CVE-2026-109239

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Source
https://cve.org/CVERecord?id=CVE-2026-109239
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-109239.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-109239
Aliases
  • GHSA-f77g-77vp-r96v
Published
2026-10-12T16:04:16Z
Modified
2026-10-13T02:45:54Z
Severity
  • 6.9 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N CVSS Calculator
Summary
Crawl4AI before 0.9.4 Blind SSRF via RobotsParser.can_fetch robots.txt Fetch
Details

Crawl4AI before 0.9.4 contains a blind server-side request forgery vulnerability in RobotsParser.can_fetch that lets unauthenticated attackers bypass Docker server egress controls. Attackers can enable check_robots_txt and use redirects or DNS rebinding to reach internal, loopback, or cloud-metadata addresses for service discovery.

Database specific 
{
    "cna_assigner":  "VulnCheck",
    "cwe_ids":  [
        "CWE-918"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109239.json"
}
References

Affected packages

Git / github.com/unclecode/crawl4ai

Affected ranges

Type
GIT
Repo
https://github.com/unclecode/crawl4ai
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
133e1d92e37885dfccc03ea2e3687d06c98b7ceb
Database specific
Show details 
{
    "extracted_events":  [
        {
            "introduced":  "0"
        },
        {
            "fixed":  "0.9.4"
        }
    ],
    "source":  "AFFECTED_FIELD"
}

Affected versions

0.*
0.3.4
docker-rebuild-v0.*
docker-rebuild-v0.8.6
docker-rebuild-v0.8.7
docker-rebuild-v0.8.8
docker-rebuild-v0.8.9
docker-rebuild-v0.9.0
v.*
v.3.72
v0.*
v0.0.75
v0.1.0
v0.2.0
v0.2.1
v0.2.4
v0.2.6
v0.2.7
v0.2.71
v0.2.72
v0.2.73
v0.2.74
v0.2.77
v0.3.0
v0.3.3
v0.3.6
v0.3.745
v0.4.24
v0.4.243
v0.5.0.post1
v0.6.3
v0.7.0
v0.7.1
v0.7.2
v0.7.3
v0.7.4
v0.8.6
v0.8.7
v0.8.8
v0.8.9
v0.9.0
vr0.*
vr0.6.0
vr0.6.0rc1
vr0.6.3

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-109239.json"