Description
A vulnerability in GRASSMARLIN v3.2.1 allows crafted session data to
trigger improper handling of XML input, which may result in unintended
exposure of sensitive information. The flaw stems from insufficient
hardening of the XML parsing process.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| NSA | GRASSMARLIN | All versions | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
-
SecTestAnnaQuinn/Grassmarlin-CVE-2026-6807-XXE-POC ★ 2 · Apr 28, 2026
Reverse Engineered based on CISA disclosure of new CVE
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 1
- ICSA-26-118-01 NSA GRASSMARLIN CISA ICS & IT advisories · Apr 28, 2026