Portainer HTTP Headers May Leak to Malicious Container Registries
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| portainer | portainer | affected |
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| Vendor | Product | Versions |
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| Portainer | Portainer | — |
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2025-18631 | Portainer Community Edition is a lightweight service delivery platform for containerized applications that can be used to manage Docker, Swarm, Kubernetes and ACI environments. Prior to STS version 2.31.0 and LTS version 2.27.7, if a Portainer administrator can be convinced to register a malicious container registry, or an existing container registry can be taken over, HTTP Headers (including registry authentication credentials or Portainer session tokens) may be leaked to that registry. This issue has been patched in STS version 2.31.0 and LTS version 2.27.7. |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.417% probability within 30 days)
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| Metrics |
epss
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epss
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| Metrics |
ssvc
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| Description | Portainer Community Edition is a lightweight service delivery platform for containerized applications that can be used to manage Docker, Swarm, Kubernetes and ACI environments. Prior to STS version 2.31.0 and LTS version 2.27.7, if a Portainer administrator can be convinced to register a malicious container registry, or an existing container registry can be taken over, HTTP Headers (including registry authentication credentials or Portainer session tokens) may be leaked to that registry. This issue has been patched in STS version 2.31.0 and LTS version 2.27.7. | |
| Title | Portainer HTTP Headers May Leak to Malicious Container Registries | |
| Weaknesses | CWE-200 | |
| References |
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| Metrics |
cvssV3_1
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