#vulnerability

## Summary Critical security vulnerabilities exist in both the `UUIDv4()` and `UUID()` functions of the `github.com/gofiber/utils` package. When the system's cryptographic random number generator (`crypto/rand`) fails, both functions silently fall back to returning predictable UUID values, including the zero UUID `"00000000-0000-0000-0000-000000000000"`. This compromises the security of all Fiber applications using these functions for security-critical operations. **Both functions are vulnerable to the same root cause (`crypto/rand` failure):** - `UUIDv4()`: Indirect vulnerability through `uuid.NewRandom()` → `crypto/rand.Read()` → fallback to `UUID()` - `UUID()`: Direct vulnerability through `crypto/rand.Read(uuidSeed[:])` → silent zero UUID return ## Vulnerability Details ### Affected Functions - **Package**: `github.com/gofiber/utils` - **Functions**: `UUIDv4()` and `UUID()` - **Return Type**: `string` (both functions) - **Locations**: `common.go:93-99` (UUIDv4), `common.go:60-8...

### Summary A CAPTCHA bypass vulnerability in the 1Panel authentication API allows an unauthenticated attacker to disable CAPTCHA verification by abusing a client-controlled parameter. Because the server previously trusted this value without proper validation, CAPTCHA protections could be bypassed, enabling automated login attempts and significantly increasing the risk of account takeover (ATO). ### Details The /api/login endpoint accepts a boolean field named ignoreCaptcha directly from the client request body: `"ignoreCaptcha": true` The backend implementation uses this value to determine whether CAPTCHA validation should be performed: ``` if !req.IgnoreCaptcha { if errMsg := captcha.VerifyCode(req.CaptchaID, req.Captcha); errMsg != "" { helper.BadAuth(c, errMsg, nil) return } } ``` Because req.IgnoreCaptcha is taken directly from user input—with no server-side validation, no session binding, and no privilege checks—any unauthenticated attacker can fo...

## Impact There is a potential vulnerability in Traefik NGINX provider managing the `nginx.ingress.kubernetes.io/proxy-ssl-verify` annotation. The provider inverts the semantics of the `nginx.ingress.kubernetes.io/proxy-ssl-verify` annotation. Setting the annotation to `"on"` (intending to enable backend TLS certificate verification) actually disables verification, allowing man-in-the-middle attacks against HTTPS backends when operators believe they are protected. ## Patches - https://github.com/traefik/traefik/releases/tag/v3.6.3 ## For more information If you have any questions or comments about this advisory, please [open an issue](https://github.com/traefik/traefik/issues). <details> <summary>Original Description</summary> ### Summary A logic error in Traefik's experimental ingress-nginx provider inverts the semantics of the `nginx.ingress.kubernetes.io/proxy-ssl-verify` annotation. Setting the annotation to `"on"` (intending to enable backend TLS certificate verification)...

## Impact There is a potential vulnerability in Traefik managing the requests using a `PathPrefix`, `Path` or `PathRegex` matcher. When Traefik is configured to route the requests to a backend using a matcher based on the path; if the request path contains an encoded restricted character from the following set **('/', '\', 'Null', ';', '?', '#')**, it’s possible to target a backend, exposed using another router, by-passing the middlewares chain. ## Example ```yaml apiVersion: traefik.io/v1alpha1 kind: IngressRoute metadata: name: my-service spec: routes: - match: PathPrefix(‘/admin/’) kind: Rule services: - name: service-a port: 8080 middlewares: - name: my-security-middleware - match: PathPrefix(‘/’) kind: Rule services: - name: service-a port: 8080 ``` In such a case, the request `http://mydomain.example.com/admin%2F` will reach the backend `service-a` without operating the middleware `my-secur...

### Impact This vulnerability affects all Emby Server versions - beta and stable up to the specified versions. It allows an attacker to gain full administrative access to an Emby Server (for Emby Server administration, **not at the OS level**,). Other than network access, no specific preconditions need to be fulfilled for a server to be vulnerable. ### Patches #### Quick Fix A quick fix will be rolled out via an update to one of the default-included Emby Server plugins. This way is chosen because many users are updating their servers manually while plugin updates are typically configured to be applied automatically. This allows to get a patch deployed to a large amount of servers within a single day. #### Server Patches Patched versions for both, Emby Server stable and Emby Server beta are available now. **All Emby Server owners are strongly encouraged to apply those updates as soon as possible.** ### Workarounds > [!NOTE] > These workarounds are OBSOLETE now. Please update E...

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