CVE-2026-32236

CVE-2026-32236 affects the Backstage npm package @backstage/plugin-auth-backend. The SSRF flaw occurs in the CIMD metadata fetch when auth.experimentalClientIdMetadataDocuments.enabled is true: the initial client_id hostname is validated against private IP ranges, but this validation isn’t enforc...

EUVD-2026-11661

NEXULEAN is a cybersecurity portfolio & service platform for an Ethical Hacker, AI Enthusiast, and Penetration Tester. Prior to 2.0.0, a security vulnerability was identified where Firebase and Web3Forms API keys were exposed. An attacker could use these keys to interact with backend services...

CVE-2026-32138

NEXULEAN is a cybersecurity portfolio & service platform for an Ethical Hacker, AI Enthusiast, and Penetration Tester. Prior to 2.0.0, a security vulnerability was identified where Firebase and Web3Forms API keys were exposed. An attacker could use these keys to interact with backend services...

CVE-2026-32139 Dataease: Unfiltered active SVG content leads to Stored XSS

Dataease is an open source data visualization analysis tool. In DataEase 2.10.19 and earlier, the static resource upload interface allows SVG uploads. However, backend validation only checks whether the XML is parseable and whether the root node is svg. It does not sanitize active content such as...

Exposure of Sensitive System Information to an Unauthorized Control Sphere

Overview @backstage/plugin-scaffolder-backend is a The Backstage backend plugin that helps you create new things Affected versions of this package are vulnerable to Exposure of Sensitive System Information to an Unauthorized Control Sphere via the dry-run endpoint when secrets configured in...

@backstage/plugin-auth-backend-module-aws-alb-provider (0.4.13-next.1), @backstage/plugin-auth-backend-module-oidc-provider (0.4.13-next.1) potentially affected by CVE-2026-32236 via @backstage/plugin-auth-backend (0.27.0-next.1)

@backstage/plugin-auth-backend NPM version 0.27.0-next.1 is affected by a known vulnerability. The following packages have a transitive dependency on @backstage/plugin-auth-backend and may be impacted: - @backstage/plugin-auth-backend-module-aws-alb-provider 0.4.13-next.1 -...

Server-side Request Forgery (SSRF)

Overview @backstage/plugin-auth-backend is an A Backstage backend plugin that handles authentication Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the CIMD metadata fetch when the auth.experimentalClientIdMetadataDocuments.enabled setting is enabled. An...

@backstage/plugin-auth-backend (>=0.0.0-nightly-20240122021809, <=0.22.11), @backstage/plugin-auth-backend-module-aws-alb-provider (>=0.0.0-nightly-20240126021148, <=0.4.13-next.1) +11 more potentially affected by CVE-2026-32236 via @backstage/plugin-auth-backend (>=0.0.0-nightly-20240929023448, <=0.27.0-next.1)

@backstage/plugin-auth-backend NPM version =0.0.0-nightly-20240929023448, =0.0.0-nightly-20240122021809, =0.0.0-nightly-20240126021148, =0.0.0-nightly-20240122021809, =0.0.0-nightly-202201422556, =0.0.0-nightly-202111222339, =0.0.0-nightly-2021102522541, =0.0.0-nightly-20220203021748, =1.0.0,...

@backstage/plugin-auth-backend: SSRF in experimental CIMD metadata fetch

Impact A Server-Side Request Forgery SSRF vulnerability exists in @backstage/plugin-auth-backend when auth.experimentalClientIdMetadataDocuments.enabled is set to true. The CIMD metadata fetch validates the initial clientid hostname against private IP ranges but does not apply the same validation...

@backstage/plugin-auth-backend (>=0.0.0-nightly-20240122021809, <=0.22.11), @backstage/plugin-auth-backend-module-aws-alb-provider (>=0.0.0-nightly-20240126021148, <=0.4.13-next.1) +11 more potentially affected by CVE-2026-32235 via @backstage/plugin-auth-backend (>=0.0.0-nightly-20240929023448, <=0.27.0-next.1)

@backstage/plugin-auth-backend NPM version =0.0.0-nightly-20240929023448, =0.0.0-nightly-20240122021809, =0.0.0-nightly-20240126021148, =0.0.0-nightly-20240122021809, =0.0.0-nightly-202201422556, =0.0.0-nightly-202111222339, =0.0.0-nightly-2021102522541, =0.0.0-nightly-20220203021748, =1.0.0,...

@backstage/plugin-auth-backend (>=0.0.0-nightly-20240122021809, <=0.22.11), @backstage/plugin-auth-backend-module-aws-alb-provider (>=0.0.0-nightly-20240126021148, <=0.4.13-next.1) +11 more potentially affected by CVE-2026-32235 via @backstage/plugin-auth-backend (>=0.0.0-nightly-20240929023448, <=0.27.0-next.1)

@backstage/plugin-auth-backend NPM version =0.0.0-nightly-20240929023448, =0.0.0-nightly-20240122021809, =0.0.0-nightly-20240126021148, =0.0.0-nightly-20240122021809, =0.0.0-nightly-202201422556, =0.0.0-nightly-202111222339, =0.0.0-nightly-2021102522541, =0.0.0-nightly-20220203021748, =1.0.0,...

EUVD-2026-11671

@backstage/plugin-auth-backend: OAuth redirect URI allowlist bypass...

Open Redirect

Overview @backstage/plugin-auth-backend is an A Backstage backend plugin that handles authentication Affected versions of this package are vulnerable to Open Redirect via the OAuth redirect URI validation bypass. An attacker can intercept authorization codes by crafting a redirect URI that bypass...

Winter vulnerable to privilege escalation by authenticated backend users

Impact Affected versions of Winter CMS allowed authenticated backend users to escalate their accounts level of access to the system by modifying the roles / permissions assigned to their account through specially crafted requests to the backend while logged in. To actively exploit this security...

EUVD-2026-11406

Winter vulnerable to privilege escalation by authenticated backend users...

GHSA-PGPF-M8M4-6CG6 Winter vulnerable to privilege escalation by authenticated backend users

Impact Affected versions of Winter CMS allowed authenticated backend users to escalate their accounts level of access to the system by modifying the roles / permissions assigned to their account through specially crafted requests to the backend while logged in. To actively exploit this security...

SUSE CVE-2026-29777

Traefik is an HTTP reverse proxy and load balancer. Prior to 3.6.10, A tenant with write access to an HTTPRoute resource can inject backtick-delimited rule tokens into Traefik's router rule language via unsanitized header or query parameter match values. In shared gateway deployments, this can...

PT-2026-25052

Name of the Vulnerable Software and Affected Versions Backstage versions prior to 0.27.1 Description Backstage is an open framework for building developer portals. A Server-Side Request Forgery SSRF issue exists in the @backstage/plugin-auth-backend component when the...

NEXULEAN 信任管理问题漏洞

NEXULEAN is a personal work collection and service display platform created by Stalin, a cybersecurity professional. Versions of NEXULEAN prior to 2.0.0 had vulnerabilities related to trust management. These vulnerabilities stemmed from the exposure of Firebase and Web3Forms API keys, allowing...

Internet-Scale Measurement of React2Shell Exploitation Using an Active Network Telescope

The increasing adoption of server-side component-based web frameworks has introduced new application-layer attack surfaces that remain insufficiently understood at Internet scale. On 3 December 2025, a critical remote code execution vulnerability CVE-2025-55182 in React Server Components, referre...