EUVD-2026-63577

An unauthenticated remote peer can crash any NIOWebSocket-based server including Vapor and Hummingbird with a single 11-byte frame sent after a completed WebSocket handshake, dropping all active connections until the process restarts. This vulnerability is addressed in swift-nio version 2.101.0...

python: Python pkgutil.get_data(): Path Traversal via improper resource argument validation

A flaw was found in Python's pkgutil.getdata function, which is used to retrieve data from packages. This function did not properly validate the resource argument, allowing a local attacker to perform path traversal attacks. Path traversal enables an attacker to access files and directories store...

NocoBase: Arbitrary File Write chained with Local file Inclusion leads to Remote code execution

Executive Summary Two vulnerabilities were identified and chained to achieve authenticated remote code execution The first vulnerability allows any authenticated admin to redirect the file upload storage root to an arbitrary path on disk including the application directory itself by supplying an...

CVE-2026-53583 libgit2: Inverted IP SubjectAltName Comparison in OpenSSL Backend

libgit2 is a portable C implementation of the Git core methods provided as a linkable library with a solid API, allowing to build Git functionality into your application. Prior to 1.8.6 and 1.9.5, verifyservercert in src/libgit2/streams/openssl.c uses an inverted !!memcmp result in the GENIPADD...

Laravel Backpack CRUD: Arbitrary file deletion via attacker-controlled clear_<attr>[] in HasUploadFields::uploadMultipleFilesToDisk

Summary HasUploadFields::uploadMultipleFilesToDisk in src/app/Models/Traits/HasUploadFields.php reads file paths from the clear request input and deletes them from the configured storage disk without verifying that the paths belong to the current model record. An authenticated user with Update...

node-opcua missing nonce verification in UserNameIdentityToken authentication

Summary A missing nonce verification in the UserNameIdentityToken authentication handler allows an unauthenticated remote attacker to forge a password token that extracts as an empty string, and to replay captured authentication tokens across sessions. Affected versions: = 2.165.0 Tested version:...

Coder: Login endpoint user enumeration via timing-defense placeholder in password comparison

Summary userpassword.Compare substituted a placeholder hash derived from the well-known string "hunter2" when the stored hash was empty. Submitting "hunter2" therefore matched accounts with no password hash nonexistent users and SSO-only users and a subsequent login-type check returned an HTTP 40...

CVE-2026-19586

CVE-2026-19586 is a pre-authentication OS command injection flaw in TP-Link Omada gateways running the OpenVPN Server feature, caused by insufficient validation of client-supplied data during connection establishment. CVSS 9.3 (Critical), network-reachable, no auth required. Exploitation requires...

CVE-2026-77031

A vulnerability has been found in Tenda CH22 1.0.0.1. The affected element is the function formcreateFileName of the file /goform/formcreateFileName. The manipulation of the argument fileNameMit leads to command injection. The attack can be initiated remotely. The exploit has been disclosed to th...

CVE-2026-66787

In Red Hat Advanced Cluster Management for Kubernetes, the lighthouse component fails to validate IP addresses in EndpointSlice objects. A compromised spoke cluster can publish attacker-controlled IPs, causing other clusters' lighthouse DNS to resolve legitimate cross-cluster service names to mal...

CVE-2026-77148

A vulnerability was found in Comfast CF-N1-S 2.6.0.1. This impacts the function sub44B50C of the file /cgi-bin/mbox-config?method=SET&section=ptestchannel of the component Web Management. The manipulation results in stack-based buffer overflow. The attack can be launched remotely. The exploit has...

CVE-2026-54481

A flaw was found in Gitea. The internal API HTTP client is configured to skip Transport Layer Security TLS certificate verification, which is an insecure practice. A remote attacker on the same network segment could exploit this vulnerability to perform man-in-the-middle MITM attacks. This allows...

CVE-2026-52610

creationtimestamp| type| source ---|---|--- 2026-08-20 18:10:08+00:00| seen| https://bsky.app/profile/stackflag.bsky.social/post/3mtjtqyqvsd2t...

CVE-2026-63382 libevent evhttp: Multiple HTTP Parser Bugs Enable Request Smuggling

Libevent is an event notification library. Prior to 2.1.13 and 2.2.2-alpha, the libevent evhttp parser in http.c inconsistently handles duplicate Transfer-Encoding headers, comma-separated Transfer-Encoding values, and bare line feeds in chunked framing. evhttpfindheader can select only the first...

CVE-2026-66787

A flaw was found in the lighthouse component of Red Hat Advanced Cluster Management for Kubernetes. This vulnerability stems from insufficient validation of advertised IP addresses within EndpointSlice objects. A compromised spoke cluster can exploit this by creating EndpointSlices with...

CVE-2026-73253

Mongoose is an embedded web server and network library. Prior to version 7.22, an on-path network attacker with a wildcard certificate for a parent domain can impersonate deeper subdomains to a client using the built-in TLS stack. The mgtlsverifycertsan and mgtlsverifycertcn functions in...

EUVD-2026-63500

Mongoose is an embedded web server and network library. Prior to version 7.22, an on-path network attacker with a wildcard certificate for a parent domain can impersonate deeper subdomains to a client using the built-in TLS stack. The mgtlsverifycertsan and mgtlsverifycertcn functions in...

CVE-2026-73253 Mongoose: TLS Hostname Verification Bypass via Overly Permissive Wildcard Matching

Mongoose is an embedded web server and network library. Prior to version 7.22, an on-path network attacker with a wildcard certificate for a parent domain can impersonate deeper subdomains to a client using the built-in TLS stack. The mgtlsverifycertsan and mgtlsverifycertcn functions in...

CVE-2026-73258

Mongoose is an embedded web server and network library. Prior to 7.22, a remote attacker can place a lone carriage return or line feed in multipart input processed by mghttpnextmultipart in src/http.c. The loops comparing sb and sb + 1, and sh2 and sh2 + 1, use an incorrect AND condition and stop...

Important: Red Hat Security Advisory: mrtg security update

An update for mrtg is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...