CVE-2026-110812 Deserialization of untrusted data in the Gremlin graph-import path in Amazon Neptune
Authenticated attackers can execute arbitrary code and access internal credentials via deserialization in the Gremlin import path.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-110812?
CVE-2026-110812 is a critical unsafe deserialization vulnerability in AWS Amazon Neptune Engine, published on 15 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Deserialization of untrusted data in the Gremlin graph data import component in Amazon Neptune engine might allow an authenticated remote actor with standard database permissions to execute arbitrary code and access internal service credentials.
To remediate this issue, users not enrolled in auto-update should upgrade to Amazon Neptune engine version 1.5.0.0.(Backports to 1.4.8.1 and 1.4.7.1)
Which versions are affected by CVE-2026-110812?
How do I fix CVE-2026-110812?
No fix has been published for CVE-2026-110812 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2026-110812 being exploited?
There is no known exploitation of CVE-2026-110812 in the wild and no public exploit code.
Sources
Also known as GHSA-6rrf-xw64-h782.