CVE-2026-3511
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I. Basic Information for CVE-2026-3511
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Improper Restriction of XML External Entity Reference vulnerability in XMLUtils.java in Slovensko.Digital Autogram allows remote unauthenticated attacker to conduct SSRF (Server Side Request Forgery) attacks and obtain unauthorized access to local files on filesystems running the vulnerable application. Successful exploitation requires the victim to visit a specially crafted website that sends request containing a specially crafted XML document to /sign endpoint of the local HTTP server run by the application.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
XML外部实体引用的不恰当限制(XXE)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Autogram 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Autogram是Slovensko.Digital开源的一个支持多平台的文件签名与验证桌面应用。 Autogram存在安全漏洞，该漏洞源于XMLUtils.java中存在XML外部实体引用限制不当，可能导致远程未经验证攻击者进行服务端请求伪造攻击，并获取运行易受攻击应用程序的文件系统上本地文件的未授权访问权限。
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)
Shenlong Deep Dive — AI Deep Analysis
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Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Slovensko.Digital | Autogram | 0 ~ 2.7.2 | - |
II. Public POCs for CVE-2026-3511
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same weakness: CWE-611
- CVE-2026-41936
Vvveb < 1.0.8.2 XML External Entity Injection via Import - CVE-2026-40682
Apache OpenNLP: XXE via Dictionary Parsing in DictionaryEntr - CVE-2026-6501
ILM Informatique jOpenDocument 代码问题漏洞 - CVE-2025-14543
Improper Restriction of XML External Entity Reference vulner - CVE-2024-13971
Arbitrary File Read and Server Side Request Forgery via XML
V. Comments for CVE-2026-3511
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