GHSA-XM5Q-P7W3-X6CP Backstage: Explicit negative email verification can be ignored during shared OAuth profile normalization

Impact Several Passport-based authentication providers use shared OAuth profile normalization from @backstage/plugin-auth-node. Affected versions may pass an email to email-based sign-in resolvers even when verification metadata supplied for that same address is explicitly negative. The...

AZL-107300 CVE-2026-107161 affecting package cyrus-sasl-bootstrap 2.1.28-8

A heap-based buffer overflow flaw was found in Cyrus SASL. The addtochallenge function in the DIGEST-MD5 plugin computes the size of the buffer needed for a challenge/response field before DIGEST-MD5 quoting is applied, but does not recompute that size when quoting escaping special characters mak...

Exploit for CVE-2026-105844

CVE-2026-105844 — Payload CMS import-export prototype pollutio...

MAL-2026-17667 Malicious code in tailwind-animatecss-uniform (npm)

tailwind-animatecss-uniform 2.0.7 was published to npm on 2026-09-28 by the account ares0320. The package is part of a fake job interview campaign that targets developers, using the same method as the "Contagious Interview" campaign. A fake company sends a take-home coding assessment repository...

Backstage: Remote code execution via crafted markdown_extensions in TechDocs mkdocs.yml

Impact An authenticated user who can register catalog entities can provide a crafted mkdocs.yml causing arbitrary OS command execution on the TechDocs build host when the docs are built. Patches Patched in @backstage/plugin-techdocs-node, version 1.15.4. Workarounds If you cannot upgrade...

@backstage/plugin-search-backend-module-techdocs (>=0.0.0-nightly-20260415031804, <=0.4.18-next.0), @backstage/plugin-techdocs-backend (>=0.0.0-nightly-2021111822616, <=2.2.3-next.1) +2 more potentially affected by CVE-2026-106510 via @backstage/plugin-techdocs-node (>=1.0.0, <=1.15.3)

@backstage/plugin-techdocs-node NPM version =1.0.0, =0.0.0-nightly-20260415031804, =0.0.0-nightly-2021111822616, =0.11.13, =0.0.0-nightly-2021111822616, =1.11.4-next.0 Source cves: CVE-2026-106510 Source advisory: OSV:GHSA-4488-J8VJ-VQQV...

@backstage/plugin-search-backend-module-techdocs (>=0.0.0-nightly-20260415031804, <=0.4.18-next.0), @backstage/plugin-techdocs-backend (>=0.0.0-nightly-2021111822616, <=2.2.3-next.1) +2 more potentially affected by CVE-2026-106510 via @backstage/plugin-techdocs-node (>=1.0.0, <=1.15.3)

@backstage/plugin-techdocs-node NPM version =1.0.0, =0.0.0-nightly-20260415031804, =0.0.0-nightly-2021111822616, =0.11.13, =0.0.0-nightly-2021111822616, =1.11.4-next.0 Source cves: CVE-2026-106510 Source advisory: GHSA-4488-J8VJ-VQQV...

@backstage/plugin-search-backend-module-techdocs (0.4.19-next.0), @backstage/plugin-techdocs-backend (2.3.1-next.0) +1 more potentially affected by CVE-2026-106558 via @backstage/plugin-techdocs-node (2.0.1-next.0)

@backstage/plugin-techdocs-node NPM version 2.0.1-next.0 is affected by a known vulnerability. The following packages have a transitive dependency on @backstage/plugin-techdocs-node and may be impacted: - @backstage/plugin-search-backend-module-techdocs 0.4.19-next.0 -...

@backstage/plugin-search-backend-module-techdocs (>=0.0.0-nightly-20260822023239, <=0.4.18-next.0), @backstage/plugin-techdocs-backend (>=0.0.0-nightly-20260827035829, <=2.2.3-next.1) +1 more potentially affected by CVE-2026-106558 via @backstage/plugin-techdocs-node (>=1.15.1-next.0, <=1.15.3)

@backstage/plugin-techdocs-node NPM version =1.15.1-next.0, =0.0.0-nightly-20260822023239, =0.0.0-nightly-20260827035829, =0.0.0-nightly-20260823023807, =1.11.4-next.0 Source cves: CVE-2026-106558 Source advisory: SNYK:JS-BACKSTAGEPLUGINTECHDOCSNODE-20825497...

