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CVE-2026-53471 — Vulnerability in...

CRITICAL

Openshift Migration Advisor agent-API fails to validate JWT source_id claim, allowing cross-tenant data manipulation

Published June 10, 2026Updated August 18, 2026Source: osv

Summary

A flaw was found in migration-planner. The agent-API middleware processes JSON Web Tokens (JWTs) for authentication, but its UpdateSourceInventory and UpdateAgentStatus handlers fail to validate the source_id claim within these tokens against the requested source ID. This oversight allows an authenticated attacker with a valid agent token to manipulate data across different tenants, leading to a complete collapse of tenant isolation. This could result in unauthorized overwriting of victim inventory, planting of malicious credential URLs, or corruption of migration assessments.

Advisory Timeline

  • First published June 10, 2026 (124 days ago).
  • Last revised August 18, 2026 — 69 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Go
Update github.com/kubev2v/migration-planner to 0.13.5 or later
go get github.com/kubev2v/migration-planner@v0.13.5

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: go (1).

PackageEcosystemAffectedFixed In
github.com/kubev2v/migration-planner
go
All versions0.13.5

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

  • CWE-639
    Insecure Direct Object Reference (IDOR)MITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.6 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
None

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N

References

Frequently Asked Questions

What is CVE-2026-53471?
Openshift Migration Advisor agent-API fails to validate JWT source_id claim, allowing cross-tenant data manipulation This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.6/10).
How do I check if my project is affected by CVE-2026-53471?
CVE-2026-53471 affects github.com/kubev2v/migration-planner. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2026-53471 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.6

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-2fqw-7c6r-2cq6
GO-2026-6228

Related CVEs

  • CVE-2026-53469
    CRITICAL

    Openshift Migration Advisor lacks proper authorization and filtering for its DELETE /api/v1/sources API

  • CVE-2026-53476
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    Assisted Migration Agent: Path traversal in gzipped tarball handling enables arbitrary file write and remote code execution

  • CVE-2026-53475
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    Assisted Migration Agent: Hardcoded insecure Transport Layer Security (TLS) connections during vCenter communication

  • CVE-2026-107806
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    Nginx UI: Authenticated Remote Code Execution via Backup Restore App Config Overwrite

  • CVE-2026-68582
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    Vikunja: Link-share token reads any tenant's kanban buckets and enumerates usernames/IDs instance-wide (BOLA)

  • CVE-2026-53470
    CRITICAL

    Openshift Migration Advisor: Broken access control in migration-planner image-url endpoint exposes other users' OVA images and agent JWTs

  • CVE-2026-53474
    CRITICAL

    Openshift Migration Advisor: Improper input sanitization allows specially crafted RVTools .xlsx files to include malicious SQL commands

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