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VulnerabilityPublished

CVE-2026-119119: unclecode crawl4ai · Unthrottled Resource Allocation

Affects unclecode crawl4aiSource CVE Database V5

0
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Not known to be exploited · CVSS 8.7 High : upgrade to 0.9.5 soon.

Data as of 29 Oct 2026, 16:36 UTC

CVSS 4.0 base score
8.7High
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (VulnCheck)CVSS 4.08.7
CNA (VulnCheck)CVSS 3.17.5
Patch
Available – fixed in 0.9.5
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 29 Oct 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 29 Oct 2026.

What to do

Upgrade unclecode crawl4ai to 0.9.5.

Affected software

ProductAffectedFixed in
unclecodecrawl4aiAffected
  • <0.9.5
Fixed in
  • 0.9.5
PyPIcrawl4aipkg:pypi/crawl4aiOther threatsAffected
  • <0.9.5
Fixed in
  • 0.9.5

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

AI-suggested

Upgrade to Crawl4AI version 0.9.5 or later, where this vulnerability is fixed. No other mitigation is indicated or required as the fix addresses the root cause.

Description

Crawl4AI versions before 0.9.5 have a denial of service vulnerability in the Docker API server. The vulnerability arises because the _clamp_untrusted() function does not properly limit certain delay parameters in untrusted CrawlerRunConfig inputs. This allows unauthenticated attackers to send large values to specific endpoints, exhausting resources and blocking other crawling operations.

References

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