@backstage/plugin-search-backend-module-techdocs (>=0.0.0-nightly-20260415031804, <=0.4.14-next.0), @backstage/plugin-techdocs-backend (>=0.0.0-nightly-2021111822616, <=2.1.8-next.0) +2 more potentially affected by CVE-2026-106558 via @backstage/plugin-techdocs-node (>=1.0.0, <=1.14.6-next.0)

@backstage/plugin-techdocs-node NPM version =1.0.0, =0.0.0-nightly-20260415031804, =0.0.0-nightly-2021111822616, =0.11.13, =0.0.0-nightly-2021111822616, =1.10.8-next.0 Source cves: CVE-2026-106558 Source advisory: SNYK:JS-BACKSTAGEPLUGINTECHDOCSNODE-20825497...

Backstage: Improper validation of TechDocs MkDocs configuration

Impact An attacker who can provide configuration to a TechDocs build may execute code in the generator runtime. Impact is greatest when documentation generation runs with backend credentials or host access. Patches Patched in @backstage/plugin-techdocs-node version 1.15.4. Workarounds Use externa...

Deserialization of Untrusted Data

Overview @backstage/plugin-techdocs-node is a Common node.js functionalities for TechDocs, to be shared between techdocs-backend plugin and techdocs-cli Affected versions of this package are vulnerable to Deserialization of Untrusted Data in sanitizeMkdocsYml within mkdocsPatchers.ts via malforme...

@backstage/plugin-search-backend-module-techdocs (>=0.0.0-nightly-20260415031804, <=0.4.18-next.0), @backstage/plugin-techdocs-backend (>=0.0.0-nightly-2021111822616, <=2.2.3-next.1) +2 more potentially affected by CVE-2026-106558 via @backstage/plugin-techdocs-node (>=1.0.0, <=1.15.3)

@backstage/plugin-techdocs-node NPM version =1.0.0, =0.0.0-nightly-20260415031804, =0.0.0-nightly-2021111822616, =0.11.13, =0.0.0-nightly-2021111822616, =1.11.4-next.0 Source cves: CVE-2026-106558 Source advisory: OSV:GHSA-QMW3-745M-W99G...

@backstage/plugin-search-backend-module-techdocs (>=0.0.0-nightly-20260415031804, <=0.4.18-next.0), @backstage/plugin-techdocs-backend (>=0.0.0-nightly-2021111822616, <=2.2.3-next.1) +2 more potentially affected by CVE-2026-106558 via @backstage/plugin-techdocs-node (>=1.0.0, <=1.15.3)

@backstage/plugin-techdocs-node NPM version =1.0.0, =0.0.0-nightly-20260415031804, =0.0.0-nightly-2021111822616, =0.11.13, =0.0.0-nightly-2021111822616, =1.11.4-next.0 Source cves: CVE-2026-106558 Source advisory: GHSA-QMW3-745M-W99G...

GHSA-QMW3-745M-W99G Backstage: Improper validation of TechDocs MkDocs configuration

Impact An attacker who can provide configuration to a TechDocs build may execute code in the generator runtime. Impact is greatest when documentation generation runs with backend credentials or host access. Patches Patched in @backstage/plugin-techdocs-node version 1.15.4. Workarounds Use externa...

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...

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...

Backstage has incorrect authorization in search engine permission filtering

Impact An authenticated Backstage user subject to a DENY policy for search document types could receive search results they were not authorized to view. This affects deployments with permission.enabled: true and an Elasticsearch or OpenSearch search backend. Patches - Upgrade...

@backstage/plugin-kubernetes (>=0.0.0-nightly-202010102951, <=0.4.2), @devangelista/backstage-scaffolder-kubernetes (>=0.4.0, <=0.5.0) +3 more potentially affected by CVE-2026-106563 via @backstage/plugin-kubernetes-backend (>=0.0.0-nightly-20260928023907, <=0.20.4)

@backstage/plugin-kubernetes-backend NPM version =0.0.0-nightly-20260928023907, =0.0.0-nightly-202010102951, =0.4.0, =1.0.0, =1.1.0, =1.15.1, =2.9.1 Source cves: CVE-2026-106563 Source advisory: OSV:GHSA-R9PH-3637-55PX...