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

Q: How do I fix CVE-2026-56260?

crawl4ai: upgrade to 0.8.7. Exact commands for each OS are on this page.

Q: Is CVE-2026-56260 being exploited?

CVE-2026-56260 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-56260 affect?

CVE-2026-56260 affects crawl4ai. Severity is critical (CVSS 9.1). Crawl4AI before 0.8.7 contains an arbitrary file write vulnerability in the Docker API server's /screenshot and /pdf endpoints. The output_path parameter accepts arbitrary filesystem paths without validation, allowing an attacker to supply

Q: How urgent is CVE-2026-56260?

Priority 55/100. Critical severity; Remotely exploitable, no login, no user action; On your watchlist

This month

CRITICAL 9.1REMOTEWATCHLISTUPGRADE

CVE-2026-56260 is a critical-severity flaw (CVSS 9.1) affecting crawl4ai. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Crawl4AI before 0.8.7 contains an arbitrary file write vulnerability in the Docker API server's /screenshot and /pdf endpoints. The output_path parameter accepts arbitrary filesystem paths without validation, allowing an attacker to supply absolute or path-traversal values to write to any location writable by the application's user, overwriting server files and causing denial of service.

Why this priority

Critical severity
Remotely exploitable, no login, no user action
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	9.1 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 49%)
CISA exploited list	No
Weakness	CWE-22
Published	2026-07-12
Last modified	2026-07-14

Publisher (CNA): VulnCheck · Vendor: kidocode

Last updated 2026-07-14 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-12 12:16 UTCPublished CVE record published
2026-07-14 18:25 UTCUpdated Record last modified

kidocode crawl4ai UPGRADE

Affected: < 0.8.7

Fixed in: 0.8.7

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy crawl4ai || rpm -q crawl4ai || crawl4ai --version

2. UPGRADE to 0.8.7 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade crawl4ai

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade crawl4ai

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-56260?

crawl4ai: upgrade to 0.8.7. Exact commands for each OS are on this page.

Is CVE-2026-56260 being exploited?

CVE-2026-56260 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-56260 affect?

CVE-2026-56260 affects crawl4ai. Severity is critical (CVSS 9.1). Crawl4AI before 0.8.7 contains an arbitrary file write vulnerability in the Docker API server's /screenshot and /pdf endpoints. The output_path parameter accepts arbitrary filesystem paths without validation, allowing an attacker to supply

How urgent is CVE-2026-56260?

Priority 55/100. Critical severity; Remotely exploitable, no login, no user action; On your watchlist

Software pages

Docker vulnerabilities

Related CVEs

CVE-2026-53753 CRITICAL 9.8 UPGRADE Crawl4AI is an open-source LLM friendly web crawler & scraper
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CVE-2026-56266 HIGH 8.6 UPGRADE Crawl4AI before 0.8.7 contains a server-side request forgery vulnerability in the /crawl, /crawl/stream, /md,
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References

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