CVE-2026-56261: Crawl4AI before 0.8.7 contains a server-side request forgery (SSRF) vulnerability in the Docker API server's /

Q: How do I fix CVE-2026-56261?

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

Q: Is CVE-2026-56261 being exploited?

CVE-2026-56261 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-2026-56261 affect?

CVE-2026-56261 affects crawl4ai. Severity is high (CVSS 8.6). Crawl4AI before 0.8.7 contains a server-side request forgery (SSRF) vulnerability in the Docker API server's /crawl/job and /llm/job endpoints, which accept webhook URLs without destination validation. An attacker can supply webhook URLs po

Q: How urgent is CVE-2026-56261?

Priority 51/100. High severity; Remotely exploitable, no login, no user action; On your watchlist

This month

HIGH 8.6REMOTEWATCHLISTUPGRADE

CVE-2026-56261 is a high-severity flaw (CVSS 8.6) 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 a server-side request forgery (SSRF) vulnerability in the Docker API server's /crawl/job and /llm/job endpoints, which accept webhook URLs without destination validation. An attacker can supply webhook URLs pointing to private or internal IP ranges, Docker networks, or cloud metadata endpoints (e.g. 169.254.169.254), causing the server to make requests to internal services and potentially expose cloud metadata.

Why this priority

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

A fixed release or distro patch exists.

Risk facts

CVSS score	8.6 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 57%)
CISA exploited list	No
Weakness	CWE-918
Published	2026-07-10
Last modified	2026-10-25

Publisher (CNA): VulnCheck · Vendor: kidocode

Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-10 15:16 UTCPublished CVE record published
2026-10-25 15:10 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.

Exact fixes by distribution

Fedora ELN · nginx-mod-headers-more · FIXED · 0.41-1.eln159 · FEDORA-2026-31f55f396a · source

sudo dnf upgrade --advisory=FEDORA-2026-31f55f396a

Fedora 46 · erlang-hex_core · FIXED · 0.21.1-1.fc46 · FEDORA-2026-f3389199ff · source

sudo dnf upgrade --advisory=FEDORA-2026-f3389199ff

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-2026-56261?

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

Is CVE-2026-56261 being exploited?

CVE-2026-56261 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-2026-56261 affect?

CVE-2026-56261 affects crawl4ai. Severity is high (CVSS 8.6). Crawl4AI before 0.8.7 contains a server-side request forgery (SSRF) vulnerability in the Docker API server's /crawl/job and /llm/job endpoints, which accept webhook URLs without destination validation. An attacker can supply webhook URLs po

How urgent is CVE-2026-56261?

Priority 51/100. High severity; Remotely exploitable, no login, no user action; On your watchlist

Software pages

Docker vulnerabilities

References

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