rpc2wc

RPC to WebClient The information for this code can be found at this blog post. Recommend reading before attempting to use anything here. Code for triggering WebClient through an RPC call. Since it did not end up panning out the code was never very cleaned up and very much remained in a proof of...

CVE-2017-11882

CVE-2017-11882 CVE-2017-11882: https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11882 MITRE CVE-2017-11882: https://vulners.com/cve/CVE-2017-11882 Research: https://embedi.com/blog/skeleton-closet-ms-office-vulnerability-you-didnt-know-about Patch analysis:...

IceWarp Email Client - Cross Site Scripting

Cross Site Scripting vulnerability in IceWarp Corporation WebClient v.10.2.1 allows a remote attacker to execute arbitrary code via a crafted payload to the mid parameter. id: CVE-2023-39598 info: name: IceWarp Email Client - Cross Site Scripting author: Imjust0 severity: medium description: |...

CVE-2025-33053-Checker-PoC

CVE-2025-33053 Vulnerability Checker & Proof-of-Concept PoC Checker Proof PoC Proof A complete set of tools to check and demonstrate potential exploitation of CVE-2025-33053 , a critical WebDAV-based Remote Code Execution RCE vulnerability affecting Windows systems. 📌 About CVE-2025-33053...

SharpStartWebclient

SharpStartWebclient Run from an unprivileged session to start the WebClient service and enable that juicy privesc. C port of the Beacon Object File from https://github.com/outflanknl/C2-Tool-Collection/blob/main/BOF/StartWebClient/SOURCE/StartWebClient.c...

netty-resolver-dns-check

netty-resolver-dns-check Offline checker for three DNS cache poisoning CVEs in io.netty:netty-resolver-dns — CVE-2026-45674 , CVE-2026-47691 and CVE-2026-45673 — and for the question the version number cannot answer: is your application actually using that resolver? If you use Spring WebClient, t...

The vulnerability of the WebClient Service in Windows operating systems allows attackers to exploit their elevated privileges.

The vulnerability of the WebClient Service on Windows operating systems is related to the use of memory after it is released. Exploiting this vulnerability can allow an attacker to increase their privileges...

CVE-2026-83276

Vulnerability in the Helidon product of Oracle Fusion Middleware component: helidon-webclient-http2. Supported versions that are affected are 4.0.0-4.5.4. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP/2 to compromise Helidon. Successful attacks of...

EUVD-2026-79628

Vulnerability in the Helidon product of Oracle Fusion Middleware component: helidon-webclient-http2. Supported versions that are affected are 4.0.0-4.5.4. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP/2 to compromise Helidon. Successful attacks of...

CVE-2026-83276

CVE-2026-83276 affects the helidon-webclient-http2 component of Oracle Helidon (part of Oracle Fusion Middleware), versions 4.0.0 through 4.5.4 . An unauthenticated attacker with network access via HTTP/2 can trigger a hang or frequently repeatable crash, resulting in a complete denial of service...

CVE-2026-83276: Uncontrolled Resource Consumption

Vulnerability in the Helidon product of Oracle Fusion Middleware component: helidon-webclient-http2. Supported versions that are affected are 4.0.0-4.5.4. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP/2 to compromise Helidon. Successful attacks of...

PT-2026-92798

Name of the Vulnerable Software and Affected Versions Oracle Fusion Middleware Helidon versions 4.0.0 through 4.5.4 Description A flaw in the helidon-webclient-http2 component allows an unauthenticated attacker with network access via HTTP/2 to compromise the system. This can lead to a hang or a...

CVE-2026-72965

Use after free in Windows WebClient Service allows an authorized attacker to elevate privileges locally...

CVE-2026-72965

CVE-2026-72965 is a use-after-free vulnerability in the Windows WebClient Service that allows an authorized local attacker to achieve privilege elevation . The CVSS v3.1 score is 7.8 (HIGH) with a vector of AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H, indicating a local attack requiring low privileges an...

EUVD-2026-73894

Use after free in Windows WebClient Service allows an authorized attacker to elevate privileges locally...

Windows WebClient Service Elevation of Privilege Vulnerability

Use after free in Windows WebClient Service allows an authorized attacker to elevate privileges locally...

PT-2026-87880

Use after free in Windows WebClient Service allows an authorized attacker to elevate privileges locally...

CVE-2026-72965: Use After Free

Use after free in Windows WebClient Service allows an authorized attacker to elevate privileges locally...

io.vertx/vertx-web: Eclipse Vert.x Web Client: Information disclosure via improper cookie domain validation

A flaw was found in Eclipse Vert.x Web Client. The WebClientSession component does not properly validate the Domain attribute of a Set-Cookie response header against the originating server's domain. This vulnerability allows a remote attacker to inject a cookie scoped to an arbitrary third-party...

EUVD-2026-43592

SAP CRM WebClient UI allows an attacker to inject and execute malicious scripts in the context of the application due to the absence of a Content Security Policy CSP configuration for certain restrictive directives. This vulnerability has a low impact on the integrity of the application...