CVE-2026-4054 SVG content served through Mattermost image proxy despite Content-Type restrictions causes client-side denial of service

Mattermost versions 11.5.x = 11.5.1, 10.11.x = 10.11.13, 11.4.x = 11.4.3 Fail to validate the response body of proxied images, which allows a remote attacker to enact client-side DoS via an SVG file served from an attacker-controlled origin under a non-SVG Content-Type header e.g. image/png...

@utcp/http: SSRF via attacker-controlled OpenAPI servers[0].url in HTTP communication protocol

Summary The @utcp/http package is vulnerable to a blind Server-Side Request Forgery SSRF caused by a trust-boundary inconsistency between manual discovery and tool invocation. registerManual validates the discovery URL against an HTTPS / loopback allowlist, but callTool reuses the resolved...

GHSA-MGQ6-4X29-88R3 Portainer's Kubernetes middleware continues after token validation failure, bypassing endpoint authorization

Summary Portainer proxies requests to Kubernetes clusters through a middleware layer kubeClientMiddleware that validates the requesting user's token before forwarding traffic to the cluster. When security.RetrieveTokenData returned an error, the middleware wrote an HTTP 403 response but was missi...

Infinite loop

Overview Affected versions of this package are vulnerable to Infinite loop through insufficient validation and missing safety mechanisms during symlink resolution. An attacker can cause infinite loops and resource exhaustion by providing crafted or malformed input that triggers uncontrolled...

CVE-2026-29201

Insufficient input validation of the feature file name in feature::LOADFEATUREFILE adminbin call can cause arbitrary file read when a relative file path is passed...

net/url: Incorrect parsing of IPv6 host literals in net/url

The Go standard library function net/url.Parse insufficiently validated the host/authority component and accepted some invalid URLs by effectively treating garbage before an IP-literal as ignorable. The function should have rejected this as invalid...

PT-2026-38404

Name of the Vulnerable Software and Affected Versions css parser versions prior to 1.22.0 css parser versions prior to 2.1.0 Description The software fails to validate HTTPS connections when loading stylesheets, which allows a Man-in-the-Middle MITM attacker to inject or modify CSS content. This...

ROS-20260507-73-0003

Vulnerability in roundcubemail related to lack of validation of received requests. Exploitation of the vulnerability could allow a remote attacker to disclose protected information...

CVE-2026-7990

Insufficient validation of untrusted input in Updater in Google Chrome on Windows prior to 148.0.7778.96 allowed a local attacker to perform OS-level privilege escalation via a malicious file. Chromium security severity: Medium...

net/url: Incorrect parsing of IPv6 host literals in net/url

The Go standard library function net/url.Parse insufficiently validated the host/authority component and accepted some invalid URLs by effectively treating garbage before an IP-literal as ignorable. The function should have rejected this as invalid...

CVE-2026-41926 WDR201A WiFi Extender OS Command Injection via firewall.cgi

WDR201A WiFi Extender HW V2.1, FW LFMZX28040922V1.02 contains an OS command injection vulnerability in the firewall.cgi binary across five request handlers that apply insufficient input validation. Attackers can inject arbitrary shell commands through vulnerable parameters like websURLFilter,...

Security Bulletin: PyJWT Fails to Validate Critical (crit) Header Parameter, Allowing Token Acceptance

Summary PyJWT is a JSON Web Token implementation in Python. Prior to 2.12.0, PyJWT does not validate the crit Critical Header Parameter defined in RFC 7515 §4.1.11. When a JWS token contains a crit array listing extensions that PyJWT does not understand, the library accepts the token instead of...

CVE-2026-37458

Missing input validation in the MPREACHNLRI component of FRRouting FRR stable/10.0 to stable/10.6 allows authenticated attackers to cause a Denial of Service DoS via supplying a crafted UPDATE message...

CVE-2026-6967 Missing Delegated Metadata Validation in awslabs/tough

Missing expiration, hash, and length enforcement in delegated metadata validation in awslabs/tough before tough-v0.22.0 allows remote authenticated users with delegated signing authority to bypass TUF specification integrity checks for delegated targets metadata and poison the local metadata cach...

TOTOLINK A3300R pppoeMtu Parameter Command Injection Vulnerability

TOTOLINK A3300R is a wireless router from China's Gion Electronics TOTOLINK. The TOTOLINK A3300R pppoeMtu parameter suffers from a command injection vulnerability that stems from the firmware failing to properly validate user input for the pppoeMtu parameter in /cgi-bin/cstecgi.cgi, which can be...

CVE-2026-40623 SenseLive X3050 Missing Authorization

A vulnerability in SenseLive X3050's web management interface allows critical system and network configuration parameters to be modified without sufficient validation and safety controls. Due to inadequate enforcement of constraints on sensitive functions, parameters such as IP addressing, watchd...

TOTOLINK A3300R 命令注入漏洞

TOTOLINK A3300R is a wireless router from China's Gion Electronics TOTOLINK. A command injection vulnerability exists in the TOTOLINK A3300R stunuser parameter, which originates from the failure of the stunuser parameter in the cstecgi.cgi file to properly validate user input, and can be exploite...

net/url: Incorrect parsing of IPv6 host literals in net/url

The Go standard library function net/url.Parse insufficiently validated the host/authority component and accepted some invalid URLs by effectively treating garbage before an IP-literal as ignorable. The function should have rejected this as invalid...

CVE-2026-40248

free5GC is an open-source implementation of the 5G core network. In versions 4.2.1 and below of the UDR service, the handler for creating or updating Traffic Influence Subscriptions checks whether the influenceId path segment equals subs-to-notify, but does not return after sending the HTTP 404...

net/url: Incorrect parsing of IPv6 host literals in net/url

The Go standard library function net/url.Parse insufficiently validated the host/authority component and accepted some invalid URLs by effectively treating garbage before an IP-literal as ignorable. The function should have rejected this as invalid...