{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-56304", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-06-20T12:53:19.893Z", "datePublished": "2026-06-20T15:24:46.782Z", "dateUpdated": "2026-06-24T17:58:56.491Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-06-20T15:24:46.782Z"}, "datePublic": "2026-02-02T00:00:00.000Z", "title": "picklescan - Arbitrary File Creation via logging.FileHandler Deserialization", "descriptions": [{"lang": "en", "value": "picklescan before 1.0.1 contains an unsafe pickle deserialization vulnerability allowing unauthenticated attackers to create arbitrary zero-byte files via logging.FileHandler class instantiation. Attackers can exploit this by crafting malicious pickle payloads to bypass RCE blocklists and create lock files or other filesystem artifacts, potentially causing denial of service or application disruption."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Deserialization of Untrusted Data", "cweId": "CWE-502", "type": "CWE"}]}], "affected": [{"vendor": "picklescan", "product": "picklescan", "defaultStatus": "unaffected", "packageURL": "pkg:pypi/picklescan", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "1.0.1"}, {"version": "1.0.1", "status": "unaffected", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:mmaitre314:picklescan:*:*:*:*:*:*:*:*", "versionEndExcluding": "1.0.1"}]}]}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "baseScore": 6.9, "baseSeverity": "MEDIUM", "exploitMaturity": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS"}, {"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L", "version": "3.1"}, "format": "CVSS"}], "references": [{"url": "https://github.com/mmaitre314/picklescan/security/advisories/GHSA-m7j5-r2p5-c39r", "name": "GHSA Advisory GHSA-m7j5-r2p5-c39r", "tags": ["vendor-advisory"]}, {"name": "VulnCheck Advisory: picklescan - Arbitrary File Creation via logging.FileHandler Deserialization", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/picklescan-arbitrary-file-creation-via-logging-filehandler-deserialization"}], "credits": [{"lang": "en", "value": "ez-lbz", "type": "reporter"}], "x_generator": {"engine": "vulncheck"}}, "adp": [{"references": [{"url": "https://github.com/mmaitre314/picklescan/security/advisories/GHSA-m7j5-r2p5-c39r", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-06-24T17:58:36.424315Z", "id": "CVE-2026-56304", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"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": "2026-06-24T17:58:56.491Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-56304", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-24T17:58:36.424315Z"}}}], "references": [{"url": "https://github.com/mmaitre314/picklescan/security/advisories/GHSA-m7j5-r2p5-c39r", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-24T17:58:12.663Z"}}], "cna": {"title": "picklescan - Arbitrary File Creation via logging.FileHandler Deserialization", "credits": [{"lang": "en", "type": "reporter", "value": "ez-lbz"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 6.9, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "LOW", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}}, {"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}], "affected": [{"vendor": "picklescan", "product": "picklescan", "versions": [{"status": "affected", "version": "0", "lessThan": "1.0.1", "versionType": "semver"}, {"status": "unaffected", "version": "1.0.1", "versionType": "semver"}], "packageURL": "pkg:pypi/picklescan", "defaultStatus": "unaffected"}], "datePublic": "2026-02-02T00:00:00.000Z", "references": [{"url": "https://github.com/mmaitre314/picklescan/security/advisories/GHSA-m7j5-r2p5-c39r", "name": "GHSA Advisory GHSA-m7j5-r2p5-c39r", "tags": ["vendor-advisory"]}, {"url": "https://www.vulncheck.com/advisories/picklescan-arbitrary-file-creation-via-logging-filehandler-deserialization", "name": "VulnCheck Advisory: picklescan - Arbitrary File Creation via logging.FileHandler Deserialization", "tags": ["third-party-advisory"]}], "x_generator": {"engine": "vulncheck"}, "descriptions": [{"lang": "en", "value": "picklescan before 1.0.1 contains an unsafe pickle deserialization vulnerability allowing unauthenticated attackers to create arbitrary zero-byte files via logging.FileHandler class instantiation. Attackers can exploit this by crafting malicious pickle payloads to bypass RCE blocklists and create lock files or other filesystem artifacts, potentially causing denial of service or application disruption."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-502", "description": "Deserialization of Untrusted Data"}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mmaitre314:picklescan:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "1.0.1"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-06-20T15:24:46.782Z"}}}, "cveMetadata": {"cveId": "CVE-2026-56304", "state": "PUBLISHED", "dateUpdated": "2026-06-24T17:58:56.491Z", "dateReserved": "2026-06-20T12:53:19.893Z", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "datePublished": "2026-06-20T15:24:46.782Z", "assignerShortName": "VulnCheck"}, "dataVersion": "5.2"}

{}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.0.1)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "1.0.1"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "picklescan", "source": "cna", "vendor": "picklescan"}, "product": "picklescan", "vendor": "mmaitre314"}], "created": "2026-06-20T17:30:08.392958+00:00", "updated": "2026-06-20T20:45:06.397982+00:00", "vendors": ["mmaitre314", "mmaitre314$PRODUCT$picklescan"]}