CVE-2026-32301

CVE-2026-32301 affects Centrifugo up to 6.6.x. An unauthenticated attacker can cause SSRF by crafting a JWT whose iss or aud claims interpolate into a dynamic JWKS endpoint URL before token verification, triggering Centrifugo to make a request to an attacker‑controlled destination. The dynamic JW...

CVE-2026-32301 Centrifugo: SSRF via unverified JWT claims interpolated into dynamic JWKS endpoint URL

Centrifugo is an open-source scalable real-time messaging server. Prior to 6.7.0, Centrifugo is vulnerable to Server-Side Request Forgery SSRF when configured with a dynamic JWKS endpoint URL using template variables e.g. tenant. An unauthenticated attacker can craft a JWT with a malicious iss or...

Uncontrolled Recursion

Overview Affected versions of this package are vulnerable to Uncontrolled Recursion via the parse function due to using a recursive revive phase to resolve circular references in deserialized JSON. An attacker can cause a stack overflow and crash the process by supplying a crafted payload with...

CVE-2026-32141

flatted is a circular JSON parser. Prior to 3.4.0, flatted's parse function uses a recursive revive phase to resolve circular references in deserialized JSON. When given a crafted payload with deeply nested or self-referential $ indices, the recursion depth is unbounded, causing a stack overflow...

CVE-2026-32141

flatted is a circular JSON parser. Prior to 3.4.0, flatted's parse function uses a recursive revive phase to resolve circular references in deserialized JSON. When given a crafted payload with deeply nested or self-referential $ indices, the recursion depth is unbounded, causing a stack overflow...

CVE-2026-32141

flatted is a circular JSON parser. Prior to 3.4.0, flatted's parse function uses a recursive revive phase to resolve circular references in deserialized JSON. When given a crafted payload with deeply nested or self-referential $ indices, the recursion depth is unbounded, causing a stack overflow...

CVE-2026-32141

flatted is a circular JSON parser. Prior to 3.4.0, flatted's parse function uses a recursive revive phase to resolve circular references in deserialized JSON. When given a crafted payload with deeply nested or self-referential $ indices, the recursion depth is unbounded, causing a stack overflow...

CVE-2026-32141 flatted: Unbounded recursion DoS in parse() revive phase

flatted is a circular JSON parser. Prior to 3.4.0, flatted's parse function uses a recursive revive phase to resolve circular references in deserialized JSON. When given a crafted payload with deeply nested or self-referential $ indices, the recursion depth is unbounded, causing a stack overflow...

SUSE CVE-2026-31837

Istio is an open platform to connect, manage, and secure microservices. Prior to 1.29.1, 1.28.5, and 1.27.8, a user of Istio is impacted if the JWKS resolver becomes unavailable or the fetch fails, exposing hardcoded defaults regardless of use of the RequestAuthentication resource. This...

BIT-ENVOY-2026-26309 Envoy has an off-by-one write in JsonEscaper::escapeString()

Envoy is a high-performance edge/middle/service proxy. Prior to 1.37.1, 1.36.5, 1.35.8, and 1.34.13, an off-by-one write in Envoy::JsonEscaper::escapeString can corrupt std::string null-termination, causing undefined behavior and potentially leading to crashes or out-of-bounds reads when the...

Malicious Package

Overview json-specparse is a malicious package. This package contains malicious code, and its content was removed from the official package manager. While this package might be attempting to impersonate a valid organization, there is no connection between that organization and this package...

MAL-2026-1368 Malicious code in json-specparse (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 28ad383c55884ea3f12626f13a56f36b7fbc1eab649de47cfcb657478162850c The package json-specparse was found to contain malicious code. Source: ghsa-malware 18627c1c0def6faaa8722de5bc97f27981110eaf8844500039b842de043d2f62...

pyjwt 安全漏洞

pyjwt is a Python library developed by José Padilla from the United States. It allows for the encoding and decoding of JSON Web Tokens JWTs. pyjwt has security vulnerabilities, stemming from the lack of validation for the crit header parameter. This vulnerability may allow the acceptance of JWS...

Origin Validation Error

Overview Affected versions of this package are vulnerable to Origin Validation Error in the token exchange endpoint /api/1.0/unity-control/auth/tokens that processes JWTs. An attacker can gain unauthorized access and impersonate any user by supplying a JWT with a malicious issuer, as the endpoint...

CVE-2026-3958

A vulnerability has been found in Woahai321 ListSync up to 0.6.6. This issue affects the function requests.post of the file list-sync-main/apiserver.py of the component JSON Handler. The manipulation leads to server-side request forgery. The attack is possible to be carried out remotely. The...

CVE-2026-3958 Woahai321 ListSync JSON api_server.py requests.post server-side request forgery

A vulnerability has been found in Woahai321 ListSync up to 0.6.6. This issue affects the function requests.post of the file list-sync-main/apiserver.py of the component JSON Handler. The manipulation leads to server-side request forgery. The attack is possible to be carried out remotely. The...

CVE-2026-27478

CVE-2026-27478 relates to Unity Catalog (0.4.0 and earlier). The vulnerability is a critical authentication bypass in the token exchange endpoint at /api/1.0/unity-control/auth/tokens, where the issuer (iss) claim from incoming JWTs is used to dynamically fetch the JWKS endpoint for signature val...

CVE-2026-27478 Unity Catalog has a JWT Issuer Validation Bypass Allows Complete User Impersonation

Unity Catalog is an open, multi-modal Catalog for data and AI. In 0.4.0 and earlier, a critical authentication bypass vulnerability exists in the Unity Catalog token exchange endpoint /api/1.0/unity-control/auth/tokens. The endpoint extracts the issuer iss claim from incoming JWTs and uses it to...

CVE-2026-27478

Unity Catalog is an open, multi-modal Catalog for data and AI. In 0.4.0 and earlier, a critical authentication bypass vulnerability exists in the Unity Catalog token exchange endpoint /api/1.0/unity-control/auth/tokens. The endpoint extracts the issuer iss claim from incoming JWTs and uses it to...

CVE-2026-31837

A flaw was found in Istio. A user of Istio could be impacted if the JSON Web Key Set JWKS resolver becomes unavailable or fails to fetch keys. This vulnerability can lead to the exposure of hardcoded default settings, potentially bypassing authentication mechanisms and allowing unauthorized acces...