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CVE-2026-3511

• Severity: high (CVSS 8.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-03-19 · updated 2026-06-17
• Weakness: CWE-611

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.

Affected products

• Slovensko.Digital Autogram: before 2.7.2 — fixed in 2.7.2

How to fix

Upgrade to a fixed version: Slovensko.Digital Autogram 2.7.2. Check the vendor advisory for mitigations.

References

• https://blog.binary.house/2026/03/pripadova-studia-ako-sme-s-claude-code.html
• https://github.com/slovensko-digital/autogram/releases/tag/v2.7.2

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