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Vulnerability record · CVE-2026-18061 · published 11 September 2026

CVE-2026-18061: Amazon advanced jdbc wrapper xml external entity (xxe) vulnerability

Amazon · Advanced Jdbc Wrapper

Improper restriction of XML external entity references in the RemoteQueryCachePlugin in AWS Advanced JDBC Wrapper 3.3.0 through 4.2.0 might allow an actor with write access to the shared cache infrastructure to disclose sensitive files from application hosts that read cached query results, including stored database and IAM role credentials, via crafted XML data in a cached column value. To remediate this issue, users should upgrade to version 4.3.0 or later.

6.0 CVSS 4.0 Medium EPSS 0.27% · top 82.9% CWE-611 · XML external entity (XXE)
6.0CVSS 4.0 base score
0.27%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References
16 Sep 2026Last modified by NVD

Description

Improper restriction of XML external entity references in the RemoteQueryCachePlugin in AWS Advanced JDBC Wrapper 3.3.0 through 4.2.0 might allow an actor with write access to the shared cache infrastructure to disclose sensitive files from application hosts that read cached query results, including stored database and IAM role credentials, via crafted XML data in a cached column value. To remediate this issue, users should upgrade to version 4.3.0 or later.

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://aws.amazon.com/security/security-bulletins/2026-109-aws/ PatchVendor Advisory
https://github.com/aws/aws-advanced-jdbc-wrapper/releases/tag/4.3.0 Release NotesVendor Advisory
https://github.com/aws/aws-advanced-jdbc-wrapper/security/advisories/GHSA-fpvp-qwgm-v6h9 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-18061), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.