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CVE-2026-85654

Code injection in the CDK generator in Amazon awslabs.dynamodb-mcp-server

Improper neutralization of special elements used in a template engine in the CDK generator in Amazon awslabs.dynamodb-mcp-server before 2.1.6 might allow a context-dependent actor to execute arbitrary code on the host that deploys the generated application via crafted table, index, or attribute names in a data model file.

CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
Vendors
CVE-2026-85656

OS command injection in Amazon log4j-cve-2021-44228-hotpatch

An OS command injection issue in the log4j-cve-2021-44228-hotpatch package in Amazon Linux before 1.3-9 might allow a local user to execute arbitrary commands with root privileges via a Java process whose executable path contains embedded newline characters.

CVSS 4.0 · 8.5 High EPSS 1.1% KEV · Not listed
Vendors
CVE-2024-28056

Amazon AWS Amplify CLI before 12.10.1 incorrectly configures the role trust policy of IAM roles associated with Amplify projects. When the Authentication component is removed from an Amplify project, a Condition property is removed but "Effect":"Allow" remains present, and consequently sts:AssumeRoleWithWebIdentity would be available to threat actors with no conditions. Thus, if Amplify CLI had been used to remove the Authentication component from a project built between August 2019 and January 2024, an "assume role" may have occurred, and may have been leveraged to obtain unauthorized access to an organization's AWS resources. NOTE: the problem could only occur if an authorized AWS user removed an Authentication component. (The vulnerability did not give a threat actor the ability to remove an Authentication component.) However, in realistic situations, an authorized AWS user may have removed an Authentication component, e.g., if the objective were to stop using built-in Cognito resources, or move to a completely different identity provider.

CVSS 3.1 · 9.8 Critical EPSS 1.7% KEV · Not listed
Vendors
CVE-2026-81838

Zip Slip Arbitrary File Write in AWS diagram-as-code (awsdac)

A relative path traversal issue in the zip extraction functionality in AWS diagram-as-code (awsdac) in versions 0.10 through 0.23 can allow a third party to write arbitrary files to the local filesystem via crafted zip entry names containing path traversal sequences. This could allow the third party to perform inappropriate actions in the diagram bundle. To remediate this issue, users should upgrade to the version 0.24 or later.

CVSS 4.0 · 6.8 Medium EPSS < 1% KEV · Not listed
Vendors
CVE-2026-84851

Uncontrolled recursion in the Ion reader in Amazon Ion-C before 1.1.6

An uncontrolled recursion issue exists in Amazon Ion-C versions before 1.1.6 that might allow a remote unauthenticated actor to craft Ion data that exhausts the native call stack and crashes the application using the library, resulting in a denial of service.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Products
CVE-2026-83551

Cleartext storage of HMAC signing key in Amazon SageMaker Python SDK @step/@remote pipeline path

Cleartext storage of sensitive information in the @step and @remote decorator pipeline component in Amazon SageMaker Python SDK before v3.11.0 and v2.256.0 might allow an authenticated remote user to extract the HMAC signing key from SageMaker DescribePipeline API responses and forge valid integrity signatures for specially crafted function payloads, achieving code execution in another user's pipeline execution context within the same AWS account.

CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed
Vendors
CVE-2026-83497

Unrestricted Java Deserialization in OpenSearch SQL Plugin Cursor Pagination

Unrestricted deserialization of untrusted data in the cursor pagination component in the OpenSearch SQL plugin allows a remote authenticated user with basic read/search permissions to execute arbitrary code on the server by sending a crafted cursor parameter to the plugins/sql endpoint.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
CVE-2026-81849

Path traversal in the aws:downloadContent plugin in amazon-ssm-agent

Improper limitation of a pathname to a restricted directory in the aws:downloadContent plugin in amazon-ssm-agent before 3.3.4515.0 might allow an authenticated remote user whose ssm:SendCommand permission is restricted to the AWS-DownloadContent document, to write arbitrary files outside the intended download directory with root privileges, via crafted object keys in the S3 source the document is directed to retrieve. This issue may lead to arbitrary code execution as root if specific sensitive files are overwritten. To remediate this issue, customers should upgrade amazon-ssm-agent to version 3.3.4515.0 or later.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
CVE-2026-77235

Missing privilege check in SecureContext_FreeContext in FreeRTOS-Kernel

Missing privilege verification in the secure context cleanup handler in FreeRTOS-Kernel before 11.3.1 might allow local users to cause a use-after-free condition in secure-world memory via the SVC handler for secure context deallocation. To remediate this issue, users should upgrade to version 11.3.1 or later.

