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CVE-2026-56304

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:45d04e0b79f883a7265e93e4f83fccd0afae435bbcc7e0d5c5cd73b85a1525d3
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 2 assertions

{"metric":{"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":…

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:3e6a07995bbc088c7c955f17115547f4f16c1612daac9202adbaed32ca87317b · sha256:aead9507c1468437… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"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"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:3e6a07995bbc088c7c955f17115547f4f16c1612daac9202adbaed32ca87317b · sha256:aead9507c1468437… · /containers/cna/metrics/1/cvssV3_1

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","packageURL":"pkg:pypi/picklescan","product":"picklescan","vendor":"picklescan","versions":[{"lessThan":"1.0.1","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"1.0.1","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3e6a07995bbc088c7c955f17115547f4f16c1612daac9202adbaed32ca87317b · sha256:aead9507c1468437… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"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":…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:3e6a07995bbc088c7c955f17115547f4f16c1612daac9202adbaed32ca87317b · sha256:aead9507c1468437… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"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"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:3e6a07995bbc088c7c955f17115547f4f16c1612daac9202adbaed32ca87317b · sha256:aead9507c1468437… · /containers/cna/metrics/1/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-502","description":"Deserialization of Untrusted Data","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:3e6a07995bbc088c7c955f17115547f4f16c1612daac9202adbaed32ca87317b · sha256:aead9507c1468437… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"GHSA Advisory GHSA-m7j5-r2p5-c39r","tags":["vendor-advisory"],"url":"https://github.com/mmaitre314/picklescan/security/advisories/GHSA-m7j5-r2p5-c39r"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3e6a07995bbc088c7c955f17115547f4f16c1612daac9202adbaed32ca87317b · sha256:aead9507c1468437… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/mmaitre314/picklescan/security/advisories/GHSA-m7j5-r2p5-c39r"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3e6a07995bbc088c7c955f17115547f4f16c1612daac9202adbaed32ca87317b · sha256:aead9507c1468437… · /containers/adp/0/references/0
{"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"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3e6a07995bbc088c7c955f17115547f4f16c1612daac9202adbaed32ca87317b · sha256:aead9507c1468437… · /containers/cna/references/1

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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