EUVD-2026-41132Severity by source
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/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:X/V:X/RE:X/U:X
Network-reachable cache read but requires attacker cache-write foothold plus a viable gadget chain, so AC:H and PR:L; full CIA impact within the app process yields C/I/A:H and S:U.
Primary rating from Vendor (AMZN).
CVSS VectorVendor: AMZN
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/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:X/V:X/RE:X/U:X
Lifecycle Timeline
7DescriptionCVE.org
Deserialization of untrusted data in the RemoteQueryCachePlugin in Amazon Web Services AWS Advanced JDBC Wrapper 3.3.0 through 4.0.0 might allow an actor with write access to the shared cache infrastructure to execute arbitrary code on application servers that read cached query results via a crafted serialized Java object. The RemoteQueryCachePlugin uses ObjectInputStream without class filtering when deserializing cached query results from Redis or Valkey, enabling gadget chain execution when cache entries are poisoned.
We recommend upgrading to AWS Advanced JDBC Wrapper version 4.0.1 or later.
Articles & Coverage 1
AnalysisAI
Arbitrary code execution in Amazon's AWS Advanced JDBC Wrapper (versions 3.3.0 through 4.0.0) arises from the RemoteQueryCachePlugin deserializing cached query results from Redis or Valkey via a raw ObjectInputStream with no class filtering. An actor able to write to the shared cache can poison entries with a crafted serialized Java object, triggering gadget-chain execution on every application server that later reads that cache entry. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires that the target deployment uses the AWS Advanced JDBC Wrapper (3.3.0-4.0.0) with the RemoteQueryCachePlugin enabled and backed by a Redis or Valkey cache, and that the attacker has write access to that shared cache infrastructure (reflected as AT:P/PR:L in the CVSS 4.0 vector). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 vector (AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H, base 7.7 High) is internally consistent with the description: network reachable, low complexity, but with an Attack Requirement (AT:P) and low privileges (PR:L) reflecting that the attacker must first obtain write access to the shared cache infrastructure and the deployment must actually enable the RemoteQueryCachePlugin backed by Redis/Valkey. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker who has gained write access to the shared Redis/Valkey instance (for example via an exposed or weakly-authenticated cache, or a compromised lower-trust service that shares the cache) stores a crafted serialized Java gadget-chain object under a query-result cache key. When any application server using the RemoteQueryCachePlugin next reads that key, ObjectInputStream deserializes the payload and executes attacker code in the application process. … |
| Remediation | Vendor-released patch: upgrade to AWS Advanced JDBC Wrapper version 4.0.1 or later (release: https://github.com/aws/aws-advanced-jdbc-wrapper/releases/tag/4.0.1), which is the primary and recommended fix. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Identify all applications using AWS Advanced JDBC Wrapper versions 3.3.0-4.0.0 and audit their Redis/Valkey cache access controls. …
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External POC / Exploit Code
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