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CVE-2026-53471

Migration-planner: agent api ignores jwt source_id claim

Published: Jun 10, 2026Updated: Jun 10, 2026 Sources: CVE List NVD
NVD MITRE
9.6CVSS
CRITICAL

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.

EPSS Score
N/A
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:CC:HI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:NAvailability
None

Affected Products

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

References

https://access.redhat.com/security/cve/CVE-2026-53471
access.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2487070
bugzilla.redhat.com
https://github.com/kubev2v/migration-planner/pull/1213
github.com

Timeline

Published
Jun 10, 2026
Last Updated
Jun 10, 2026

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