CYBERSECURITYTRACKER
Vulnerabilities

CVE-2026-53753

unclecode crawl4ai: Code Injection

What it is

Reported

Crawl4AI: AST Sandbox Escape via gi_frame.f_back Chain - Pre-Auth RCE in Docker API

Source reported · Source: CVE record · Complete source description.
Dates
Source last published: · Source last updated:

What is affected

Reported

unclecode; crawl4ai. Product-level identification only; no affected-version conclusion is available from this field.

Source reported · Source: CVE record
Dates
Source last published: · Source last updated:

Urgency and basis

Tracker computed

Act

Current priority score and EPSS: loading from the tracker record. They are read when this page loads and are not shown without JavaScript. They change daily and are not part of "Source last updated".

Tracker decision tier from the evidence detailed below
Dates
Source last updated:

Exploitation evidence

Reported

listed by a tracked exploitation catalog · VulnCheck KEV

Source reported
Dates
VulnCheck KEV added: · Source last updated:

What to do

Reported

Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Source remediation ↗
Source reported · Tracked source remediation field
Dates
Source last updated:

Detection and validation

Mapped metadata availability only. These signals do not change priority.

  • Sigma

    Not mapped by tracked sources.

  • Atomic

    Not mapped by tracked sources.

  • Nuclei

    Crawl4AI <= 0.8.6 - Remote Code Execution. Check identifier: CVE-2026-53753.

    Open Nuclei metadata
  • Metasploit

    Not mapped by tracked sources.

Evidence detail

Loading the full tracker evidence record…

Glossary