How severe is CVE-2026-56263?

CVE-2026-56263 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-56263 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-56263?

CVE-2026-56263 affects Kidocode Crawl4ai. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-56263?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-56263 have an EU (EUVD) identifier?

Yes. CVE-2026-56263 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38433.

When was CVE-2026-56263 published?

CVE-2026-56263 was published on 2026-06-23 and last updated on 2026-06-25.

CVE-2026-56263

CVE-2026-56263 is a medium-severity vulnerability in Kidocode Crawl4ai with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v4: 5.3
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-38433
Weakness: CWE-79
Affected product: Kidocode Crawl4ai
Published: 2026-06-23
Last modified: 2026-06-25

Description

Crawl4AI before 0.8.7 contains a stored cross-site scripting vulnerability in the monitor dashboard that renders crawl URLs and error messages via innerHTML without escaping. An attacker can submit a crafted crawl request with malicious markup that executes in an operator's browser when viewing the dashboard.

Frequently asked questions

What is CVE-2026-56263?: Crawl4AI before 0.8.7 contains a stored cross-site scripting vulnerability in the monitor dashboard that renders crawl URLs and error messages via innerHTML without escaping. An attacker can submit a crafted crawl request with malicious markup that executes in an operator's browser when viewing the dashboard.
How severe is CVE-2026-56263?: CVE-2026-56263 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-56263 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-56263?: CVE-2026-56263 affects Kidocode Crawl4ai. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-56263?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-56263 have an EU (EUVD) identifier?: Yes. CVE-2026-56263 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38433.
When was CVE-2026-56263 published?: CVE-2026-56263 was published on 2026-06-23 and last updated on 2026-06-25.

References

Affected products (1)

cpe:2.3:a:kidocode:crawl4ai:*:*:*:*:*:*:*:*

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