Vulnerability Instance
Lookup for vulnerabilities affecting packages.
GET /api/vulnerabilities/267392?format=api
{ "url": "http://public2.vulnerablecode.io/api/vulnerabilities/267392?format=api", "vulnerability_id": "VCID-tmjw-8cdt-7yf7", "summary": "", "aliases": [ { "alias": "CVE-2026-34520" }, { "alias": "GHSA-63hf-3vf5-4wqf" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/570943?format=api", "purl": "pkg:pypi/aiohttp@3.13.4", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/aiohttp@3.13.4" } ], "affected_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/61513?format=api", "purl": "pkg:pypi/aiohttp@3.13.3", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-19q4-vzzb-8uca" }, { "vulnerability": "VCID-5f1f-mrwv-zucz" }, { "vulnerability": "VCID-cg9h-fysf-xygf" }, { "vulnerability": "VCID-dr2r-7qda-tfh5" }, { "vulnerability": "VCID-drqp-x9gc-2qd3" }, { "vulnerability": "VCID-g4rj-1kzy-pkft" }, { "vulnerability": "VCID-hyh4-58xy-xfge" }, { "vulnerability": "VCID-kf4p-q9n9-ayhn" }, { "vulnerability": "VCID-qt9z-6kwe-wbht" }, { "vulnerability": "VCID-tmjw-8cdt-7yf7" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/aiohttp@3.13.3" } ], "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-34520.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "3.7", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-34520.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2026-34520", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00042", "scoring_system": "epss", "scoring_elements": "0.13027", "published_at": "2026-04-04T12:55:00Z" }, { "value": "0.00045", "scoring_system": "epss", "scoring_elements": "0.13732", "published_at": "2026-04-02T12:55:00Z" }, { "value": "0.00055", "scoring_system": "epss", "scoring_elements": "0.17325", "published_at": "2026-04-07T12:55:00Z" }, { "value": "0.00055", "scoring_system": "epss", "scoring_elements": "0.17329", "published_at": "2026-04-16T12:55:00Z" }, { "value": "0.00055", "scoring_system": "epss", "scoring_elements": "0.17387", "published_at": "2026-04-13T12:55:00Z" }, { "value": "0.00055", "scoring_system": "epss", "scoring_elements": "0.17441", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.00055", "scoring_system": "epss", "scoring_elements": "0.17488", "published_at": "2026-04-11T12:55:00Z" }, { "value": "0.00055", "scoring_system": "epss", "scoring_elements": "0.17476", "published_at": "2026-04-09T12:55:00Z" }, { "value": "0.00055", "scoring_system": "epss", "scoring_elements": "0.17416", "published_at": "2026-04-08T12:55:00Z" }, { "value": "0.00057", "scoring_system": "epss", "scoring_elements": "0.17948", "published_at": "2026-04-21T12:55:00Z" }, { "value": "0.00057", "scoring_system": "epss", "scoring_elements": "0.17912", "published_at": "2026-04-18T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-34520" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-34520", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-34520" }, { "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:L/A:N" } ], "url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml" }, { "reference_url": "https://github.com/aio-libs/aiohttp", "reference_id": "", "reference_type": "", "scores": [ { "value": "9.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H" }, { "value": "2.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/aio-libs/aiohttp" }, { "reference_url": "https://github.com/aio-libs/aiohttp/commit/9370b9714a7a56003cacd31a9b4ae16eab109ba4", "reference_id": "", "reference_type": "", "scores": [ { "value": "9.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H" }, { "value": "2.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U" }, { "value": "LOW", "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/2026-04-04T03:13:19Z/" } ], "url": "https://github.com/aio-libs/aiohttp/commit/9370b9714a7a56003cacd31a9b4ae16eab109ba4" }, { "reference_url": "https://github.com/aio-libs/aiohttp/releases/tag/v3.13.4", "reference_id": "", "reference_type": "", "scores": [ { "value": "9.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H" }, { "value": "2.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U" }, { "value": "LOW", "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/2026-04-04T03:13:19Z/" } ], "url": "https://github.com/aio-libs/aiohttp/releases/tag/v3.13.4" }, { "reference_url": "https://github.com/aio-libs/aiohttp/security/advisories/GHSA-63hf-3vf5-4wqf", "reference_id": "", "reference_type": "", "scores": [ { "value": "9.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H" }, { "value": "LOW", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" }, { "value": "2.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U" }, { "value": "LOW", "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/2026-04-04T03:13:19Z/" } ], "url": "https://github.com/aio-libs/aiohttp/security/advisories/GHSA-63hf-3vf5-4wqf" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2026-34520", "reference_id": "", "reference_type": "", "scores": [ { "value": "9.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H" }, { "value": "2.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-34520" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1132582", "reference_id": "1132582", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1132582" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=2454094", "reference_id": "2454094", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2454094" }, { "reference_url": "https://github.com/advisories/GHSA-63hf-3vf5-4wqf", "reference_id": "GHSA-63hf-3vf5-4wqf", "reference_type": "", "scores": [ { "value": "LOW", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-63hf-3vf5-4wqf" } ], "weaknesses": [ { "cwe_id": 113, "name": "Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')", "description": "The product receives data from an HTTP agent/component (e.g., web server, proxy, browser, etc.), but it does not neutralize or incorrectly neutralizes CR and LF characters before the data is included in outgoing HTTP headers." }, { "cwe_id": 1286, "name": "Improper Validation of Syntactic Correctness of Input", "description": "The product receives input that is expected to be well-formed - i.e., to comply with a certain syntax - but it does not validate or incorrectly validates that the input complies with the syntax." } ], "exploits": [], "severity_range_score": "0.1 - 9.1", "exploitability": "0.5", "weighted_severity": "8.2", "risk_score": 4.1, "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-tmjw-8cdt-7yf7" }