CVE-2026-56265

CRITICAL
INFO Priority: 0.25 BB Relevance: 79/100
Published: 2026-06-21 Modified: 2026-11-08 First seen: 2026-11-08 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
AT: None
VC: High
VI: High
VA: High

Description

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.

Affected Software (1)

VendorProductVersion
Crawl4AI Crawl4AI 0 < 0.8.7

Bug Bounty Relevance

79 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

9.3 / 10.0 v4.0
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

EPSS — Exploitation Probability

2.64%
Raw Score 0.026390
Percentile 85.8%
Date 2026-11-13

EPSS Trend

2026-11-13
0.02639
2026-11-12
0.02639
2026-11-10
0.02639
2026-11-09
0.02639
2026-11-08
0.02639

Intelligence Sources

mitre ref →