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CVE-2026-56258

Crawl4AI before 0.8.8 contains an arbitrary file write vulnerability in the screenshot and PDF endpoints that allows unauthenticated attackers to write files outside the intended directory via symlink and time-of-check-time-of-use (TOCTOU) attacks on the output_path parameter. Remote attackers can exploit insufficient path validation and symlink following to achieve arbitrary file write and potential code execution on systems where the runtime user has write access to executable or cron location
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:826831f9d5b6542bea68c5f0bddb8a83a69b5098a5610da6edc1baca450879a9
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":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:5675cdb60946eff551fa814cf5f95f6cf52b5238195a700bd1f7e9d675b93990 · sha256:57cb3216ae850739… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"attackComplexity":"HIGH","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":9.2,"baseSeverity":"CRITICAL","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:5675cdb60946eff551fa814cf5f95f6cf52b5238195a700bd1f7e9d675b93990 · sha256:57cb3216ae850739… · /containers/cna/metrics/0/cvssV4_0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","packageURL":"pkg:pypi/crawl4ai","product":"Crawl4AI","vendor":"Crawl4AI","versions":[{"lessThan":"0.8.8","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"0.8.8","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5675cdb60946eff551fa814cf5f95f6cf52b5238195a700bd1f7e9d675b93990 · sha256:57cb3216ae850739… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:5675cdb60946eff551fa814cf5f95f6cf52b5238195a700bd1f7e9d675b93990 · sha256:57cb3216ae850739… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"attackComplexity":"HIGH","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":9.2,"baseSeverity":"CRITICAL","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:5675cdb60946eff551fa814cf5f95f6cf52b5238195a700bd1f7e9d675b93990 · sha256:57cb3216ae850739… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-22","description":"Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5675cdb60946eff551fa814cf5f95f6cf52b5238195a700bd1f7e9d675b93990 · sha256:57cb3216ae850739… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"GitHub Security Advisory (GHSA-7cx2-g3h9-382p)","tags":["vendor-advisory"],"url":"https://github.com/unclecode/crawl4ai/security/advisories/GHSA-7cx2-g3h9-382p"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5675cdb60946eff551fa814cf5f95f6cf52b5238195a700bd1f7e9d675b93990 · sha256:57cb3216ae850739… · /containers/cna/references/0
{"name":"VulnCheck Advisory: Crawl4AI - Arbitrary File Write via output_path Symlink and TOCTOU","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/crawl4ai-arbitrary-file-write-via-output-path-symlink-and-toctou"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5675cdb60946eff551fa814cf5f95f6cf52b5238195a700bd1f7e9d675b93990 · sha256:57cb3216ae850739… · /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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