AWS SDK for .NET: Improper escaping of special characters in CloudFront policy document construction

Summary This notification is related to the CloudFront signing utilities in the AWS SDK for .NET, which are used to generate Amazon CloudFront signed URLs and signed cookies. A defense-in-depth enhancement has been implemented to improve handling of special characters, such as double quotes and...

GHSA-MVM6-F9R3-FGFX AWS SDK for .NET: Improper escaping of special characters in CloudFront policy document construction

Summary This notification is related to the CloudFront signing utilities in the AWS SDK for .NET, which are used to generate Amazon CloudFront signed URLs and signed cookies. A defense-in-depth enhancement has been implemented to improve handling of special characters, such as double quotes and...

EUVD-2026-16424

A vulnerability in Grafana Tempo exposes the S3 SSE-C encryption key in plaintext through the /status/config endpoint, potentially allowing unauthorized users to obtain the key used to encrypt trace data stored in S3. Thanks to williamgoodfellow for reporting this vulnerability...

CVE-2026-33726

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Prior to versions 1.17.14, 1.18.8, and 1.19.2, Ingress Network Policies are not enforced for traffic from pods to L7 Services Envoy, GAMMA with a local backend on the same node, when Per-Endpoint Routing is...

Medium: python-flask

Issue Overview: Flask is a web server gateway interface WSGI web application framework. In versions 3.1.2 and below, when the session object is accessed, Flask should set the Vary: Cookie header., resulting in a Use of Cache Containing Sensitive Information vulnerability. The logic instructs cach...

Medium: libssh

Issue Overview: libssh: SCP Protocol Path Traversal in sshscppullrequest CVE-2026-0964 libssh: Specially crafted patterns could cause DoS CVE-2026-0967 Affected Packages: libssh Issue Correction: Run dnf update libssh --releasever 2023.10.20260325 or dnf update --advisory ALAS2023-2026-1472...

Low: python3.13-pip

Issue Overview: When pip is installing and extracting a maliciously crafted wheel archive, files may be extracted outside the installation directory. The path traversal is limited to prefixes of the installation directory, thus isn't able to inject or overwrite executable files in typical...

Medium: amazon-cloudwatch-agent

Issue Overview: net/http: memory exhaustion in Request.ParseForm CVE-2025-61726 archive/zip: denial of service when parsing arbitrary ZIP archives CVE-2025-61728 crypto/tls: handshake messages may be processed at the incorrect encryption level CVE-2025-61730 crypto/tls: Config.Clone copies...

Medium: libde265

Issue Overview: strukturag libde265 commit d9fea9d wa discovered to contain a segmentation fault via the component decodercontext::computeframedroptable. CVE-2025-61147 Affected Packages: libde265 Issue Correction: Run dnf update libde265 --releasever 2023.10.20260325 or dnf update --advisory...

Medium: golang

Issue Overview: url.Parse insufficiently validated the host/authority component and accepted some invalid URLs. CVE-2026-25679 On Unix platforms, when listing the contents of a directory using File.ReadDir or File.Readdir the returned FileInfo could reference a file outside of the Root in which t...

Important: libtiff

Issue Overview: libtiff up to v4.7.1 was discovered to contain a NULL pointer dereference via the component libtiff/tifopen.c. CVE-2025-61143 libtiff up to v4.7.1 was discovered to contain a stack overflow via the readSeparateStripsIntoBuffer function. CVE-2025-61144 Affected Packages: libtiff...

Medium: libsodium

Issue Overview: libsodium before ad3004e, in atypical use cases involving certain custom cryptography or untrusted data to cryptocoreed25519isvalidpoint, mishandles checks for whether an elliptic curve point is valid because it sometimes allows points that aren't in the main cryptographic group...

CVE-2026-28377 S3 SSE-C Encryption Key Exposed in Plaintext via Config Endpoint (CVE-2025-41118 Pattern)

A vulnerability in Grafana Tempo exposes the S3 SSE-C encryption key in plaintext through the /status/config endpoint, potentially allowing unauthorized users to obtain the key used to encrypt trace data stored in S3. Thanks to williamgoodfellow for reporting this vulnerability...

CVE-2026-4270

Improper Protection of Alternate Path exists in the no-access and workdir feature of the AWS API MCP Server versions = 0.2.14 and 1.3.9 on all platforms may allow the bypass of intended file access restriction and expose arbitrary local file contents in the MCP client application context. To...

CVE-2026-32101

StudioCMS is a server-side-rendered, Astro native, headless content management system. Prior to 0.3.1, the S3 storage manager's isAuthorized function is declared async returns Promise but is called without await in both the POST and PUT handlers. Since a Promise object is always truthy in...

An AI gateway designed to steal your data

A significant proportion of cyberincidents are linked to supply chain attacks, and this proportion is constantly growing. Over the past year, we have seen a wide variety of methods used in such attacks, ranging from creation of malicious but seemingly legitimate open-source libraries or delayed...

Guidance for detecting, investigating, and defending against the Trivy supply chain compromise

In this article 1. Analyzing the Trivy supply chain compromise 2. Detection and investigation 3. Mitigation and protection guidance 4. Advanced hunting queries 5. References 6. Learn more On March 19, 2026, Trivy, Aqua Security’s widely used open-source vulnerability scanner, was reported to have...

OPENSUSE-SU-2026:10420-1 amazon-cloudwatch-agent-1.300064.0-2.1 on GA media

These are all security issues fixed in the amazon-cloudwatch-agent-1.300064.0-2.1 package on the GA media of openSUSE Tumbleweed...

Missing Cryptographic Key Commitment

software.amazon.encryption.s3, amazon-s3-encryption-client-java is vulnerable to missing cryptographic key commitment. The vulnerability is due to improper validation of encrypted data keys when stored in instruction files instead of metadata, which allows an attacker with write access to the S3...

‘CanisterWorm’ Springs Wiper Attack Targeting Iran

A financially motivated data theft and extortion group is attempting to inject itself into the Iran war, unleashing a worm that spreads through poorly secured cloud services and wipes data on infected systems that use Iran's time zone or have Farsi set as the default language. Experts say the wip...