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CVE-2026-71210— mealie - DNS-Rebinding TOCTOU in SSRF Guard Allows Internal Network and Cloud Metadata Access

Quick assessment

Affected
mealie-recipes mealie
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.

mealie-recipes mealie是mealie-recipes组织的一款食谱管理软件。 mealie-recipes mealie存在竞争条件问题漏洞，该漏洞源于AsyncSafeTransport SSRF防护机制（mealie/pkgs/safehttp/transport.py）验证目标主机IP后未将该IP固定到实际连接，导致DNS重绑定攻击可绕过防护，可能允许已认证用户读取内部HTTP服务和云元数据端点。

CVSS 5.3 · Medium EPSS 0.23% · P13

Affected Version Matrix 1

VendorProduct Version RangeStatus
mealie-recipes mealie affected
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I. Basic Information for CVE-2026-71210

Vulnerability Information
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Vulnerability Title
mealie - DNS-Rebinding TOCTOU in SSRF Guard Allows Internal Network and Cloud Metadata Access
Source: CVE Program / CVE List V5
Vulnerability Description
Mealie's AsyncSafeTransport SSRF guard (mealie/pkgs/safehttp/transport.py) resolves a target hostname once, checks the resolved IP against private-range rules, but then issues the actual outbound HTTP request using the original hostname, which the underlying async transport re-resolves independently.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
检查时间与使用时间(TOCTOU)的竞争条件
Source: CVE Program / CVE List V5
Vulnerability Title
mealie-recipes mealie 竞争条件问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
mealie-recipes mealie是mealie-recipes组织的一款食谱管理软件。 mealie-recipes mealie存在竞争条件问题漏洞，该漏洞源于AsyncSafeTransport SSRF防护机制（mealie/pkgs/safehttp/transport.py）验证目标主机IP后未将该IP固定到实际连接，导致DNS重绑定攻击可绕过防护，可能允许已认证用户读取内部HTTP服务和云元数据端点。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
mealie-recipes mealie 0 -

II. Public POCs for CVE-2026-71210

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III. Intelligence Information for CVE-2026-71210

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Other References for CVE-2026-71210 (1)

IV. Related Vulnerabilities

Same product: mealie
Same vendor: mealie-recipes
Same weakness: CWE-367

V. Comments for CVE-2026-71210

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