Poisoned Playbooks: Demystifying Knowledge Poisoning Effects on AI Security Agents

AI security agents increasingly rely on Retrieval-Augmented Generation RAG to use external security knowledge for vulnerability analysis and exploit reasoning. This creates a new risk: poisoned write-ups can be operationalized into incorrect exploit behavior. Yet, prior work on RAG poisoning has...

PT-2026-51575

Name of the Vulnerable Software and Affected Versions Python affected versions not specified Description When using the configparser module to write configuration files containing multi-line text values with carriage return characters r, the resulting file could be injected with unexpected keys a...

CVE-2026-54311: Exposure of Data Element to Wrong Session

n8n is an open source workflow automation platform. Prior to 2.25.7 and 2.26.2, an authenticated user with permission to create or modify workflows could pollute the sandbox used by the Merge node's SQL Query mode. Because the sandbox context was cached and reused across all workflow executions o...

PT-2026-51636

Name of the Vulnerable Software and Affected Versions Snipe-IT versions prior to 8.6.2 Description A cross-tenant data injection issue exists in the Accessories API when Full Multiple Companies Support is enabled. A low-privileged authenticated user can create accessory records belonging to a...

PT-2026-51642

Name of the Vulnerable Software and Affected Versions Snipe-IT versions prior to 8.4.1 Description Snipe-IT is an IT asset and license management system. A flaw exists where the update function within app/Http/Controllers/Assets/BulkAssetsController.php accepts the company id variable directly fr...

Improper Enforcement of Behavioral Workflow

Overview filament/filament is an A collection of full-stack components for accelerated Laravel app development. Affected versions of this package are vulnerable to Improper Enforcement of Behavioral Workflow through the improper handling of recovery codes in app-based multi-factor authentication...

CVE-2026-53923

vLLM is an inference and serving engine for large language models LLMs. From 0.5.5 until 0.23.1rc0, integer truncation of tensor dimensions in vLLM's GGUF dequantize kernels csrc/quantization/gguf/ggufkernel.cu causes partial tensor processing. The output tensor is allocated at full size via...

CVE-2026-53923 vLLM GGUF Kernels: int64_t to int truncation of tensor dimensions causes GPU buffer overflow

vLLM is an inference and serving engine for large language models LLMs. From 0.5.5 until 0.23.1rc0, integer truncation of tensor dimensions in vLLM's GGUF dequantize kernels csrc/quantization/gguf/ggufkernel.cu causes partial tensor processing. The output tensor is allocated at full size via...

EUVD-2026-38400

vLLM is an inference and serving engine for large language models LLMs. From 0.5.5 until 0.23.1rc0, integer truncation of tensor dimensions in vLLM's GGUF dequantize kernels csrc/quantization/gguf/ggufkernel.cu causes partial tensor processing. The output tensor is allocated at full size via...

CVE-2026-53923

vLLM is an inference and serving engine for large language models LLMs. From 0.5.5 until 0.23.1rc0, integer truncation of tensor dimensions in vLLM's GGUF dequantize kernels csrc/quantization/gguf/ggufkernel.cu causes partial tensor processing. The output tensor is allocated at full size via...

Improper Authorization

Overview @actual-app/sync-server is an actual syncing server Affected versions of this package are vulnerable to Improper Authorization in the GET /secret/:name process. An attacker can determine the existence of admin-configured secrets by sending authenticated requests as a non-admin user and...

CVE-2026-48505 Filament: Multi-factor authentication (app) recovery codes can still be used multiple times via concurrent submission

Filament is a collection of full-stack components for accelerated Laravel development. From 4.0.0 until 4.11.5 and 5.6.5, a flaw in the handling of recovery codes for app-based multi-factor authentication allows the same recovery code to be reused via concurrent submission. This issue does not...

CVE-2026-48505

Filament is a collection of full-stack components for accelerated Laravel development. From 4.0.0 until 4.11.5 and 5.6.5, a flaw in the handling of recovery codes for app-based multi-factor authentication allows the same recovery code to be reused via concurrent submission. This issue does not...

CVE-2026-48505

Filament’s MFA recovery-code handling (versions 4.0.0–4.11.5 and 5.6.5) allows the same recovery code to be reused under concurrent submissions. When recovery codes are enabled, an attacker with the user’s password and codes can establish multiple authenticated sessions per code, extending access...

CVE-2026-48505 Filament: Multi-factor authentication (app) recovery codes can still be used multiple times via concurrent submission

Filament is a collection of full-stack components for accelerated Laravel development. From 4.0.0 until 4.11.5 and 5.6.5, a flaw in the handling of recovery codes for app-based multi-factor authentication allows the same recovery code to be reused via concurrent submission. This issue does not...

CVE-2026-47241

Net::IMAP implements Internet Message Access Protocol IMAP client functionality in Ruby. Prior to 0.6.5 and 0.5.15, several Net::IMAP commands accept a raw string argument which is only validated to prevent CRLF injection and then sent verbatim. If this string is derived from user-controlled inpu...

CVE-2026-48515

Summary: CVE-2026-48515 affects MessagePack-CSharp. Before versions 2.5.301 and 3.1.7, multi-dimensional array formatters allocate T[,] / T[,,] / T[,,,] using dimension lengths read from the payload before validating the encoded element count, enabling large heap allocations. Impact: potential hi...

CVE-2026-48515

MessagePack for C is a MessagePack serializer for C. Prior to 2.5.301 and 3.1.7, MessagePack-CSharp's multi-dimensional array formatters read dimension lengths directly from the payload and allocate T,, T,,, or T,,, before validating that the dimension product matches the encoded element count. T...

CVE-2026-48515

MessagePack for C is a MessagePack serializer for C. Prior to 2.5.301 and 3.1.7, MessagePack-CSharp's multi-dimensional array formatters read dimension lengths directly from the payload and allocate T,, T,,, or T,,, before validating that the dimension product matches the encoded element count. T...

CVE-2026-48515 MessagePack-CSharp: Multi-dimensional array formatters allocate from unchecked dimensions

MessagePack for C is a MessagePack serializer for C. Prior to 2.5.301 and 3.1.7, MessagePack-CSharp's multi-dimensional array formatters read dimension lengths directly from the payload and allocate T,, T,,, or T,,, before validating that the dimension product matches the encoded element count. T...