CVE-2026-56265

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Source
https://cve.org/CVERecord?id=CVE-2026-56265
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-56265.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-56265
Aliases
Published
2026-06-21T13:26:54.840Z
Modified
2026-07-09T16:56:25.969346541Z
Severity
  • 9.3 (Critical) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVSS Calculator
Summary
Crawl4AI - Authentication Bypass via Hardcoded JWT Signing Key
Details

Crawl4AI before 0.8.7 contains an authentication bypass vulnerability due to a hardcoded default JWT signing key in the Docker API server. Attackers who know the default key can forge valid authentication tokens for any user, bypassing authentication and gaining full access to protected functionality.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/56xxx/CVE-2026-56265.json",
    "cwe_ids": [
        "CWE-798"
    ],
    "cna_assigner": "VulnCheck"
}
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
7b280d36b150b544bf0994285b4755dca18c2149
Database specific 
{
    "source": [
        "AFFECTED_FIELD",
        "CPE_RANGE"
    ],
    "cpe": "cpe:2.3:a:kidocode:crawl4ai:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "0.8.7"
        }
    ]
}

Affected versions

0.*
0.3.4
docker-rebuild-v0.*
docker-rebuild-v0.8.6
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
vr0.*
vr0.6.0
vr0.6.0rc1
vr0.6.3

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-56265.json"