VulnerabilityPublished 10 Jun 2026

CVE-2026-53471: migration-planner · Insecure Direct Object Reference

Affects migration-plannerSource CVE Database V5

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Not known to be exploited · CVSS 9.6 Critical : upgrade to 0.13.5 as a priority.

Data as of 29 Oct 2026, 19:04 UTC

CVSS 3.1 base score

9.6Critical

How severe the flaw is on the 0–10 CVSS scale.

EPSS: 0.2% chance of exploitation in 30 days – higher than 21% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch: Available – fixed in 0.13.5

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

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

Bold values are the worst case: easiest to exploit or largest impact.

Attack Vector: Network: The vulnerable component is bound to the network stack and the set of possible attackers extends beyond the other options listed, up to and including the entire Internet. Such a vulnerability is often termed 'remotely exploitable' and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers).
Attack Complexity: Low: Specialized access conditions or extenuating circumstances do not exist. An attacker can expect repeatable success against the vulnerable component.
Privileges Required: Low: The attacker is authorized with (i.e., requires) privileges that provide basic user capabilities that could normally affect only settings and files owned by a user. Alternatively, an attacker with Low privileges may have the ability to cause an impact only to non-sensitive resources.
User Interaction: None: The vulnerable system can be exploited without any interaction from any user.
Scope: Changed: An exploited vulnerability can affect resources beyond the security scope managed by the security authority of the vulnerable component. In this case, the vulnerable component and the impacted component are different and managed by different security authorities.
Confidentiality: High: There is total loss of confidentiality, resulting in all resources within the impacted component being divulged to the attacker. Alternatively, access to only some restricted information is obtained, but the disclosed information presents a direct, serious impact.
Integrity: High: There is a total loss of integrity, or a complete loss of protection. For example, the attacker is able to modify any/all files protected by the impacted component. Alternatively, only some files can be modified, but malicious modification would present a direct, serious consequence to the impacted component.
Availability: None: There is no impact to availability within the impacted component.

Definitions: FIRST CVSS v3.1 specification.

Exploitation evidence

Disclosed: evidence found.
CVE published 10 Jun 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponized: A Metasploit exploit module or Exploit-DB entry exists (Metasploit scanner modules do not count), or CISA SSVC or the CVSS exploit maturity reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

What to do

Upgrade migration-planner to 0.13.5.

Affected software

Product	Affected	Fixed in
GitHubmigration-planner`pkg:github/migration-planner`Other threats	Affected <0.13.5	Fixed in 0.13.5

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

A patch is available for migration-planner versions prior to 0.13.5. Users should upgrade to version 0.13.5 or later to remediate this vulnerability. Red Hat's advisory states that no currently supported Red Hat products are affected, so no action is required for those users. For other users of migration-planner, applying the official patch or update is the recommended mitigation.

Description

CVE-2026-53471 is a critical authorization bypass vulnerability in migration-planner. The agent-API middleware fails to validate the source_id claim in JSON Web Tokens (JWTs) against the requested source ID in certain handlers. This flaw allows an authenticated attacker with a valid agent token to manipulate data across different tenants, breaking tenant isolation. Potential impacts include unauthorized overwriting of inventory, planting malicious credential URLs, or corrupting migration assessments. Red Hat has assessed that this vulnerability does not affect any currently supported Red Hat product. A patch is available for affected versions prior to 0.13.5.

Impact

An attacker with a valid agent token can bypass tenant isolation controls, allowing unauthorized modification of data across tenants. This includes overwriting inventory data, planting malicious credential URLs, and corrupting migration assessments. The vulnerability leads to a complete collapse of tenant isolation, resulting in high confidentiality and integrity impact. There is no known active exploitation in the wild. Red Hat confirms no currently supported Red Hat products are affected.

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Exploitation evidence

What to do

Affected software

Description

AI analysisMachine-generated, updated 14 Aug 2026, 16:38 UTC

Technical details

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