Vulnerability Instance
Lookup for vulnerabilities affecting packages.
GET /api/vulnerabilities/348863?format=api
{ "url": "http://public2.vulnerablecode.io/api/vulnerabilities/348863?format=api", "vulnerability_id": "VCID-zdq3-uku1-c7du", "summary": "A flaw has been found in janmojzis tinyssh up to 20250501. Impacted is an unknown function of the file tinyssh/crypto_sign_ed25519_tinyssh.c of the component Ed25519 Signature Handler. This manipulation causes improper verification of cryptographic signature. The attack is restricted to local execution. The attack's complexity is rated as high. The exploitability is considered difficult. The exploit has been published and may be used. Upgrading to version 20260301 is recommended to address this issue. Patch name: 9c87269607e0d7d20174df742accc49c042cff17. Upgrading the affected component is recommended. If you want to get best quality of vulnerability data, you may have to visit VulDB.", "aliases": [ { "alias": "CVE-2026-4541" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/941243?format=api", "purl": "pkg:deb/debian/tinyssh@0?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/tinyssh@0%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/941238?format=api", "purl": "pkg:deb/debian/tinyssh@20190101-1%2Bdeb11u1?distro=trixie", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-jzn6-bzzf-nugp" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/tinyssh@20190101-1%252Bdeb11u1%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/941239?format=api", "purl": "pkg:deb/debian/tinyssh@20230101-1?distro=trixie", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-jzn6-bzzf-nugp" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/tinyssh@20230101-1%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/941244?format=api", "purl": "pkg:deb/debian/tinyssh@20260301-1?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/tinyssh@20260301-1%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/994820?format=api", "purl": "pkg:deb/debian/tinyssh@20260401-1", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/tinyssh@20260401-1" }, { "url": "http://public2.vulnerablecode.io/api/packages/941240?format=api", "purl": "pkg:deb/debian/tinyssh@20260401-1?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/tinyssh@20260401-1%3Fdistro=trixie" } ], "affected_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/941242?format=api", "purl": "pkg:deb/debian/tinyssh@20250501-1?distro=trixie", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-zdq3-uku1-c7du" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/tinyssh@20250501-1%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/994819?format=api", "purl": "pkg:deb/debian/tinyssh@20250501-1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-zdq3-uku1-c7du" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/tinyssh@20250501-1" } ], "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2026-4541", "reference_id": "", "reference_type": "", "scores": [ { "value": "2e-05", "scoring_system": "epss", "scoring_elements": "0.0004", "published_at": "2026-05-05T12:55:00Z" }, { "value": "2e-05", "scoring_system": "epss", "scoring_elements": "0.00033", "published_at": "2026-04-21T12:55:00Z" }, { "value": "2e-05", "scoring_system": "epss", "scoring_elements": "0.00039", "published_at": "2026-04-29T12:55:00Z" }, { "value": "3e-05", "scoring_system": "epss", "scoring_elements": "0.00091", "published_at": "2026-04-08T12:55:00Z" }, { "value": "3e-05", "scoring_system": "epss", "scoring_elements": "0.00092", "published_at": "2026-04-09T12:55:00Z" }, { "value": "3e-05", "scoring_system": "epss", "scoring_elements": "0.00094", "published_at": "2026-04-02T12:55:00Z" }, { "value": "3e-05", "scoring_system": "epss", "scoring_elements": "0.0009", "published_at": "2026-04-18T12:55:00Z" }, { "value": "3e-05", "scoring_system": "epss", "scoring_elements": "0.00093", "published_at": "2026-04-13T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-4541" }, { "reference_url": "https://github.com/janmojzis/tinyssh/issues/101", "reference_id": "101", "reference_type": "", "scores": [ { "value": "1", "scoring_system": "cvssv2", "scoring_elements": "AV:L/AC:H/Au:S/C:N/I:P/A:N/E:POC/RL:OF/RC:C" }, { "value": "2.5", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C" }, { "value": "2.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C" }, { "value": "2", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2026-03-23T15:33:32Z/" } ], "url": "https://github.com/janmojzis/tinyssh/issues/101" }, { "reference_url": "https://github.com/janmojzis/tinyssh/issues/101#issue-3983586116", "reference_id": "101#issue-3983586116", "reference_type": "", "scores": [ { "value": "1", "scoring_system": "cvssv2", "scoring_elements": "AV:L/AC:H/Au:S/C:N/I:P/A:N/E:POC/RL:OF/RC:C" }, { "value": "2.5", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C" }, { "value": "2.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C" }, { "value": "2", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2026-03-23T15:33:32Z/" } ], "url": "https://github.com/janmojzis/tinyssh/issues/101#issue-3983586116" }, { "reference_url": "https://github.com/janmojzis/tinyssh/pull/102", "reference_id": "102", "reference_type": "", "scores": [ { "value": "1", "scoring_system": "cvssv2", "scoring_elements": "AV:L/AC:H/Au:S/C:N/I:P/A:N/E:POC/RL:OF/RC:C" }, { "value": "2.5", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C" }, { "value": "2.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C" }, { "value": "2", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2026-03-23T15:33:32Z/" } ], "url": "https://github.com/janmojzis/tinyssh/pull/102" }, { "reference_url": "https://github.com/janmojzis/tinyssh/releases/tag/20260301", "reference_id": "20260301", "reference_type": "", "scores": [ { "value": "1", "scoring_system": "cvssv2", "scoring_elements": "AV:L/AC:H/Au:S/C:N/I:P/A:N/E:POC/RL:OF/RC:C" }, { "value": "2.5", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C" }, { "value": "2.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C" }, { "value": "2", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2026-03-23T15:33:32Z/" } ], "url": "https://github.com/janmojzis/tinyssh/releases/tag/20260301" }, { "reference_url": "https://vuldb.com/vuln/352358", "reference_id": "352358", "reference_type": "", "scores": [ { "value": "1", "scoring_system": "cvssv2", "scoring_elements": "AV:L/AC:H/Au:S/C:N/I:P/A:N/E:POC/RL:OF/RC:C" }, { "value": "2.5", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C" }, { "value": "2.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C" }, { "value": "2", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2026-03-23T15:33:32Z/" } ], "url": "https://vuldb.com/vuln/352358" }, { "reference_url": "https://vuldb.com/submit/774687", "reference_id": "774687", "reference_type": "", "scores": [ { "value": "1", "scoring_system": "cvssv2", "scoring_elements": "AV:L/AC:H/Au:S/C:N/I:P/A:N/E:POC/RL:OF/RC:C" }, { "value": "2.5", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C" }, { "value": "2.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C" }, { "value": "2", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2026-03-23T15:33:32Z/" } ], "url": "https://vuldb.com/submit/774687" }, { "reference_url": "https://github.com/janmojzis/tinyssh/commit/9c87269607e0d7d20174df742accc49c042cff17", "reference_id": "9c87269607e0d7d20174df742accc49c042cff17", "reference_type": "", "scores": [ { "value": "1", "scoring_system": "cvssv2", "scoring_elements": "AV:L/AC:H/Au:S/C:N/I:P/A:N/E:POC/RL:OF/RC:C" }, { "value": "2.5", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C" }, { "value": "2.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C" }, { "value": "2", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2026-03-23T15:33:32Z/" } ], "url": "https://github.com/janmojzis/tinyssh/commit/9c87269607e0d7d20174df742accc49c042cff17" }, { "reference_url": "https://vuldb.com/vuln/352358/cti", "reference_id": "cti", "reference_type": "", "scores": [ { "value": "1", "scoring_system": "cvssv2", "scoring_elements": "AV:L/AC:H/Au:S/C:N/I:P/A:N/E:POC/RL:OF/RC:C" }, { "value": "2.5", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C" }, { "value": "2.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C" }, { "value": "2", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2026-03-23T15:33:32Z/" } ], "url": "https://vuldb.com/vuln/352358/cti" }, { "reference_url": "https://vuldb.com/?ctiid.352358", "reference_id": "?ctiid.352358", "reference_type": "", "scores": [ { "value": "1", "scoring_system": "cvssv2", "scoring_elements": "AV:L/AC:H/Au:S/C:N/I:P/A:N/E:POC/RL:OF/RC:C" }, { "value": "2.5", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C" }, { "value": "2.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C" }, { "value": "2", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2026-03-23T15:33:32Z/" } ], "url": "https://vuldb.com/?ctiid.352358" }, { "reference_url": "https://vuldb.com/?id.352358", "reference_id": "?id.352358", "reference_type": "", "scores": [ { "value": "1", "scoring_system": "cvssv2", "scoring_elements": "AV:L/AC:H/Au:S/C:N/I:P/A:N/E:POC/RL:OF/RC:C" }, { "value": "2.5", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C" }, { "value": "2.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C" }, { "value": "2", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2026-03-23T15:33:32Z/" } ], "url": "https://vuldb.com/?id.352358" }, { "reference_url": "https://vuldb.com/?submit.774687", "reference_id": "?submit.774687", "reference_type": "", "scores": [ { "value": "1", "scoring_system": "cvssv2", "scoring_elements": "AV:L/AC:H/Au:S/C:N/I:P/A:N/E:POC/RL:OF/RC:C" }, { "value": "2.5", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C" }, { "value": "2.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C" }, { "value": "2", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2026-03-23T15:33:32Z/" } ], "url": "https://vuldb.com/?submit.774687" }, { "reference_url": "https://github.com/janmojzis/tinyssh/", "reference_id": "tinyssh", "reference_type": "", "scores": [ { "value": "1", "scoring_system": "cvssv2", "scoring_elements": "AV:L/AC:H/Au:S/C:N/I:P/A:N/E:POC/RL:OF/RC:C" }, { "value": "2.5", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C" }, { "value": "2.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C" }, { "value": "2", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2026-03-23T15:33:32Z/" } ], "url": "https://github.com/janmojzis/tinyssh/" } ], "weaknesses": [ { "cwe_id": 345, "name": "Insufficient Verification of Data Authenticity", "description": "The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data." }, { "cwe_id": 347, "name": "Improper Verification of Cryptographic Signature", "description": "The product does not verify, or incorrectly verifies, the cryptographic signature for data." } ], "exploits": [], "severity_range_score": "1.0 - 2.5", "exploitability": "0.5", "weighted_severity": "2.2", "risk_score": 1.1, "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-zdq3-uku1-c7du" }