CVE-2026-106506

A flaw was found in plugin-scaffolder-backend. This vulnerability allows an authenticated user with permission to create and view tasks to access confidential task secrets, resulting in information disclosure. Due to improper input validation in task list ordering, an attacker can submit repeated...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the apiBaseUrl input parameter in the createSentryCreateProjectAction and fetchDSN scaffolder actions, which previously accepted an arbitrary caller-supplied URL without validating it against the...

EUVD-2026-93993

Backstage: Improper input validation in Sentry scaffolder actions...

GHSA-G734-FHP4-7MFP Backstage: Improper input validation in Sentry scaffolder actions

Impact An authenticated internal user who can execute the affected actions may cause the backend to contact unintended destinations and disclose Sentry integration credentials. Subsequent impact depends on network reachability and the privileges granted to the configured token. Patches Upgrade...

External Control of File Name or Path

Overview @backstage/plugin-scaffolder-backend-module-confluence-to-markdown is a The confluence-to-markdown module for @backstage/plugin-scaffolder-backend Affected versions of this package are vulnerable to External Control of File Name or Path via the getAndWriteAttachments function in...

GHSA-2CMG-V53W-8XFP Backstage: Improper repository path validation in a Scaffolder backend module

Impact An authenticated user who can execute an affected template and control its repository file location may cause generated content to be written outside the task workspace, within locations writable by the Backstage backend process. Patches Patched in...

Directory Traversal

Overview @backstage/plugin-scaffolder-backend-module-confluence-to-markdown is a The confluence-to-markdown module for @backstage/plugin-scaffolder-backend Affected versions of this package are vulnerable to Directory Traversal via parsedRepoUrl.filepath in confluenceToMarkdown.ts, where...

Backstage: Improper repository path validation in a Scaffolder backend module

Impact An authenticated user who can execute an affected template and control its repository file location may cause generated content to be written outside the task workspace, within locations writable by the Backstage backend process. Patches Patched in...

@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...

@backstage/plugin-scaffolder-backend (>=0.0.0-nightly-20231213021616, <=3.1.3-next.2) potentially affected by CVE-2026-106462 via @backstage/plugin-scaffolder-backend-module-azure (>=0.0.0-nightly-20240929023448, <=0.2.18-next.1)

@backstage/plugin-scaffolder-backend-module-azure NPM version =0.0.0-nightly-20240929023448, =0.0.0-nightly-20231213021616, =3.1.3-next.2 Source cves: CVE-2026-106462 Source advisory: SNYK:JS-BACKSTAGEPLUGINSCAFFOLDERBACKENDMODULEAZURE-20825382...

@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-gitlab (>=0.0.0-nightly-20240929023448, <=0.11.3-next.2)

@backstage/plugin-scaffolder-backend-module-gitlab 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, =0.1.10, =4.3.2, =0.3.3, =0.3.4 and more Source...

@backstage/plugin-scaffolder-backend (>=0.0.0-nightly-20240207020916, <=3.1.3-next.2), @backstage/plugin-scaffolder-backend-module-bitbucket (>=0.0.0-nightly-20240207020916, <=0.3.20-next.0) potentially affected by CVE-2026-106462 via @backstage/plugin-scaffolder-backend-module-bitbucket-server (>=0.0.0-nightly-20240929023448, <=0.2.19-next.0)

@backstage/plugin-scaffolder-backend-module-bitbucket-server NPM version =0.0.0-nightly-20240929023448, =0.0.0-nightly-20240207020916, =0.0.0-nightly-20240207020916, =0.3.20-next.0 Source cves: CVE-2026-106462 Source advisory: GHSA-29GX-H2M3-XW44...

@backstage/plugin-scaffolder-backend (>=0.0.0-nightly-20240207020916, <=3.1.3-next.2), @backstage/plugin-scaffolder-backend-module-bitbucket (>=0.0.0-nightly-20240207020916, <=0.3.20-next.0) potentially affected by CVE-2026-106462 via @backstage/plugin-scaffolder-backend-module-bitbucket-server (>=0.0.0-nightly-20240929023448, <=0.2.19-next.0)

@backstage/plugin-scaffolder-backend-module-bitbucket-server NPM version =0.0.0-nightly-20240929023448, =0.0.0-nightly-20240207020916, =0.0.0-nightly-20240207020916, =0.3.20-next.0 Source cves: CVE-2026-106462 Source advisory: SNYK:JS-BACKSTAGEPLUGINSCAFFOLDERBACKENDMODULEBITBUCKETSERVER-20825384...

@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) +55 more potentially affected by CVE-2026-106462 via @backstage/plugin-scaffolder-backend-module-bitbucket-cloud (>=0.0.0-nightly-20240929023448, <=0.3.4-next.0)

@backstage/plugin-scaffolder-backend-module-bitbucket-cloud NPM version =0.0.0-nightly-20240929023448, =0.3.10, =0.3.6, =0.1.0, =0.4.0, =0.0.0-nightly-20240207020916, =0.0.0-nightly-20240207020916, =0.2.5, =0.3.5, =0.1.0, =0.2.3, =0.4.3, =0.1.10, =0.1.14 -...

Incorrect Authorization

Overview @backstage/plugin-scaffolder-backend-module-bitbucket-cloud is a The Bitbucket Cloud module for @backstage/plugin-scaffolder-backend Affected versions of this package are vulnerable to Incorrect Authorization via SCM scaffolder actions in bitbucketServer.ts and related action files, wher...

@backstage/plugin-scaffolder-backend (>=0.0.0-nightly-20231213021616, <=3.1.3-next.2) potentially affected by CVE-2026-106462 via @backstage/plugin-scaffolder-backend-module-azure (>=0.0.0-nightly-20240929023448, <=0.2.18-next.1)

@backstage/plugin-scaffolder-backend-module-azure NPM version =0.0.0-nightly-20240929023448, =0.0.0-nightly-20231213021616, =3.1.3-next.2 Source cves: CVE-2026-106462 Source advisory: GHSA-29GX-H2M3-XW44...

@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) +55 more potentially affected by CVE-2026-106462 via @backstage/plugin-scaffolder-backend-module-bitbucket-cloud (>=0.0.0-nightly-20240929023448, <=0.3.4-next.0)

@backstage/plugin-scaffolder-backend-module-bitbucket-cloud NPM version =0.0.0-nightly-20240929023448, =0.3.10, =0.3.6, =0.1.0, =0.4.0, =0.0.0-nightly-20240207020916, =0.0.0-nightly-20240207020916, =0.2.5, =0.3.5, =0.1.0, =0.2.3, =0.4.3, =0.1.10, =0.1.14 -...

@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-gitlab (>=0.0.0-nightly-20240929023448, <=0.11.3-next.2)

@backstage/plugin-scaffolder-backend-module-gitlab 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, =0.1.10, =4.3.2, =0.3.3, =0.3.4 and more Source...

Incorrect Authorization

Overview @backstage/plugin-scaffolder-backend-module-github is a The github module for @backstage/plugin-scaffolder-backend Affected versions of this package are vulnerable to Incorrect Authorization via SCM scaffolder actions in bitbucketServer.ts and related action files, where the actions fall...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization via SCM scaffolder actions in bitbucketServer.ts and related action files, where the actions fall back to server-side integration credentials when no user-supplied token is provided. An authenticated attacker can...