CVE-2026-115508— Crawl4AI 0.7.0 before 0.9.5 ReDoS via /crawl Regex Fields
Quick assessment
Affected
unclecode crawl4ai
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Crawl4AI 0.7.0 至 0.9.5 版本（不含 0.9.5）的 Docker API 服务器中存在一个正则表达式复杂度效率低下的漏洞。该漏洞允许已认证的 API 客户端在 请求的请求体中提交无限制的正则表达式。攻击者可以通过 、 ，或 、 和 模式中的正则表达式字段，向经过构造的页面提交导致灾难性回溯的正则表达式模式，从而致使整个服务器（包括 端点）陷入冻结状态。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-115508
Vulnerability Information
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Vulnerability Title
Crawl4AI 0.7.0 before 0.9.5 ReDoS via /crawl Regex Fields
Source: CVE Program / CVE List V5
Vulnerability Description
Crawl4AI 0.7.0 before 0.9.5 contains an inefficient regular expression complexity vulnerability in the Docker API server that allows authenticated API clients to supply unbounded regular expressions in /crawl request bodies. Attackers can submit catastrophic-backtracking patterns via RegexExtractionStrategy.custom, RegexChunking.patterns or JsonCss, JsonXPath and JsonLxml schema regex fields against a crafted page to freeze the entire server, including /health.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1333
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-115508
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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No public POC found.
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Patches & Fixes for CVE-2026-115508 (1)
Vendor Advisories for CVE-2026-115508 (2)
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🔗 Crawl4AI 0.7.0 before 0.9.5 ReDoS via /crawl Regex Fields | Advisories | VulnCheck third-party-advisory
Vendor Pages for CVE-2026-115508 (1)
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🔗 Release Release v0.9.5 · unclecode/crawl4ai · GitHub release-notes
Other References for CVE-2026-115508 (1)
IV. Related Vulnerabilities
Same product: crawl4ai
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CVE-2026-112363
Crawl4AI 0.8.7 through 0.9.5 SSRF Bypass via SSLCertificate. -
CVE-2026-109238
Crawl4AI 0.7.0 before 0.9.4 SSRF via link_preview_config URL -
CVE-2026-109239
Crawl4AI before 0.9.4 Blind SSRF via RobotsParser.can_fetch -
CVE-2026-109237
Crawl4AI 0.9.0 before 0.9.4 Untrusted Config Gate Bypass Lea -
CVE-2026-91944
crawl4ai before 0.9.3 DOM-based XSS via Playground UI
Same vendor: unclecode
-
CVE-2026-112363
Crawl4AI 0.8.7 through 0.9.5 SSRF Bypass via SSLCertificate. -
CVE-2026-109238
Crawl4AI 0.7.0 before 0.9.4 SSRF via link_preview_config URL -
CVE-2026-109239
Crawl4AI before 0.9.4 Blind SSRF via RobotsParser.can_fetch -
CVE-2026-109237
Crawl4AI 0.9.0 before 0.9.4 Untrusted Config Gate Bypass Lea -
CVE-2026-91944
crawl4ai before 0.9.3 DOM-based XSS via Playground UI
Same weakness: CWE-1333
-
CVE-2026-115349
Mistune 3.0.0 before 3.3.0 Denial of Service via Nested Brac -
CVE-2026-112901
Pillow: ReDoS in XbmImagePlugin: 512-byte file stalls Image. -
CVE-2026-112300
DiffSK configobj __init__.py _sectionmarker redos -
CVE-2026-112366
Picomatch through 4.0.7 ReDoS via single-branch repeated ext -
CVE-2026-111997
ip-address 10.7.4 前版本存在拒绝服务漏洞
V. Comments for CVE-2026-115508
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