CVE-2026-55603

A flaw was found in http-proxy-middleware. A remote attacker could exploit a vulnerability in the fixRequestBody function, which is used to re-emit a request body. By injecting carriage return and line feed characters \r\n into a request body key or value, an attacker can bypass security policies...

PT-2026-53671

Name of the Vulnerable Software and Affected Versions Mythic versions prior to 3.4.0.60 Description An authorization bypass exists that allows authenticated users with the spectator role to perform unauthorized write operations. This occurs because the 'eventing import automatic webhook' endpoint...

spikster-auth-bypass-cve

GitHub Security Advisory: Spikster — Complete API Authenticati...

@microsoft/kiota-http-fetchlibrary: Bearer token and Cookie leak across origin on redirect due to case-mismatched scrub in fetchRequestAdapter

Summary @microsoft/kiota-http-fetchlibrary's RedirectHandler is documented as stripping Authorization and Cookie from cross-origin redirect targets, but the default scrubSensitiveHeaders callback in RedirectHandlerOptions uses case-sensitive property deletion delete headers.Authorization, delete...

GO-2026-5760 Traefik Kubernetes CRD allows unauthorized cross-namespace middleware binding in github.com/traefik/traefik

Traefik Kubernetes CRD allows unauthorized cross-namespace middleware binding in github.com/traefik/traefik...

GO-2026-5658 MCP Registry has open redirect via protocol-relative path in trailing-slash middleware in github.com/modelcontextprotocol/registry

MCP Registry has open redirect via protocol-relative path in trailing-slash middleware in github.com/modelcontextprotocol/registry...

GO-2026-5505 Portainer's Kubernetes middleware continues after token validation failure, bypassing endpoint authorization in github.com/portainer/portainer

Portainer's Kubernetes middleware continues after token validation failure, bypassing endpoint authorization in github.com/portainer/portainer. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is...

Insufficient Verification of Data Authenticity

Overview Affected versions of this package are vulnerable to Insufficient Verification of Data Authenticity via the realIP function. An attacker can gain unauthorized access to restricted resources, evade rate limiting, or manipulate security logs by supplying a crafted X-Forwarded-For header...

GHSA-3FXJ-6JH8-HVHX chi Has an IP Spoofing Vulnerability in `middleware.RealIP`

Summary The RealIP middleware in go-chi/chi is vulnerable to IP spoofing because it blindly trusts the first leftmost element of the X-Forwarded-For HTTP header. This allows a remote attacker to bypass IP-based access control lists ACLs and rate-limiting mechanisms by providing a spoofed IP addre...

Use of Less Trusted Source

Overview Affected versions of this package are vulnerable to Use of Less Trusted Source via the realIP function. An attacker can bypass IP-based access controls, rate limiting, and audit logging by sending crafted headers such as X-Forwarded-For, X-Real-IP, or True-Client-IP without validation...

GHSA-RJR7-JGGH-PGCP chi's RealIP Middleware allows IP spoofing via unvalidated X-Forwarded-For header

Summary realip middleware in go-chi/chi trusts headers like x-forwarded-for without checking them, so attackers can fake their ip and bypass rate limits or access controls Details the vuln is in middleware/realip.go , the realIP function pulls IPs straight from client headers and replaces...

Use of Less Trusted Source

Overview Affected versions of this package are vulnerable to Use of Less Trusted Source via the realIP function. An attacker can bypass IP-based access controls, rate limiting, and audit logging by sending crafted headers such as X-Forwarded-For, X-Real-IP, or True-Client-IP without validation...

Origin Validation Error

Overview Affected versions of this package are vulnerable to Origin Validation Error via the RealIP process. An attacker can cause misidentification of the request source IP by manipulating the X-Forwarded-For header, potentially bypassing access controls or falsifying request logs. Remediation...

chi Middleware Vulnerable to Potential IP Spoofing via `X-Forwarded-For` Header in `Request.RemoteAddr` Resolution

Summary The vulnerability allows the Request.RemoteAddr to be spoofed when determining the request source IP via the X-Forwarded-For header. This could result in misidentification of the request source and potentially compromise access control and logging integrity. Details Currently, the RealIP...

Origin Validation Error

Overview Affected versions of this package are vulnerable to Origin Validation Error via the RealIP process. An attacker can cause misidentification of the request source IP by manipulating the X-Forwarded-For header, potentially bypassing access controls or falsifying request logs. Remediation...

EUVD-2026-37005

i18next-fs-backend vulnerable to prototype pollution via crafted missing-key string...

@ainsleydev/payload-helper (>=0.0.1, <=0.0.2), @bsct/payload (1.0.0) +89 more potentially affected by CVE-2026-48714 via i18next-http-middleware (>=3.0.2, <=3.9.6)

i18next-http-middleware NPM version =3.0.2, =0.0.1, =1.0.1, =0.0.1, =0.0.1, =0.0.1, =8.0.0-alpha1, =3.0.0-rc.0, =1.0.0, =1.0.0, =0.0.1, =0.0.1, =1.0.3 and more Source cves: CVE-2026-48714 Source advisory: GHSA-F49M-VF83-692W...

EUVD-2026-37006

i18next-http-middleware: MissingKeyHandler does not reject keys whose segments contain prototype-polluting names...

NPM: i18next-http-middleware: MissingKeyHandler does not reject keys whose segments contain prototype-polluting names

NPM: i18next-http-middleware: MissingKeyHandler does not reject keys whose segments contain prototype-polluting names vulnerability discovered by ? in WordPress Npm i18next-http-middleware versions 3.9.7...

i18next-http-middleware: MissingKeyHandler does not reject keys whose segments contain prototype-polluting names

Impact i18next-http-middleware ≤ 3.9.6's missingKeyHandler blocked the literal request-body keys proto, constructor, and prototype added in 3.9.3, see GHSA-5fgg-jcpf-8jjw, but did not reject dotted variants such as "proto.polluted". Downstream backends that split the missing-key string on a...