CVE-2026-34308

CVE-2026-34308: Denegación de servicio en MySQL Server componente JSON Boletín oficial del proveedor: Oracle Critical Patch Update Advisory — April 2026. Resumen según el CVE publicado Vulnerabilidad en Oracle MySQL Server componente: Server: JSON. Versiones afectadas compatibles: 8.0.0–8.0.45 ,...

CVE-2026-59973

FrontMCP is a TypeScript-first framework for the Model Context Protocol MCP. From mcp-from-openapi 2.3.0 until 2.5.0 and from frontmcp and @frontmcp/adapters 1.2.1 until 1.5.0, libs/adapters/src/openapi/openapi.adapter.ts loadOpenAPISpec forwards untrusted OpenAPI url and spec inputs and...

CVE-2026-59973 mcp-from-openapi: Bypass of OpenAPI external $ref SSRF fix in latest FrontMCP and mcp-from-openapi

FrontMCP is a TypeScript-first framework for the Model Context Protocol MCP. From mcp-from-openapi 2.3.0 until 2.5.0 and from frontmcp and @frontmcp/adapters 1.2.1 until 1.5.0, libs/adapters/src/openapi/openapi.adapter.ts loadOpenAPISpec forwards untrusted OpenAPI url and spec inputs and...

Astra Linux – Vulnerability in Tomcat9

An improper authorization vulnerability in Apache Tomcat occurs due to incorrect use of security-role-ref definitions as role aliases within the Realm, in addition to their proper use in Request.isUserInRole. This issue affects Apache Tomcat versions from 11.0.0-M1 through 11.0.24, from 10.1.0-M1...

GHSA-65H7-9WRW-629C FrontMCP and mcp-from-openapi have bypass of OpenAPI external $ref SSRF fix

Summary The published fix for GHSA-v6ph-xcq9-qxxj / CVE-2026-39885 added a direct hostname denylist for OpenAPI external $ref dereferencing, but the latest patched dependency mcp-from-openapi 2.3.0 still makes backend-origin requests to loopback when the target is reached through hostname...

NPM: FrontMCP and mcp-from-openapi have bypass of OpenAPI external $ref SSRF fix

NPM: FrontMCP and mcp-from-openapi have bypass of OpenAPI external $ref SSRF fix vulnerability discovered by ? in WordPress Npm frontmcp versions = 1.2.1, 1.5.0...

EUVD-2026-76595

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix dentry ref leak on V4ROOT export filehandle lookup nfsdsetfhdentry leaks the dentry reference from exportfsdecodefhraw when the NFS3FHSIZE or NFSFHSIZE switch cases detect NFSEXPV4ROOT and goto out. The out: label calls...

CVE-2026-89683

CVE-2026-89683 affects the Linux kernel 's nfsd subsystem. The flaw is in nfsd_set_fh_dentry(), which leaks a dentry reference obtained from exportfs_decode_fh_raw() when the NFS3_FHSIZE or NFS_FHSIZE switch cases detect NFSEXP_V4ROOT and jump to the out: label. That label calls exp_put() but nev...

CVE-2026-89683 nfsd: fix dentry ref leak on V4ROOT export filehandle lookup

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix dentry ref leak on V4ROOT export filehandle lookup nfsdsetfhdentry leaks the dentry reference from exportfsdecodefhraw when the NFS3FHSIZE or NFSFHSIZE switch cases detect NFSEXPV4ROOT and goto out. The out: label calls...

I-know-where-your-page-lives

I-know-where-your-page-lives Sé dónde vive tu página: Desaleatorizando el kernel más reciente de Windows 10 - ZeroNights 2016 Requisitos Procesador Intel Haswell o posterior Windows 10 x64 Uso Ejecuta ASLRSideChannelAttack.exe para obtener la entrada PML4-Self-Ref...

BIT-TOMCAT-2026-66422 Apache Tomcat: Servlet role references can bypass declarative role constraints

Improper Authorization vulnerability in Apache Tomcat cause by security-role-ref definitions being incorrectly used as role aliases within the Realm in additional to the correct usage with Request.isUserInRole. This issue affects Apache Tomcat: from 11.0.0 through 11.0.24, from 10.1.0 through...

PT-2026-90548

Summary The published fix for GHSA-v6ph-xcq9-qxxj / CVE-2026-39885 added a direct hostname denylist for OpenAPI external $ref dereferencing, but the latest patched dependency mcp-from-openapi 2.3.0 still makes backend-origin requests to loopback when the target is reached through hostname...

PT-2026-90399

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix dentry ref leak on V4ROOT export filehandle lookup nfsd set fh dentry leaks the dentry reference from exportfs decode fh raw when the NFS3 FHSIZE or NFS FHSIZE switch cases detect NFSEXP V4ROOT and goto out. The out:...

CVE-2026-89011

isomorphic-git before 1.42.0 is affected by a prototype pollution vulnerability in the getRemoteInfo function. A malicious Git server can advertise crafted ref names containing __proto__ path segments during ref negotiation (e.g., __proto__/corsProxy), polluting Object.prototype to reroute all su...

CVE-2026-89011 isomorphic-git < 1.42.0 Prototype Pollution via getRemoteInfo

isomorphic-git before 1.42.0 contains a prototype pollution vulnerability in the getRemoteInfo function that allows a malicious Git server operator to pollute Object.prototype by advertising crafted ref names containing 'proto' path segments during ref negotiation. Attackers controlling a Git...

GHSA-HR3M-4QWQ-3MGC GitHacker: Path traversal in ref/hash parsing enables existence oracle and hex-fragment exfiltration via malicious .git server

Summary GitHacker through 1.1.7 did not validate path segments parsed from attacker-controlled .git/HEAD before joining them onto its output directory. A malicious server could coerce GitHacker into reading arbitrary local files. Contents do not stream back wholesale, but the recovery loop turns...

CVE-2026-85626

git-mcp-server 2.15.1 contains an argument injection vulnerability in the ref and object parameters of gitlog, gitdiff, and gitshow tools that lack leading-dash validation. Attackers can inject git command-line options like --output= to write files outside the repository to arbitrary paths...

CVE-2026-80775

In the Linux kernel, the following vulnerability has been resolved: futex: Fix race on the initial mm-futex.phash.ref allocation futexhashallocate allocates mm-futex.phash.ref without any locking. Commit d9b05321e21e "futex: Move futexhashfree back to mmput" moved the allocation here and assumed...

CVE-2026-85626 git-mcp-server 2.15.1 Argument Injection via Git Ref Parameters

git-mcp-server 2.15.1 contains an argument injection vulnerability in the ref and object parameters of gitlog, gitdiff, and gitshow tools that lack leading-dash validation. Attackers can inject git command-line options like --output= to write files outside the repository to arbitrary paths...

CVE-2026-85626 git-mcp-server 2.15.1 Argument Injection via Git Ref Parameters

git-mcp-server 2.15.1 contains an argument injection vulnerability in the ref and object parameters of gitlog, gitdiff, and gitshow tools that lack leading-dash validation. Attackers can inject git command-line options like --output= to write files outside the repository to arbitrary paths...