CVE-2026-54418

CVE-2026-54418 affects Leantime up to version 3.6.2. The JSON-RPC endpoints leantime.rpc.TwoFA.TwoFA.getSetupData, saveSecret, verifyAndEnable, and disable2FA accept a caller-supplied userId without ownership checks, session pinning, or permission-attribute gating. An authenticated user can call ...

CVE-2026-54418: Missing Authorization

Leantime through 3.6.2 exposes the JSON-RPC methods leantime.rpc.TwoFA.TwoFA.getSetupData, saveSecret, verifyAndEnable, and disable2FA, which act on a caller-supplied userId parameter with no ownership check, session pinning, or permission-attribute gate unlike other RPC-exposed methods in the sa...

PT-2026-68022

Name of the Vulnerable Software and Affected Versions Leantime versions prior to 3.6.3 Description Authenticated users can exploit a missing authorization check in the JSON-RPC dispatcher. The application fails to implement ownership checks, session pinning, or permission-attribute gates for...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the import process. An attacker can access internal resources or read arbitrary files from the server filesystem by submitting crafted filenames containing URL wrappers or path traversal sequences...

CVE-2026-66415 Leantime Server-Side Request Forgery and Local File Inclusion in Blueprints::import()

Leantime 3.6.2 contains a server-side request forgery and local file inclusion vulnerability that allows authenticated attackers to read internal resources by passing unsanitized user-supplied filenames to filegetcontents in the Blueprints::import method without path validation. Attackers can...

CVE-2026-66415 Leantime Server-Side Request Forgery and Local File Inclusion in Blueprints::import()

Leantime 3.6.2 contains a server-side request forgery and local file inclusion vulnerability that allows authenticated attackers to read internal resources by passing unsanitized user-supplied filenames to filegetcontents in the Blueprints::import method without path validation. Attackers can...

CVE-2026-66415

Leantime 3.6.2 contains a server-side request forgery and local file inclusion vulnerability that allows authenticated attackers to read internal resources by passing unsanitized user-supplied filenames to filegetcontents in the Blueprints::import method without path validation. Attackers can...

CVE-2026-66415 Leantime Server-Side Request Forgery and Local File Inclusion in Blueprints::import()

Leantime 3.6.2 contains a server-side request forgery and local file inclusion vulnerability that allows authenticated attackers to read internal resources by passing unsanitized user-supplied filenames to filegetcontents in the Blueprints::import method without path validation. Attackers can...

CVE-2026-66415

Leantime 3.6.2 is affected by a Server-Side Request Forgery (SSRF) and Local File Inclusion (LFI) vulnerability in Blueprints::import(). An authenticated attacker can pass unsanitized user-supplied filenames to file_get_contents(), without path validation, to read internal resources. Attacks can ...

MCP Ruby SDK: Unbounded JSON-RPC request body causes uncontrolled memory allocation in StreamableHTTPTransport

Summary An unauthenticated remote attacker can force any MCP Ruby SDK server using MCP::Server::Transports::StreamableHTTPTransport to allocate gigabytes of memory by sending a single oversized JSON-RPC POST. The transport reads the entire HTTP body into a Ruby String and parses it with...

MCP Ruby SDK: Unbounded line buffer in stdio transports leads to memory exhaustion (DoS)

Summary The stdio transports in MCP::Server::Transports::StdioTransport and MCP::Client::Stdio read newline-delimited JSON-RPC frames using IOgets with no limit argument. CRuby's IOgets with no limit reads from the current position until the next separator \n with no upper bound on the returned...

PT-2026-66544

Name of the Vulnerable Software and Affected Versions Leantime version 3.6.2 Description An authenticated attacker can perform server-side request forgery SSRF and local file inclusion LFI by providing unsanitized filenames to the file get contents function within the Blueprints::import method...

CVE-2026-66415: Server-Side Request Forgery (SSRF)

Leantime 3.6.2 contains a server-side request forgery and local file inclusion vulnerability that allows authenticated attackers to read internal resources by passing unsanitized user-supplied filenames to filegetcontents in the Blueprints::import method without path validation. Attackers can...

CVE-2026-67432

CVE-2026-67432 affects the MCP Ruby SDK before version 0.23.0. The vulnerability exists in MCP::Server::Transports::StreamableHTTPTransport of the mcp gem, which reads and parses an entire JSON-RPC POST body without a size limit, allowing an unauthenticated remote attacker to exhaust memory on th...

CVE-2026-67432

MCP Ruby SDK is the official Ruby SDK for Model Context Protocol servers and clients. Prior to 0.23.0, MCP::Server::Transports::StreamableHTTPTransport in the mcp gem reads and parses an entire JSON-RPC POST body without a size limit, allowing an unauthenticated remote attacker to exhaust process...

CVE-2026-67432 MCP Ruby SDK: Unbounded JSON-RPC request body causes uncontrolled memory allocation in StreamableHTTPTransport

MCP Ruby SDK is the official Ruby SDK for Model Context Protocol servers and clients. Prior to 0.23.0, MCP::Server::Transports::StreamableHTTPTransport in the mcp gem reads and parses an entire JSON-RPC POST body without a size limit, allowing an unauthenticated remote attacker to exhaust process...

CVE-2026-67432 MCP Ruby SDK: Unbounded JSON-RPC request body causes uncontrolled memory allocation in StreamableHTTPTransport

MCP Ruby SDK is the official Ruby SDK for Model Context Protocol servers and clients. Prior to 0.23.0, MCP::Server::Transports::StreamableHTTPTransport in the mcp gem reads and parses an entire JSON-RPC POST body without a size limit, allowing an unauthenticated remote attacker to exhaust process...

CVE-2026-66412

Leantime vulnerability CVE-2026-66412 affects all versions prior to 3.6.2. A broken access control flaw in the tickets.getMilestone JSON-RPC endpoint allows authenticated users to read milestone data from projects they aren’t assigned to by supplying arbitrary integer milestone IDs. Attackers can...

CVE-2026-66412: Authorization Bypass Through User-Controlled Key

Leantime 3.6.2 and prior contains a broken access control vulnerability that allows authenticated users to read milestone data from projects they are not assigned to by supplying arbitrary integer milestone IDs to the tickets.getMilestone JSON-RPC endpoint. Attackers can enumerate integer milesto...

CVE-2026-65709 sysPass 3.2.11 Missing Object-Level Authorization via JSON-RPC API

sysPass through version 3.2.11 contains a missing object-level authorization vulnerability in the JSON-RPC API that allows API token holders to enumerate account metadata, overwrite passwords, and delete accounts across the entire vault without per-account access control. Attackers can invoke...