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VulnerabilityPublished

CVE-2026-56260: Crawl4AI versions before 0.8.7 have an arbitrary file write vulnerability in the Docker API server's

Affects crawl4aiSource GCVE Database

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Not known to be exploited · CVSS 9.1 Critical : upgrade to 0.8.7 as a priority.

Data as of 30 Oct 2026, 20:25 UTC

CVSS 3.1 base score
9.1Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.6% chance of exploitation in 30 days – higher than 51% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 0.8.7
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 12 Jul 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

What to do

Upgrade unclecode/crawl4ai to 0.8.7.

Affected software

ProductAffectedFixed in
GitHubunclecode/crawl4aipkg:github/unclecode/crawl4aiOther threatsAffected
  • <0.8.7
Fixed in
  • 0.8.7

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

If you cannot patch yet, restrict access to the affected endpoints and limit the application's file system permissions to minimize potential damage from exploitation.

Description

Crawl4AI versions before 0.8.7 have an arbitrary file write vulnerability in the Docker API server's /screenshot and /pdf endpoints. The vulnerability arises because the output_path parameter does not validate input, allowing attackers to write files to arbitrary locations accessible by the application user. This can lead to overwriting server files and cause denial of service.

References

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