Oracle Helidon vulnerabilities

CVE-2026-73876 [HIGH] CWE-284 CVE-2026-73876: Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 4.0.0-4.5.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. While the vulnerability is in Helidon, attacks may significantly impact additiona

CVE-2026-73886 [HIGH] CWE-284 CVE-2026-73886: Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 4.0.0-4.4.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. While the vulnerability is in Helidon, attacks may significantly impact additiona

CVE-2026-73928 [HIGH] CWE-284 CVE-2026-73928: Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 4.0.0-4.5.2. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. While the vulnerability is in Helidon, attacks may significantly impact additiona

CVE-2021-37136 [HIGH] CWE-400 CVE-2021-37136: The Bzip2 decompression decoder function doesn't allow setting size restrictions on the decompressed The Bzip2 decompression decoder function doesn't allow setting size restrictions on the decompressed output data (which affects the allocation size used during decompression). All users of Bzip2Decoder are affected. The malicious input can trigger an OOME and so a DoS attack

CVE-2026-71162 [MEDIUM] CWE-284 CVE-2026-71162: Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 3.0.0-3.2.17. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized access t

CVE-2026-71029 [MEDIUM] CWE-284 CVE-2026-71029: Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 3.0.0-3.2.17. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. While the vulnerability is in Helidon, attacks may significantly impact addi

CVE-2026-83460 [MEDIUM] CWE-284 CVE-2026-83460: Vulnerability in the Helidon product of Oracle Fusion Middleware (component: LRA). Supported versio Vulnerability in the Helidon product of Oracle Fusion Middleware (component: LRA). Supported versions that are affected are 4.0.0-4.5.4. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized update, insert or delete acces

CVE-2026-73904 [MEDIUM] CWE-284 CVE-2026-73904: Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 4.0.0-4.5.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized update, ins

CVE-2026-73867 [MEDIUM] CWE-284 CVE-2026-73867: Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 3.0.0-3.2.17. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized update, in

CVE-2026-73893 [MEDIUM] CWE-284 CVE-2026-73893: Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 4.0.0-4.4.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized update, ins

CVE-2026-73868 [MEDIUM] CWE-284 CVE-2026-73868: Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 4.0.0-4.4.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized update, ins

CVE-2026-73892 [MEDIUM] CWE-284 CVE-2026-73892: Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 4.0.0-4.4.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized update, ins

CVE-2026-73897 [MEDIUM] CWE-284 CVE-2026-73897: Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 4.0.0-4.4.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized update, ins

CVE-2026-73896 [MEDIUM] CWE-284 CVE-2026-73896: Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 4.0.0-4.4.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP/2 to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized read acce

CVE-2026-73914 [MEDIUM] CWE-284 CVE-2026-73914: Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 4.0.0-4.4.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized read access

CVE-2026-73909 [MEDIUM] CWE-284 CVE-2026-73909: Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 3.0.0-3.2.18. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized access t

CVE-2026-70716 [MEDIUM] CWE-284 CVE-2026-70716: Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 3.0.0-3.2.17 and 4.0.0-4.4.1. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unaut

CVE-2021-43797 [MEDIUM] CWE-444 CVE-2021-43797: Netty is an asynchronous event-driven network application framework for rapid development of maintai Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. Netty prior to version 4.1.71.Final skips control chars when they are present at the beginning / end of the header name. It should instead fail fast as these are not allowed by the spec and could lead

CVE-2021-29425 [MEDIUM] CWE-20 CVE-2021-29425: In Apache Commons IO before 2.7, When invoking the method FileNameUtils.normalize with an improper i In Apache Commons IO before 2.7, When invoking the method FileNameUtils.normalize with an improper input string, like "//../foo", or "\\..\foo", the result would be the same value, thus possibly providing access to files in the parent directory, but not further above (thus "limited" path traversal), if the calling code would use the result to constru

CVE-2021-21409 [MEDIUM] CWE-444 CVE-2021-21409: Netty is an open-source, asynchronous event-driven network application framework for rapid developme Netty is an open-source, asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. In Netty (io.netty:netty-codec-http2) before version 4.1.61.Final there is a vulnerability that enables request smuggling. The content-length header is not correctly validated if the requ