CVE-2026-106493
3.0 · LOWBackstage is an open framework for building developer portals.
Overview
CVE-2026-106493 is a low-severity vulnerability affecting linuxfoundation backstage. It was published on October 6, 2026 and has a CVSS 3.1 base score of 3.0 (LOW).
This vulnerability has a CVSS 3.1 base score of 3.0, rated LOW. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical description
Backstage is an open framework for building developer portals. Prior to 1.54.6, cloud storage catalog providers did not sufficiently validate object paths. A principal able to create or rename objects in a configured Azure Blob Storage or AWS S3 catalog source could cause catalog descriptors to be read from outside the intended storage boundary, limited to locations reachable with the backend's configured credentials. This issue is fixed in 1.54.6.
Remediation
Check the references section for vendor advisories and patches from linuxfoundation. Update backstage to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| linuxfoundation | backstage | >= 0, < 1.54.6 | Affected |
| linuxfoundation | backstage\/backend-defaults | >= 0, < 0.17.8 | Affected |
| linuxfoundation | backstage\/plugin-catalog-backend-module-aws | >= 0, < 0.4.27 | Affected |
| linuxfoundation | backstage\/plugin-catalog-backend-module-azure | >= 0, < 0.3.21 | Affected |
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Frequently asked questions
What is CVE-2026-106493?
CVE-2026-106493 is a low-severity vulnerability affecting linuxfoundation backstage. It was published on October 6, 2026 and has a CVSS 3.1 base score of 3.0 (LOW).
How severe is CVE-2026-106493?
This vulnerability has a CVSS 3.1 base score of 3.0, rated LOW. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2026-106493?
Check the references section for vendor advisories and patches from linuxfoundation. Update backstage to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-106493?
CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-106493 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.
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