PatchSiren cyber security CVE debrief
CVE-2026-110812 AWS CVE debrief
CVE-2026-110812 is a critical vulnerability in Amazon Neptune Engine's Gremlin graph-import path, allowing authenticated remote actors with standard database permissions to potentially execute arbitrary code and access internal service credentials. Users not enrolled in auto-update should upgrade to Amazon Neptune engine version 1.5.0.0, with backports to 1.4.8.1 and 1.4.7.1.
- Vendor
- AWS
- Product
- Amazon Neptune Engine
- CVSS
- CRITICAL 9.9
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-10-15
- Original CVE updated
- 2026-10-16
- Advisory published
- 2026-10-15
- Advisory updated
- 2026-10-16
Who should care
Database administrators, security teams, and developers using Amazon Neptune Engine should assess exposure and prioritize upgrading to patched versions to prevent potential arbitrary code execution and access to internal service credentials. This includes reviewing current deployments, verifying affected versions, and coordinating with relevant stakeholders to ensure timely remediation.
Why it matters
CVE-2026-110812 is a critical vulnerability in Amazon Neptune Engine's Gremlin graph-import path. Database administrators and security teams should assess exposure and prioritize upgrading to patched versions to prevent potential arbitrary code execution and access to internal service credentials.
- Potential execution of arbitrary code by authenticated remote actors
- Possible access to internal service credentials
- Need for verification of affected versions and scope
- Priority for upgrading to patched versions
Technical summary
The vulnerability is caused by deserialization of untrusted data in the Gremlin graph-import path in Amazon Neptune Engine. An authenticated remote actor with standard database permissions might be able to execute arbitrary code and access internal service credentials. This issue requires immediate attention as it could lead to potential arbitrary code execution and access to internal service credentials. Users not enrolled in auto-update should upgrade to Amazon Neptune engine version 1.5.0.0, with backports to 1.4.8.1 and 1.4.7.1. The CVE record and source item provide details on the vulnerability and affected versions.
Defensive priority
High priority for upgrading to patched versions
Recommended defensive actions
- Upgrade to Amazon Neptune engine version 1.5.0.0 or later
- Apply backports to versions 1.4.8.1 or 1.4.7.1 if auto-update is not enabled
- Review and update database permissions for authenticated remote actors
- Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
- Review compensating controls for exposed systems while remediation is scheduled and verified
- Check relevant monitoring, detection, and logs for exposed assets that need extra review
- Track exceptions, retest remediated assets, and close the item only after evidence is documented
Evidence notes
The CVE record and source item provide details on the vulnerability and affected versions. However, the scope of affected versions and potential impact require further verification from official sources.
Sources and references
Verified primary and authoritative sources
-
CVE-2026-110812 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-110812
CVE Program - Official CVE Program record with source-provided CVE metadata.
-
CVE-2026-110812 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-110812
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
-
Deserialization of untrusted data in the Gremlin graph-import path in Amazon Neptune
Unverified legacy reference
URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/110xxx/CVE-2026-110812.json
cve_program_cvelist_v5
-
Source reference
Unverified legacy reference
URL: https://docs.aws.amazon.com/neptune/latest/userguide/engine-releases-1.5.0.0.html
Supplemental source - patch
-
Source reference
Unverified legacy reference
URL: https://docs.aws.amazon.com/neptune/latest/userguide/engine-releases-1.4.7.1.html
Supplemental source - patch
-
Source reference
Unverified legacy reference
URL: https://docs.aws.amazon.com/neptune/latest/userguide/engine-releases-1.4.8.1.html
Supplemental source - patch
-
Source reference
Unverified legacy reference
URL: https://aws.amazon.com/security/security-bulletins/2026-136-aws/
Supplemental source - vendor-advisory
Methodology and review provenance
AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.