Vulnerability Instance
Lookup for vulnerabilities affecting packages.
GET /api/vulnerabilities/75751?format=api
{ "url": "http://public2.vulnerablecode.io/api/vulnerabilities/75751?format=api", "vulnerability_id": "VCID-8sfm-uus1-efg7", "summary": "A vulnerability was determined in brikcss merge up to 1.3.0. This affects an unknown part. Executing a manipulation of the argument __proto__/constructor.prototype/prototype can lead to improperly controlled modification of object prototype attributes. The attack may be performed from remote. The vendor was contacted early about this disclosure but did not respond in any way.", "aliases": [ { "alias": "CVE-2026-6594" }, { "alias": "GHSA-3jc6-6r48-v6qf" } ], "fixed_packages": [], "affected_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/1022907?format=api", "purl": "pkg:npm/%40brikcss/merge@1.0.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-8sfm-uus1-efg7" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/%2540brikcss/merge@1.0.0" }, { "url": "http://public2.vulnerablecode.io/api/packages/1022908?format=api", "purl": "pkg:npm/%40brikcss/merge@1.0.1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-8sfm-uus1-efg7" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/%2540brikcss/merge@1.0.1" }, { "url": "http://public2.vulnerablecode.io/api/packages/1022909?format=api", "purl": "pkg:npm/%40brikcss/merge@1.0.2", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-8sfm-uus1-efg7" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/%2540brikcss/merge@1.0.2" }, { "url": "http://public2.vulnerablecode.io/api/packages/1022910?format=api", "purl": "pkg:npm/%40brikcss/merge@1.0.3", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-8sfm-uus1-efg7" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/%2540brikcss/merge@1.0.3" }, { "url": "http://public2.vulnerablecode.io/api/packages/1022911?format=api", "purl": "pkg:npm/%40brikcss/merge@1.0.4", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-8sfm-uus1-efg7" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/%2540brikcss/merge@1.0.4" }, { "url": "http://public2.vulnerablecode.io/api/packages/1022912?format=api", "purl": "pkg:npm/%40brikcss/merge@1.0.5", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-8sfm-uus1-efg7" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/%2540brikcss/merge@1.0.5" }, { "url": "http://public2.vulnerablecode.io/api/packages/1022913?format=api", "purl": "pkg:npm/%40brikcss/merge@1.0.6", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-8sfm-uus1-efg7" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/%2540brikcss/merge@1.0.6" }, { "url": "http://public2.vulnerablecode.io/api/packages/1022914?format=api", "purl": "pkg:npm/%40brikcss/merge@1.0.7", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-8sfm-uus1-efg7" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/%2540brikcss/merge@1.0.7" }, { "url": "http://public2.vulnerablecode.io/api/packages/1022915?format=api", "purl": "pkg:npm/%40brikcss/merge@1.1.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-8sfm-uus1-efg7" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/%2540brikcss/merge@1.1.0" }, { "url": "http://public2.vulnerablecode.io/api/packages/1022916?format=api", "purl": "pkg:npm/%40brikcss/merge@1.2.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-8sfm-uus1-efg7" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/%2540brikcss/merge@1.2.0" }, { "url": "http://public2.vulnerablecode.io/api/packages/1022917?format=api", "purl": "pkg:npm/%40brikcss/merge@1.2.1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-8sfm-uus1-efg7" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/%2540brikcss/merge@1.2.1" }, { "url": "http://public2.vulnerablecode.io/api/packages/1022918?format=api", "purl": "pkg:npm/%40brikcss/merge@1.3.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-8sfm-uus1-efg7" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/%2540brikcss/merge@1.3.0" }, { "url": "http://public2.vulnerablecode.io/api/packages/1022919?format=api", "purl": "pkg:npm/%40brikcss/merge@1.3.1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-8sfm-uus1-efg7" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/%2540brikcss/merge@1.3.1" } ], "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2026-6594", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00064", "scoring_system": "epss", "scoring_elements": "0.20038", "published_at": "2026-06-11T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-6594" }, { "reference_url": "https://github.com/brikcss/merge", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L" }, { "value": "6.9", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/brikcss/merge" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6594", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L" }, { "value": "6.9", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6594" }, { "reference_url": "https://vuldb.com/vuln/358229", "reference_id": "358229", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv2", "scoring_elements": "AV:N/AC:L/Au:N/C:P/I:P/A:P/E:ND/RL:ND/RC:UR" }, { "value": "7.3", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R" }, { "value": "7.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R" }, { "value": "7.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L" }, { "value": "6.9", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N" }, { "value": "6.9", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2026-04-20T14:53:05Z/" } ], "url": "https://vuldb.com/vuln/358229" }, { "reference_url": "https://vuldb.com/submit/791805", "reference_id": "791805", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv2", "scoring_elements": "AV:N/AC:L/Au:N/C:P/I:P/A:P/E:ND/RL:ND/RC:UR" }, { "value": "7.3", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R" }, { "value": "7.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R" }, { "value": "7.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L" }, { "value": "6.9", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N" }, { "value": "6.9", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2026-04-20T14:53:05Z/" } ], "url": "https://vuldb.com/submit/791805" }, { "reference_url": "https://vuldb.com/vuln/358229/cti", "reference_id": "cti", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv2", "scoring_elements": "AV:N/AC:L/Au:N/C:P/I:P/A:P/E:ND/RL:ND/RC:UR" }, { "value": "7.3", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R" }, { "value": "7.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R" }, { "value": "7.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L" }, { "value": "6.9", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X" }, { "value": "6.9", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2026-04-20T14:53:05Z/" } ], "url": "https://vuldb.com/vuln/358229/cti" }, { "reference_url": "https://github.com/advisories/GHSA-3jc6-6r48-v6qf", "reference_id": "GHSA-3jc6-6r48-v6qf", "reference_type": "", "scores": [ { "value": "MODERATE", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-3jc6-6r48-v6qf" }, { "reference_url": "https://github.com/sudo-secure/security-research/blob/main/brikcss-merge/prototype-pollution/PoC.md", "reference_id": "PoC.md", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv2", "scoring_elements": "AV:N/AC:L/Au:N/C:P/I:P/A:P/E:ND/RL:ND/RC:UR" }, { "value": "7.3", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R" }, { "value": "7.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L" }, { "value": "7.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R" }, { "value": "6.9", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X" }, { "value": "6.9", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2026-04-20T14:53:05Z/" } ], "url": "https://github.com/sudo-secure/security-research/blob/main/brikcss-merge/prototype-pollution/PoC.md" } ], "weaknesses": [ { "cwe_id": 94, "name": "Improper Control of Generation of Code ('Code Injection')", "description": "The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment." }, { "cwe_id": 1321, "name": "Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')", "description": "The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype." }, { "cwe_id": 937, "name": "OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities", "description": "Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2013." }, { "cwe_id": 1035, "name": "OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities", "description": "Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2017." } ], "exploits": [], "severity_range_score": "4.0 - 7.5", "exploitability": null, "weighted_severity": null, "risk_score": null, "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-8sfm-uus1-efg7" }