HIGHpublic-safe

CVE-2026-106455

NVD: Backstage is an open framework for building developer portals. NVD: From 0.11.12 until 1.14.7 and 1.15.5, the @backstage/plugin-techdocs-node package is affected by improper validation of mkdocs plugin configuration in techdocs. NVD: 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.

CVSS
7.7 Severity
HIGH EPSS
0.0033 (25) KEV
-

Source-published summary

Possible impact

Source describes authenticated boundary. Possible impact: This high severity issue needs human triage to confirm exposure, affected versions, and vendor guidance for authenticated boundary.

Affected context

vendor/product: linuxfoundation / backstage_plugin-techdocs-node; affected version context: 1.51.0

Remediation / advisory

Remediation reference present; patch status requires confirmation in the linked advisory.

Why it matters

Source describes authenticated boundary. Possible impact: This high severity issue needs human triage to confirm exposure, affected versions, and vendor guidance for authenticated boundary.; CVSS 7.7 (HIGH); EPSS percentile 25; not listed in KEV; Remediation reference present; patch status requires confirmation in the linked advisory; sources: NVD, OSV, Vendor Advisory.

What to verify

Confirm affected product/version, vendor advisory, patch or mitigation, and exposure.

Exposure hint

authenticated boundary

Impact tags

authenticated boundary review

Urgency reasons

CVSS HIGHaffected product presentvendor advisory presentrecent updateremediation reference present

Source-derived note

Summary derived from NVD / OSV / Vendor Advisory description; unsafe procedural detail is not shown.

Redaction metadata

source summary used: True
fallback summary used: False
unsafe procedural detail present: false
raw source displayed: false
public summary redacted: true

Remediation handoff

Public-safe static handoff for human/Codex remediation planning. Scan, patch, external execution, and auto remediation are disabled.

Handoff JSON Handoff Markdown Safe Codex prompt

Safety note

This radar shows source-published defensive context only. Exploit procedures, exploit strings, scanner commands, and auto-remediation are not provided.