Backstage is an open framework for building developer portals. Prior to 1.14.6, the @backstage/plugin-techdocs-node package is affected by configuration bypass in techdocs mkdocs.yml sanitization. Insufficient validation of MkDocs configuration during TechDocs generation could allow an authenticated user who can register or modify documentation sources to execute arbitrary commands in the build environment.
Impact is limited to resources accessible to the TechDocs backend or build container. This issue is fixed in versions 1.14.6 and 1.15.4.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
High
Difficult to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption
CVSS Vector v3.1
Weakness Type (CWE)
Vulnerable Products 9
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Linuxfoundation Backstage
cpe:2.3:a:linuxfoundation:backstage:*:*:*:*:*:*:*:*
|
— |
1.50.5
|
|
Linuxfoundation Backstage
cpe:2.3:a:linuxfoundation:backstage:*:*:*:*:*:*:*:*
|
1.51.1
|
1.54.6
|
|
Linuxfoundation Backstage
cpe:2.3:a:linuxfoundation:backstage:1.51.0:-:*:*:*:*:*:*
|
— | — |
|
Linuxfoundation Backstage
cpe:2.3:a:linuxfoundation:backstage:1.51.0:next0:*:*:*:*:*:*
|
— | — |
|
Linuxfoundation Backstage
cpe:2.3:a:linuxfoundation:backstage:1.51.0:next1:*:*:*:*:*:*
|
— | — |
|
Linuxfoundation Backstage
cpe:2.3:a:linuxfoundation:backstage:1.51.0:next2:*:*:*:*:*:*
|
— | — |
|
Linuxfoundation Backstage
cpe:2.3:a:linuxfoundation:backstage:1.51.0:next3:*:*:*:*:*:*
|
— | — |
|
Linuxfoundation Backstage_Plugin-Techdocs-Node
cpe:2.3:a:linuxfoundation:backstage_plugin-techdocs-node:*:*:*:*:*:*:*:*
|
— |
1.14.6
|
|
Linuxfoundation Backstage_Plugin-Techdocs-Node
cpe:2.3:a:linuxfoundation:backstage_plugin-techdocs-node:*:*:*:*:*:*:*:*
|
1.15.0
|
1.15.4
|
References 5
https://github.com/backstage/backstage/commit/25125ee727a3de3418a8fa6a9e458cd5b…
security-advisories@github.com
https://github.com/backstage/backstage/commit/b6d1aea0bef99b8dfec3c874603247486…
security-advisories@github.com
https://github.com/backstage/backstage/releases/tag/v1.50.5
security-advisories@github.com
https://github.com/backstage/backstage/releases/tag/v1.54.6
security-advisories@github.com
https://github.com/backstage/backstage/security/advisories/GHSA-g2hj-v2j6-vfvg
security-advisories@github.com