CVE-2026-106506
Last modified
CVE-2026-106506 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. Backstage is an open framework for building developer portals. Prior to 4.1.0, the @backstage/plugin-scaffolder-backend package is affected by improper input validation in scaffolder task list ordering. EPSS estimates a 0.22% chance of exploitation in the next 30 days.
Description
Backstage is an open framework for building developer portals. Prior to 4.1.0, the @backstage/plugin-scaffolder-backend package is affected by improper input validation in scaffolder task list ordering. An authenticated Backstage user with permission to create and read relevant scaffolder tasks may be able to infer confidential task data under specific conditions. Successful exploitation requires retained task secrets, visibility of a target task, knowledge of the secret structure, and repeated requests. This issue is fixed in version 4.1.0.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| backstage | backstage | < 1.54.6 |
| @backstage | plugin-scaffolder-backend | < 4.1.0 |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
Frequently Asked Questions
What is CVE-2026-106506?
How severe is CVE-2026-106506?
How do I fix CVE-2026-106506?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-106500Backstage is an open framework for building developer portal…8.5
- CVE-2026-106501Backstage is an open framework for building developer portal…9.6
- CVE-2026-106502Backstage is an open framework for building developer portal…5.3
- CVE-2026-106503Backstage is an open framework for building developer portal…8.1
- CVE-2026-106504Backstage is an open framework for building developer portal…6.5
- CVE-2026-106505Backstage is an open framework for building developer portal…7.7
- CVE-2026-106507Backstage is an open framework for building developer portal…5.3
- CVE-2026-106508Backstage is an open framework for building developer portal…5.3
- CVE-2026-106509Backstage is an open framework for building developer portal…7.7
- CVE-2026-10651bt_sdp_parse_attribute() in subsys/bluetooth/host/classic/sd…6.5
- CVE-2026-106510Backstage is an open framework for building developer portal…7.7
- CVE-2026-106511MultiversX's multisig-improved (repository: mx-multisig-and-…9.8
Are you affected by CVE-2026-106506?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST