{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-73030", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-08-10T18:48:59.022Z", "datePublished": "2026-08-10T20:09:44.641Z", "dateUpdated": "2026-08-11T17:16:13.975Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-08-10T20:09:44.641Z"}, "title": "unearth 0.18.2 Path Traversal via Unnormalized Paths and Symlink Escape", "descriptions": [{"lang": "en", "value": "unearth through 0.18.2, fixed in commit 6c78164, contains a path traversal vulnerability in the is_within_directory function that fails to normalize paths before validation, allowing ../ sequences to bypass directory containment checks. Attackers can supply malicious tar archives with symlink members or traversal sequences to write files to arbitrary filesystem locations accessible to the process."}], "tags": ["x_open-source"], "datePublic": "2026-07-28T00:00:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-22", "description": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "type": "CWE"}]}], "affected": [{"vendor": "frostming", "product": "unearth", "defaultStatus": "affected", "packageURL": "pkg:github/frostming/unearth", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "0.18.2"}, {"status": "unaffected", "version": "6c78164e7bfa28b8b3d6f247b87e560692e3c8ba", "versionType": "git"}], "repo": "https://github.com/frostming/unearth"}], "cpeApplicability": [{"nodes": [{"operator": "OR", "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:frostming:unearth:0.12.1:*:*:*:*:python:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:frostming:unearth:0.12.0:*:*:*:*:python:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:frostming:unearth:0.11.2:*:*:*:*:python:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:frostming:unearth:0.11.1:*:*:*:*:python:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:frostming:unearth:0.11.0:*:*:*:*:python:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:frostming:unearth:0.10.0:*:*:*:*:python:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:frostming:unearth:0.9.3:*:*:*:*:python:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:frostming:unearth:0.9.2:*:*:*:*:python:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:frostming:unearth:0.9.1:*:*:*:*:python:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:frostming:unearth:0.9.0:*:*:*:*:python:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:frostming:unearth:0.8.1:*:*:*:*:python:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:frostming:unearth:0.8.0:*:*:*:*:python:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:frostming:unearth:0.7.2:*:*:*:*:python:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:frostming:unearth:0.7.1:*:*:*:*:python:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:frostming:unearth:0.7.0:*:*:*:*:python:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:frostming:unearth:0.6.3:*:*:*:*:python:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:frostming:unearth:0.6.2:*:*:*:*:python:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:frostming:unearth:0.6.1:*:*:*:*:python:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:frostming:unearth:0.6.0:*:*:*:*:python:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:frostming:unearth:0.5.2:*:*:*:*:python:*:*"}]}]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "HIGH", "baseScore": 7.2, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N"}}, {"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "version": "3.1", "baseSeverity": "HIGH", "baseScore": 8.1, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H"}}], "references": [{"url": "https://github.com/frostming/unearth/issues/180", "tags": ["technical-description", "exploit"], "name": "Researcher Disclosure"}, {"url": "https://github.com/frostming/unearth/pull/181", "tags": ["issue-tracking"], "name": "Pull Request"}, {"url": "https://github.com/frostming/unearth/commit/6c78164e7bfa28b8b3d6f247b87e560692e3c8ba", "name": "Patch Commit", "tags": ["patch"]}, {"url": "https://www.vulncheck.com/advisories/unearth-path-traversal-via-unnormalized-paths-and-symlink-escape", "tags": ["third-party-advisory"]}], "credits": [{"lang": "en", "value": "YU SUN", "type": "finder"}], "x_generator": {"engine": "vulncheck-endgame"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-08-11T17:16:01.368745Z", "id": "CVE-2026-73030", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-11T17:16:13.975Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"cna": {"tags": ["x_open-source"], "title": "unearth 0.18.2 Path Traversal via Unnormalized Paths and Symlink Escape", "credits": [{"lang": "en", "type": "finder", "value": "YU SUN"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 7.2, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "PASSIVE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}, {"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"repo": "https://github.com/frostming/unearth", "vendor": "frostming", "product": "unearth", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "0.18.2"}, {"status": "unaffected", "version": "6c78164e7bfa28b8b3d6f247b87e560692e3c8ba", "versionType": "git"}], "packageURL": "pkg:github/frostming/unearth", "defaultStatus": "affected"}], "datePublic": "2026-07-28T00:00:00.000Z", "references": [{"url": "https://github.com/frostming/unearth/issues/180", "name": "Researcher Disclosure", "tags": ["technical-description", "exploit"]}, {"url": "https://github.com/frostming/unearth/pull/181", "name": "Pull Request", "tags": ["issue-tracking"]}, {"url": "https://github.com/frostming/unearth/commit/6c78164e7bfa28b8b3d6f247b87e560692e3c8ba", "name": "Patch Commit", "tags": ["patch"]}, {"url": "https://www.vulncheck.com/advisories/unearth-path-traversal-via-unnormalized-paths-and-symlink-escape", "tags": ["third-party-advisory"]}], "x_generator": {"engine": "vulncheck-endgame"}, "descriptions": [{"lang": "en", "value": "unearth through 0.18.2, fixed in commit 6c78164, contains a path traversal vulnerability in the is_within_directory function that fails to normalize paths before validation, allowing ../ sequences to bypass directory containment checks. Attackers can supply malicious tar archives with symlink members or traversal sequences to write files to arbitrary filesystem locations accessible to the process."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-22", "description": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')"}]}], "cpeApplicability": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:frostming:unearth:0.12.1:*:*:*:*:python:*:*", "vulnerable": true}, {"criteria": "cpe:2.3:a:frostming:unearth:0.12.0:*:*:*:*:python:*:*", "vulnerable": true}, {"criteria": "cpe:2.3:a:frostming:unearth:0.11.2:*:*:*:*:python:*:*", "vulnerable": true}, {"criteria": "cpe:2.3:a:frostming:unearth:0.11.1:*:*:*:*:python:*:*", "vulnerable": true}, {"criteria": "cpe:2.3:a:frostming:unearth:0.11.0:*:*:*:*:python:*:*", "vulnerable": true}, {"criteria": "cpe:2.3:a:frostming:unearth:0.10.0:*:*:*:*:python:*:*", "vulnerable": true}, {"criteria": "cpe:2.3:a:frostming:unearth:0.9.3:*:*:*:*:python:*:*", "vulnerable": true}, {"criteria": "cpe:2.3:a:frostming:unearth:0.9.2:*:*:*:*:python:*:*", "vulnerable": true}, {"criteria": "cpe:2.3:a:frostming:unearth:0.9.1:*:*:*:*:python:*:*", "vulnerable": true}, {"criteria": "cpe:2.3:a:frostming:unearth:0.9.0:*:*:*:*:python:*:*", "vulnerable": true}, {"criteria": "cpe:2.3:a:frostming:unearth:0.8.1:*:*:*:*:python:*:*", "vulnerable": true}, {"criteria": "cpe:2.3:a:frostming:unearth:0.8.0:*:*:*:*:python:*:*", "vulnerable": true}, {"criteria": "cpe:2.3:a:frostming:unearth:0.7.2:*:*:*:*:python:*:*", "vulnerable": true}, {"criteria": "cpe:2.3:a:frostming:unearth:0.7.1:*:*:*:*:python:*:*", "vulnerable": true}, {"criteria": "cpe:2.3:a:frostming:unearth:0.7.0:*:*:*:*:python:*:*", "vulnerable": true}, {"criteria": "cpe:2.3:a:frostming:unearth:0.6.3:*:*:*:*:python:*:*", "vulnerable": true}, {"criteria": "cpe:2.3:a:frostming:unearth:0.6.2:*:*:*:*:python:*:*", "vulnerable": true}, {"criteria": "cpe:2.3:a:frostming:unearth:0.6.1:*:*:*:*:python:*:*", "vulnerable": true}, {"criteria": "cpe:2.3:a:frostming:unearth:0.6.0:*:*:*:*:python:*:*", "vulnerable": true}, {"criteria": "cpe:2.3:a:frostming:unearth:0.5.2:*:*:*:*:python:*:*", "vulnerable": true}], "operator": "OR"}]}], "providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-08-10T20:09:44.641Z"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-73030", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-11T17:16:01.368745Z"}}}], "providerMetadata": {"shortName": "CISA-ADP", "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "dateUpdated": "2026-08-11T17:16:08.618Z"}}]}, "cveMetadata": {"cveId": "CVE-2026-73030", "state": "PUBLISHED", "dateUpdated": "2026-08-10T20:09:44.641Z", "dateReserved": "2026-08-10T18:48:59.022Z", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "datePublished": "2026-08-10T20:09:44.641Z", "assignerShortName": "VulnCheck"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "affected", "packageURL": "pkg:github/frostming/unearth", "product": "unearth", "repo": "https://github.com/frostming/unearth", "vendor": "frostming", "versions": [{"lessThanOrEqual": "0.18.2", "status": "affected", "version": "0", "versionType": "semver"}, {"status": "unaffected", "version": "6c78164e7bfa28b8b3d6f247b87e560692e3c8ba", "versionType": "git"}]}], "source": "disclosure@vulncheck.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "unearth through 0.18.2, fixed in commit 6c78164, contains a path traversal vulnerability in the is_within_directory function that fails to normalize paths before validation, allowing ../ sequences to bypass directory containment checks. Attackers can supply malicious tar archives with symlink members or traversal sequences to write files to arbitrary filesystem locations accessible to the process."}], "id": "CVE-2026-73030", "lastModified": "2026-08-11T18:18:25.960", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.2, "source": "disclosure@vulncheck.com", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.2, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-73030", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-11T17:16:01.368745Z", "version": "2.0.3"}}]}, "published": "2026-08-10T21:17:26.450", "references": [{"source": "disclosure@vulncheck.com", "url": "https://github.com/frostming/unearth/commit/6c78164e7bfa28b8b3d6f247b87e560692e3c8ba"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/frostming/unearth/issues/180"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/frostming/unearth/pull/181"}, {"source": "disclosure@vulncheck.com", "url": "https://www.vulncheck.com/advisories/unearth-path-traversal-via-unnormalized-paths-and-symlink-escape"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}], "source": "disclosure@vulncheck.com", "type": "Secondary"}]}

{}