1257 matches found
CVE-2026-106558
A flaw was found in @backstage/plugin-techdocs-node. An authenticated attacker with permissions to register or modify documentation in a source code management SCM repository can bypass configuration sanitization checks. By providing a crafted markdown extension configuration, the attacker can...
Backstage: Improper access control in backend action invocation
Impact An authenticated user could invoke actions that an operator had excluded through action configuration. Existing action permissions and downstream authorization remain enforced. Patches Patched in @backstage/backend-defaults version 0.17.8 Workarounds Limit access to action invocation...
GHSA-3XR5-8W6C-P5GW Backstage: Improper access control in backend action invocation
Impact An authenticated user could invoke actions that an operator had excluded through action configuration. Existing action permissions and downstream authorization remain enforced. Patches Patched in @backstage/backend-defaults version 0.17.8 Workarounds Limit access to action invocation...
EUVD-2026-97833
Backstage: Improper access control in backend action invocation...
CVE-2026-106495
Backstage is an open framework for building developer portals. Prior to 0.17.8, the @backstage/backend-defaults package is affected by improper access control in backend action invocation. An authenticated user could invoke actions that an operator had excluded through action configuration...
CVE-2026-106495 Backstage: Improper access control in backend action invocation
Backstage is an open framework for building developer portals. Prior to 0.17.8, the @backstage/backend-defaults package is affected by improper access control in backend action invocation. An authenticated user could invoke actions that an operator had excluded through action configuration...
CVE-2026-106495 Backstage: Improper access control in backend action invocation
Backstage is an open framework for building developer portals. Prior to 0.17.8, the @backstage/backend-defaults package is affected by improper access control in backend action invocation. An authenticated user could invoke actions that an operator had excluded through action configuration...
CVE-2026-106495
The Backstage framework is affected by an improper access control vulnerability in the @backstage/backend-defaults package. Prior to version 0.17.8 , an authenticated user could successfully invoke backend actions that an operator had specifically excluded through action configuration. While exis...
CVE-2026-106495: Improper Access Control
Backstage is an open framework for building developer portals. Prior to 0.17.8, the @backstage/backend-defaults package is affected by improper access control in backend action invocation. An authenticated user could invoke actions that an operator had excluded through action configuration...
PT-2026-110908
Name of the Vulnerable Software and Affected Versions Backstage versions prior to 0.17.8 Description The @backstage/backend-defaults package contains improper access control regarding backend action invocation. This allows an authenticated user to trigger actions that an operator specifically...
CVE-2026-106491
A flaw was found in the Backstage plugin-proxy-backend component. An authenticated remote attacker can exploit improper input validation by submitting a specially crafted request URL to the proxy backend. This causes the proxy service to forward requests to endpoints outside the configured base...
CVE-2026-106556
A flaw was found in the Backstage plugin-techdocs-node component. Insufficient validation of documentation configuration files during documentation generation allows sanitization checks to be bypassed. An authenticated user with permission to register or modify documentation sources can exploit...
EUVD-2026-93990
Backstage: Insufficient audience validation in the Cloudflare Access auth provider...
Backstage: Insufficient audience validation in the Cloudflare Access auth provider
Impact The Cloudflare Access auth provider verifies a token's signature and team issuer, but affected versions do not verify that the token was issued for the Backstage application. A user holding a valid token for another Access application in the same Cloudflare Zero Trust team may therefore be...
GHSA-Q333-F498-W2X7 Backstage: Insufficient audience validation in the Cloudflare Access auth provider
Impact The Cloudflare Access auth provider verifies a token's signature and team issuer, but affected versions do not verify that the token was issued for the Backstage application. A user holding a valid token for another Access application in the same Cloudflare Zero Trust team may therefore be...
@backstage/plugin-auth-backend (>=0.0.0-nightly-20250225023230, <=0.24.5), @backstage/plugin-auth-backend-module-aws-alb-provider (>=0.0.0-nightly-20250225023230, <=0.4.2) +2 more potentially affected by CVE-2026-106457 via @backstage/plugin-auth-backend-module-cloudflare-access-provider (>=0.1.6-next.2, <=0.4.18)
@backstage/plugin-auth-backend-module-cloudflare-access-provider NPM version =0.1.6-next.2, =0.0.0-nightly-20250225023230, =0.0.0-nightly-20250225023230, =0.0.0-nightly-20250225023230, =0.4.2 - @jiteshy/backstage-plugin-synergy-backend 1.2.2 Source cves: CVE-2026-106457 Source advisory:...
@backstage/plugin-auth-backend (>=0.0.0-nightly-20250225023230, <=0.24.5), @backstage/plugin-auth-backend-module-aws-alb-provider (>=0.0.0-nightly-20250225023230, <=0.4.2) +2 more potentially affected by CVE-2026-106457 via @backstage/plugin-auth-backend-module-cloudflare-access-provider (>=0.1.6-next.2, <=0.4.18)
@backstage/plugin-auth-backend-module-cloudflare-access-provider NPM version =0.1.6-next.2, =0.0.0-nightly-20250225023230, =0.0.0-nightly-20250225023230, =0.0.0-nightly-20250225023230, =0.4.2 - @jiteshy/backstage-plugin-synergy-backend 1.2.2 Source cves: CVE-2026-106457 Source advisory:...
EUVD-2026-93986
Backstage: Improper validation of MkDocs plugin configuration in TechDocs...
Backstage: Improper validation of MkDocs plugin configuration in TechDocs
Impact An authenticated attacker with control over a TechDocs source repository could cause a documentation build to retrieve and publish data from network locations reachable by the build environment. Exposure depends on deployment topology, build mode, and target endpoint protections. Modern...
GHSA-Q38J-6VCM-2F5M Backstage: Improper validation of MkDocs plugin configuration in TechDocs
Impact An authenticated attacker with control over a TechDocs source repository could cause a documentation build to retrieve and publish data from network locations reachable by the build environment. Exposure depends on deployment topology, build mode, and target endpoint protections. Modern...