j2/pull/4078" }, { "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:log4j_1_2_api:*:*:*:*:*:*:*:*", "reference_id": "cpe:2.3:a:apache:log4j_1_2_api:*:*:*:*:*:*:*:*", "reference_type": "", "scores": [], "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:log4j_1_2_api:*:*:*:*:*:*:*:*" }, { "reference_url": "https://lists.apache.org/thread/gd0hp6mj17rn3kj279vgy4p7kd4zz5on", "reference_id": "gd0hp6mj17rn3kj279vgy4p7kd4zz5on", "reference_type": "", "scores": [ { "value": "6.9", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA: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/2026-04-10T17:45:24Z/" } ], "url": "https://lists.apache.org/thread/gd0hp6mj17rn3kj279vgy4p7kd4zz5on" }, { "reference_url": "https://github.com/advisories/GHSA-h383-gmxw-35v2", "reference_id": "GHSA-h383-gmxw-35v2", "reference_type": "", "scores": [ { "value": "MODERATE", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-h383-gmxw-35v2" }, { "reference_url": "https://logging.apache.org/log4j/2.x/migrate-from-log4j1.html", "reference_id": "migrate-from-log4j1.html", "reference_type": "", "scores": [ { "value": "6.9", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA: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/2026-04-10T17:45:24Z/" } ], "url": "https://logging.apache.org/log4j/2.x/migrate-from-log4j1.html" }, { "reference_url": "https://logging.apache.org/security.html#CVE-2026-34479", "reference_id": "security.html#CVE-2026-34479", "reference_type": "", "scores": [ { "value": "6.9", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA: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/2026-04-10T17:45:24Z/" } ], "url": "https://logging.apache.org/security.html#CVE-2026-34479" } ], "weaknesses": [ { "cwe_id": 116, "name": "Improper Encoding or Escaping of Output", "description": "The product prepares a structured message for communication with another component, but encoding or escaping of the data is either missing or done incorrectly. As a result, the intended structure of the message is not preserved." }, { "cwe_id": 91, "name": "XML Injection (aka Blind XPath Injection)", "description": "The product does not properly neutralize special elements that are used in XML, allowing attackers to modify the syntax, content, or commands of the XML before it is processed by an end system." } ], "exploits": [], "severity_range_score": "4.0 - 6.9", "exploitability": "0.5", "weighted_severity": "6.2", "risk_score": 3.1, "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-b9ra-7vku-kuhu" }