CVE-2026-8993 Improper URL Handler Processing in D.Launcher 2 enables NTLM Credential Disclosure and SSRF attacks
Attackers can exploit improper URL handlers in D.Launcher 2 to steal NTLM credentials and perform SSRF attacks via crafted links.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-8993?
CVE-2026-8993 is a medium-severity server-side request forgery vulnerability in Ditec a.s. D.Launcher 2, published on 2 Jun 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
D.Launcher 2 component of Slovak eID client ecosystem contains Improper URL Handler Processing vulnerability. Application registers multiple custom URL handlers that could be exploited to initiate full NTLM autentication or SMB connection to attacker infrastructure and to conduct SSRF (Server Side Request Forgery) attacks. User interaction is required as potential victim needs to open a specially crafted URL.
Which versions are affected by CVE-2026-8993?
How do I fix CVE-2026-8993?
No fix has been published for CVE-2026-8993 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-8993 being exploited?
There is no known exploitation of CVE-2026-8993 in the wild and no public exploit code.
Sources
Also known as GHSA-qh4g-88ff-qrg3.