CVSS 4.0 · 8.3 High EPSS < 1% KEV · Not listed
Vendors
CVE-2026-77234

Improper input validation in FreeRTOS-Kernel timer command handling

Improper input validation in FreeRTOS-Kernel before 11.3.1 might allow an unprivileged task on MPU-enabled ports to execute code in privileged kernel context. To remediate this issue, users should upgrade to version 11.3.1 or later.

CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
Vendors
CVE-2026-78379

Consent bypass in python_repl tool via batch kwargs forwarding in Amazon Strands Agents Tools

Improper neutralization of input used for LLM prompting in the python_repl tool in Amazon Strands Agents Tools before 0.8.5 might allow remote actors to execute arbitrary Python code on the agent's host by bypassing the human consent gate, via a crafted prompt that forwards non_interactive_mode as a keyword argument through the batch tool. To remediate this issue, users should upgrade to version 0.8.5 or later.

CVSS 4.0 · 9.2 Critical EPSS < 1% KEV · Not listed
Vendors
CVE-2026-77236

Missing size validation in SecureContext_AllocateContext in FreeRTOS-Kernel

Missing minimum size validation in secure context allocation in FreeRTOS-Kernel before 11.3.1 might allow local users to corrupt secure-world heap metadata via an out-of-bounds write with an undersized stack size parameter. To remediate this issue, users should upgrade to version 11.3.1 or later.

CVSS 4.0 · 8.3 High EPSS < 1% KEV · Not listed
Vendors
CVE-2026-77237

Missing type validation in xQueueAddToSet in FreeRTOS-Kernel

Missing queue-set type validation in xQueueAddToSet() in the FreeRTOS-Kernel before 11.3.1 might allow an unprivileged task on MPU-enabled ports with configUSE_QUEUE_SETS=1 to read privileged kernel memory. To remediate this issue, users should upgrade to version 11.3.1 or later.

CVSS 4.0 · 8.2 High EPSS < 1% KEV · Not listed
Vendors
CVE-2026-75935

Memory-amplification denial of service via declared-length preallocation in Amazon ion-java

Uncontrolled memory allocation in the binary Ion stream cursor in Amazon ion-java before 1.12.0 might allow remote actors to cause a denial of service via a crafted Ion binary document containing a declared-length field that causes excessive heap preallocation. To remediate this issue, users should upgrade to version 1.12.0.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Products
CVE-2026-18952

Missing Input Validation in Threat Intel Feed Parser in OpenSearch Security Analytics Plugin

Missing input validation in the threat intelligence feed parser in the OpenSearch Security Analytics plugin might allow an authenticated remote user to perform server-side request forgery and read local files via a crafted URL parameter to the threat intel source configuration endpoint.

CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed
Vendors
CVE-2026-18657

Executable Resolution from Untrusted Project Directory in Kiro CLI on Windows

An uncontrolled search path element in Kiro CLI before version 2.10.0 on Windows might allow a remote unauthenticated actor to execute arbitrary code via a maliciously crafted project directory containing an executable that bypasses workspace trust protections when a local user starts Kiro CLI in the directory. To remediate this issue, users should upgrade to version 2.10.0 or higher.

CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed
Vendors
Products
CVE-2026-18656

Executable Resolution from Untrusted Project Directory in Kiro IDE on Windows

An uncontrolled search path element in Kiro IDE before version 1.0.228 on Windows might allow a remote unauthenticated actor to execute arbitrary code via a maliciously crafted project directory containing an executable that bypasses workspace trust protections when a local user opens the directory. To remediate this issue, users should upgrade to version 1.0.228 or higher.

CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed
Vendors
Products
CVE-2026-19642

Out-of-bounds write in the Base64 decoder in Amazon aws-sdk-cpp

An out-of-bounds write issue in the Base64 decoder in Amazon aws-sdk-cpp before 1.11.862 might allow a remote authenticated user to cause a crash or heap memory corruption in an application that processes crafted Base64-encoded input. To remediate this issue, users should upgrade to version 1.11.862.

CVSS 4.0 · 6 Medium EPSS < 1% KEV · Not listed
Vendors
CVE-2026-19643

Out-of-bounds read in the Base64 decoder in Amazon aws-sdk-cpp on signed-char platforms

An out-of-bounds read issue in the Base64 decoder in Amazon aws-sdk-cpp before 1.11.862, on some platforms, might allow a remote authenticated user to crash an application that processes crafted Base64-encoded input. To remediate this issue, users should upgrade to version 1.11.862.

CVSS 4.0 · 6 Medium EPSS < 1% KEV · Not listed
Vendors
CVE-2023-44487

HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack)

The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.

CVSS 3.1 · 7.5 High EPSS 100.0% KEV · Listed
Vendors
Akka Amazon Apache and 30 more