CVE-2026-3511 XML external entity in Autogram
Remote attackers can exploit an XML External Entity flaw in Autogram to perform SSRF and read local files via a crafted website.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-3511?
CVE-2026-3511 is a high-severity vulnerability in Slovensko.Digital Autogram, published on 19 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-611
Which versions are affected by CVE-2026-3511?
How do I fix CVE-2026-3511?
No fix has been published for CVE-2026-3511 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-3511 being exploited?
There is no known exploitation of CVE-2026-3511 in the wild and no public exploit code.
Sources
Also known as GHSA-jx49-fphc-w293.