CVE-2026-8830

Technical details (affected product/version, root cause specifics, impact, or remediation) are not publicly available in the provided documents; monitor for updates.

CVE-2026-8830

A flaw was found in Keycloak. An authenticated user can bypass configured WebAuthn policies during credential registration by manipulating client-side JavaScript. This occurs because the server-side processAction fails to validate that the newly created credential's parameters, such as public key...

Client-Side Enforcement of Server-Side Security

Overview org.keycloak:keycloak-services is an open source identity and access management solution for modern applications and services. Affected versions of this package are vulnerable to Client-Side Enforcement of Server-Side Security through the processAction registration flow in the WebAuthn...

CVE-2026-8830: Use of Client-Side Authentication

A flaw was found in Keycloak. An authenticated user can bypass configured WebAuthn policies during credential registration by manipulating client-side JavaScript. This occurs because the server-side processAction fails to validate that the newly created credential's parameters, such as public key...

CVE-2026-42098: Use of Client-Side Authentication

Sparx Enterprise Architect software has a security feature that limits user's actions to those specified in the role. An authenticated attacker can modify the Enterprise Architect client behavior e.g. using a debugger and log in as any other user or administrator - then it is possible to do every...

Stored Cross-Site Scripting (XSS)

nukeviet/nukeviet is vulnerable to Stored Cross-Site Scripting XSS. The vulnerability is due to insufficient server-side input sanitization in the Request class, which relies primarily on client-side filtering, allowing an attacker to bypass validation by modifying HTTP requests and inject...

GHSA-J76W-P754-G2W7 Mattermost doesn't validate the response body of proxied images

Mattermost versions 11.5.x = 11.5.1, 10.11.x = 10.11.13, 11.4.x = 11.4.3 fail to validate the response body of proxied images, which allows a remote attacker to enact client-side DoS via an SVG file served from an attacker-controlled origin under a non-SVG Content-Type header e.g. image/png...

CVE-2026-43887

Outline is a service that allows for collaborative documentation. From 0.84.0 to 1.6.1, the Outline comment section permits users to mention other users; however, the backend does not validate or sanitize the href attribute associated with these mentions. As a result, potentially dangerous...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS in the Display template option of the Set field type, where user-supplied input is processed by the $interpolate function and rendered via Vue's v-html directive without proper sanitization. An attacker can...

CVE-2026-4054

Mattermost versions 11.5.x = 11.5.1, 10.11.x = 10.11.13, 11.4.x = 11.4.3 Fail to validate the response body of proxied images, which allows a remote attacker to enact client-side DoS via an SVG file served from an attacker-controlled origin under a non-SVG Content-Type header e.g. image/png...

CVE-2026-4054 SVG content served through Mattermost image proxy despite Content-Type restrictions causes client-side denial of service

Mattermost versions 11.5.x = 11.5.1, 10.11.x = 10.11.13, 11.4.x = 11.4.3 Fail to validate the response body of proxied images, which allows a remote attacker to enact client-side DoS via an SVG file served from an attacker-controlled origin under a non-SVG Content-Type header e.g. image/png...

CVE-2026-4054: Improper Check for Unusual or Exceptional Conditions

Mattermost versions 11.5.x = 11.5.1, 10.11.x = 10.11.13, 11.4.x = 11.4.3 Fail to validate the response body of proxied images, which allows a remote attacker to enact client-side DoS via an SVG file served from an attacker-controlled origin under a non-SVG Content-Type header e.g. image/png...

@budibase/server (>=3.32.1, <=3.38.1), @builders-of-stuff/svelte-sui-wallet-adapter (>=0.6.6, <=2.1.0) +64 more potentially affected by CVE-2026-42573 via svelte (>=5.0.0, <=5.55.5)

svelte NPM version =5.0.0, =3.32.1, =0.6.6, =4.0.0-alpha.1, =4.0.0-alpha.1, =0.1.0, =0.0.1, =1.3.0, =0.1.4, =0.0.20, =0.15.0-beta.2, =1.1.0-beta.0, =5.0.0-next.80, =5.0.0-test.1 and more Source cves: CVE-2026-42573 Source advisory: SNYK:JS-SVELTE-16697541...

org.webjars.npm:event-calendar__core (>=3.1.0, <=3.7.1), org.webjars.npm:event-calendar__day-grid (3.6.2) +2 more potentially affected by CVE-2026-42573 via org.webjars.npm:svelte (>=3.20.1, <=4.2.19)

org.webjars.npm:svelte MAVEN version =3.20.1, =3.1.0, =3.1.0, =3.6.2 - org.webjars.npm:stylesheet-switcher 3.0.0 Source cves: CVE-2026-42573 Source advisory: SNYK:JAVA-ORGWEBJARSNPM-16697542...

@burger-editor/client (>=4.0.0-alpha.62, <=4.0.0-alpha.70), @children-of-atom/reactive-api (0.3.0) +24 more potentially affected by CVE-2026-42567 via svelte (>=5.51.5, <=5.55.5)

svelte NPM version =5.51.5, =4.0.0-alpha.62, =0.0.15, =8.1.10, =6.1.0, =0.1.0, =2.6.0, =6.4.1, =6.4.1, =4.0.0-alpha.4, =5.0.0-rc.0, =5.0.0-rc.0, =4.18.0, =1.28.0, =1.0.0-dev.35, =1.0.0-dev.54 and more Source cves: CVE-2026-42567 Source advisory: SNYK:JS-SVELTE-16697648...

org.webjars.npm:event-calendar__core (>=3.1.0, <=3.7.1), org.webjars.npm:event-calendar__day-grid (3.6.2) +2 more potentially affected by CVE-2026-42567 via org.webjars.npm:svelte (>=3.20.1, <=4.2.19)

org.webjars.npm:svelte MAVEN version =3.20.1, =3.1.0, =3.1.0, =3.6.2 - org.webjars.npm:stylesheet-switcher 3.0.0 Source cves: CVE-2026-42567 Source advisory: SNYK:JAVA-ORGWEBJARSNPM-16697649...

GHSA-R29H-37FJ-X2W6 Open WebUI Has Stored Cross-Site Scripting in SVG Renderer

Summary There is a Cross-Site Scripting vulnerability in Open WebUI SVG renderer implementation. Details It is possible permanently save any HTML/JavaScript code in the application, which can be then executed in the context of the application domain. This behaviour can be used to extract and stea...

EUVD-2026-30155

The HCL BigFix SCM Reporting site contains an outdated and unsupported version of the jQuery 1.x library. Since jQuery 1.x has reached end-of-life and no longer receives security updates, it may expose the application to publicly known security weaknesses and increase the risk of client-side...

openssh: Fix of CVE-2026-35386

CVE-2026-35386: fix client-side command execution via control characters in usernames by adding iscntrl rejection to validruser...

CVE-2026-8201

A use-after-free vulnerability exists in MongoDB's Field-Level Encryption FLE query analysis component, affecting client-side uses of mongocryptd and cryptshared. Triggering this vulnerability requires control over the structure of a client's FLE-related query. This issue impacts MongoDB Server’s...