GHSA-VXRR-W42W-W76G Flight: HTTP method override enabled by default, facilitating CSRF escalation and middleware bypass

Summary Request::getMethod unconditionally honors the X-HTTP-Method-Override header and the $REQUEST'method' parameter on any HTTP verb including safe verbs such as GET, with no opt-in and no whitelist of permitted target methods. A GET request can silently become a DELETE or PUT, enabling CSRF...

GHSA-3XJV-PMF2-GF2Q Flight has path traversal in `make:controller` CLI that creates arbitrary directories outside project root

Summary The make:controller CLI command calls mkdir..., recursive: true on a path built from the user-supplied controller name, before Nette's class-name validation runs. The class-file write is correctly rejected by Nette when the name contains /, but the recursive directory creation side effect...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS via the Flight::jsonp process. An attacker can execute arbitrary JavaScript in the context of the response origin by supplying a crafted jsonp query parameter, which is concatenated directly into the JavaScript...

Flight has reflected XSS through an unvalidated JSONP callback in Flight::jsonp()

Summary Flight::jsonp concatenates the ?jsonp= query parameter directly into an application/javascript response body without validating that the value is a legal JavaScript identifier. An attacker can inject arbitrary JavaScript that executes in the response origin, enabling reflected cross-site...

GHSA-FCX8-PH5R-MXR4 Flight has reflected XSS through an unvalidated JSONP callback in Flight::jsonp()

Summary Flight::jsonp concatenates the ?jsonp= query parameter directly into an application/javascript response body without validating that the value is a legal JavaScript identifier. An attacker can inject arbitrary JavaScript that executes in the response origin, enabling reflected cross-site...

CVE-2026-43180

In the Linux kernel, the following vulnerability has been resolved: net: usb: kaweth: remove TX queue manipulation in kawethsetrxmode kawethsetrxmode, the ndosetrxmode callback, calls netifstopqueue and netifwakequeue. These are TX queue flow control functions unrelated to RX multicast...

PT-2026-38270

Name of the Vulnerable Software and Affected Versions Flight versions prior to 3.18.1 Description The Flight::jsonp function concatenates the jsonp query parameter directly into an application/javascript response body without validating if the value is a legal JavaScript identifier. This allows a...

PT-2026-38271

Name of the Vulnerable Software and Affected Versions Flight versions prior to 3.18.1 Description The make:controller CLI command allows arbitrary directory creation outside the project root. This occurs because the command calls mkdir..., recursive: true on a path constructed from a user-supplie...

PT-2026-38274

Name of the Vulnerable Software and Affected Versions Flight versions prior to 3.18.1 Description The default error handler Engine:: error writes the full exception message, exception code, and stack trace, including absolute filesystem paths, directly into the HTTP 500 response without debug...

CVE-2026-7638: Authorization Bypass Through User-Controlled Key

The App Builder – Create Native Android & iOS Apps On The Flight plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to and including 5.6.0. This is due to missing authorization validation in the uploadavatar function, which accepts an attacker-controlled...

CVE-2026-43054

In the Linux kernel, the following vulnerability has been resolved: scsi: target: tcmloop: Drain commands in targetreset handler tcmlooptargetreset violates the SCSI EH contract: it returns SUCCESS without draining any in-flight commands. The SCSI EH documentation scsieh.rst requires that when a...

EUVD-2026-26653

In the Linux kernel, the following vulnerability has been resolved: scsi: target: tcmloop: Drain commands in targetreset handler tcmlooptargetreset violates the SCSI EH contract: it returns SUCCESS without draining any in-flight commands. The SCSI EH documentation scsieh.rst requires that when a...

CVE-2026-43054

CVE-2026-43054 concerns the Linux kernel SCSI target core (tcm_loop). The vulnerability stems from tcm_loop_target_reset() not draining in-flight commands, which can cause SCSI EH to reuse in-flight scsi_cmnd structures and leak LUN references, potentially hanging configfs LUN unlink. The fix dra...

CVE-2026-43054 scsi: target: tcm_loop: Drain commands in target_reset handler

In the Linux kernel, the following vulnerability has been resolved: scsi: target: tcmloop: Drain commands in targetreset handler tcmlooptargetreset violates the SCSI EH contract: it returns SUCCESS without draining any in-flight commands. The SCSI EH documentation scsieh.rst requires that when a...

Network Impact of Post-Quantum Certificate Chain Sizes on Time to First Byte in TLS Deployments

Post-Quantum Cryptography PQC is a rapidly growing deployment challenge as cryptographically relevant quantum computers CRQC continue to advance, leaving traditional cryptographic algorithms used in X.509 vulnerable to attack. However, PQC introduces significant deployment challenges in real-worl...

CVE-2026-31444

CVE-2026-31444 affects ksmbd in the Linux kernel. The vulnerability arises from two flaws in the oplock publication sequence inside smb_grant_oplock(): (1) opinfo is linked into ci->m_op_list before add_lease_global_list(), so if that call fails, a freed node is dereferenced by concurrent read...

Exploit for Deserialization of Untrusted Data in Facebook React

flight-risk flight risk /flaɪt rɪsk/ — React's Flight...

Exploit for CVE-2026-23869

⚡ CVE-2026-23869 — React2DoS Unauthenticated Remote Denial-o...

Exploit for CVE-2026-23869

⚡ CVE-2026-23869 — React2DoS Unauthenticated Remote Denial-o...

React2DoS (CVE-2026-23869): When the Flight Protocol Crashes at Takeoff

Executive Summary In this article, we disclose a new high severity unauthenticated remote denial‑of‑service vulnerability we identified and reported in React Server Components that we’ve dubbed “React2DoS”. In this blog, we’ll analyze its impact and place it in the broader context of recently fou...