Actual Sync Server: CORS Proxy GitHub API Allowlist Prefix Bypass Leaks Private Repositories Through the Server GitHub Token

Summary Actual Sync Server's CORS proxy is intended to let authenticated users fetch resources only from repositories listed in the official plugin allowlist. When ACTUALGITHUBTOKEN is configured, the proxy automatically attaches the server's GitHub token to GitHub requests. The GitHub API...

Security update for golang-github-prometheus-alertmanager (important)

openSUSE security update: security update for golang-github-prometheus-alertmanager ------------------------------------------------------------- Announcement ID: openSUSE-SU-2026:22027-1 Rating: important References: bsc1266615 bsc1269834 Cross-References: CVE-2026-2303 CVE-2026-39821 CVSS score...

CVE-2026-97626

Requesting a user or organization profile page GET /username with an Accept: application/rss+xml or Accept: application/atom+xml header returned the owner's activity feed without the visibility check that the profile page and the .rss and .atom routes apply. Anonymous users, restricted users and...

CVE-2026-106462 Backstage: Scaffolder credential handling may allow unintended GitHub authentication fallback

Backstage is an open framework for building developer portals. Prior to 1.54.6, scaffolder source-control actions may not consistently enforce intended credential boundaries. An authenticated user could cause an affected action to fall back to broader integration credentials and perform operation...

CVE-2026-106462

The Backstage open framework for building developer portals is vulnerable in versions prior to 1.54.6 . The scaffolder source-control actions may fail to consistently enforce intended credential boundaries, potentially allowing an authenticated user to trigger an action that falls back to broader...

CVE-2026-106462 Backstage: Scaffolder credential handling may allow unintended GitHub authentication fallback

Backstage is an open framework for building developer portals. Prior to 1.54.6, scaffolder source-control actions may not consistently enforce intended credential boundaries. An authenticated user could cause an affected action to fall back to broader integration credentials and perform operation...

@alithya-oss/backstage-plugin-scaffolder-backend-module-aws-apps (>=0.3.10, <=0.3.12), @alithya-oss/plugin-scaffolder-backend-module-aws-apps (>=0.3.6, <=0.3.9) +54 more potentially affected by CVE-2026-106462 via @backstage/plugin-scaffolder-backend-module-github (>=0.0.0-nightly-20240929023448, <=0.9.6-next.2)

@backstage/plugin-scaffolder-backend-module-github NPM version =0.0.0-nightly-20240929023448, =0.3.10, =0.3.6, =0.1.0, =0.4.0, =0.0.0-nightly-20231213021616, =0.2.5, =0.3.5, =0.1.0, =0.2.3, =0.4.3, =4.3.2, =0.3.3, =0.3.4 and more Source cves: CVE-20...

CVE-2026-106462 Backstage: Scaffolder credential handling may allow unintended GitHub authentication fallback

Backstage is an open framework for building developer portals. Prior to 1.54.6, scaffolder source-control actions may not consistently enforce intended credential boundaries. An authenticated user could cause an affected action to fall back to broader integration credentials and perform operation...

CVE-2026-96890

A Server-Side Request Forgery SSRF vulnerability was identified in GitHub Enterprise Server that allowed a repository contributor to cause the appliance to issue requests to attacker-controlled internal hosts, which could be chained to achieve remote code execution on the appliance. The secret...

CVE-2026-103620

A missing authorization vulnerability was identified in GitHub Enterprise Server that allowed a repository collaborator with write access to delete the current default branch through the GraphQL API and cause an attacker-controlled branch to become the new default. In repositories that required...

CVE-2026-96890

A Server-Side Request Forgery (SSRF) vulnerability exists in GitHub Enterprise Server (versions 3.20, 3.21, and 3.22). The flaw stems from the secret scanning validator for GCP service account credentials , which trusted the token endpoint embedded in a committed credential and issued requests wi...

CVE-2026-96890 Server-Side Request Forgery vulnerability was identified in GitHub Enterprise Server that allowed requests to attacker-controlled internal hosts

A Server-Side Request Forgery SSRF vulnerability was identified in GitHub Enterprise Server that allowed a repository contributor to cause the appliance to issue requests to attacker-controlled internal hosts, which could be chained to achieve remote code execution on the appliance. The secret...

EUVD-2026-93667

A Server-Side Request Forgery SSRF vulnerability was identified in GitHub Enterprise Server that allowed a repository contributor to cause the appliance to issue requests to attacker-controlled internal hosts, which could be chained to achieve remote code execution on the appliance. The secret...

CVE-2026-96890 Server-Side Request Forgery vulnerability was identified in GitHub Enterprise Server that allowed requests to attacker-controlled internal hosts

A Server-Side Request Forgery SSRF vulnerability was identified in GitHub Enterprise Server that allowed a repository contributor to cause the appliance to issue requests to attacker-controlled internal hosts, which could be chained to achieve remote code execution on the appliance. The secret...

CVE-2026-103620 Missing authorization in GitHub Enterprise Server allowed repository writers to replace default branches via GraphQL

A missing authorization vulnerability was identified in GitHub Enterprise Server that allowed a repository collaborator with write access to delete the current default branch through the GraphQL API and cause an attacker-controlled branch to become the new default. In repositories that required...

CVE-2026-103620

A missing authorization vulnerability in GitHub Enterprise Server allows repository collaborators with write access to delete the current default branch using the GraphQL API . This flaw enables an attacker to set an attacker-controlled branch as the new default. In repositories requiring pull-re...

CVE-2026-103620 Missing authorization in GitHub Enterprise Server allowed repository writers to replace default branches via GraphQL

A missing authorization vulnerability was identified in GitHub Enterprise Server that allowed a repository collaborator with write access to delete the current default branch through the GraphQL API and cause an attacker-controlled branch to become the new default. In repositories that required...

EUVD-2026-93666

A missing authorization vulnerability was identified in GitHub Enterprise Server that allowed a repository collaborator with write access to delete the current default branch through the GraphQL API and cause an attacker-controlled branch to become the new default. In repositories that required...

OPENSUSE-SU-2026:22027-1 Security update for golang-github-prometheus-alertmanager

This update for golang-github-prometheus-alertmanager fixes the following issues: Changes in golang-github-prometheus-alertmanager: - CVE-2026-39821: Fix validation bypass and privilege escalation by updating golang.org/x/net to version 0.57.0 bsc1266615 - Update to version 0.33.1 jscPED-16708:...

PT-2026-107309

Requesting a user or organization profile page GET /username with an Accept: application/rss+xml or Accept: application/atom+xml header returned the owner's activity feed without the visibility check that the profile page and the .rss and .atom routes apply. Anonymous users, restricted users and...