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CVE-2026-33990

Docker Model Runner server-side request forgery (SSRF)

9.1 CRITICALEPSS 0.29%
  1. Published1 Apr 2026

Description

Docker Model Runner (DMR) is software used to manage, run, and deploy AI models using Docker. Prior to version 1.1.25, Docker Model Runner contains an SSRF vulnerability in its OCI registry token exchange flow. When pulling a model, Model Runner follows the realm URL from the registry's WWW-Authenticate header without validating the scheme, hostname, or IP range. A malicious OCI registry can set the realm to an internal URL (e.g., http://127.0.0.1:3000/), causing Model Runner running on the host to make arbitrary GET requests to internal services and reflect the full response body back to the caller. Additionally, the token exchange mechanism can relay data from internal services back to the attacker-controlled registry via the Authorization: Bearer header. This issue has been patched in version 1.1.25. For Docker Desktop users, enabling Enhanced Container Isolation (ECI) blocks container access to Model Runner, preventing exploitation. However, if the Docker Model Runner is exposed to localhost over TCP in specific configurations, the vulnerability is still exploitable.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

Docker Model Runner< 1.1.25

Remediation

Fixed in
Docker Model Runner≥ 1.1.25

References

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Frequently asked

Is CVE-2026-33990 being actively exploited?

CVE-2026-33990 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.29%.

How severe is CVE-2026-33990?

CVE-2026-33990 has a CVSS 3.1 base score of 9.1, rated critical. EPSS estimates a 0.29% probability of exploitation.

Which products are affected by CVE-2026-33990?

Affected products include Docker Model Runner.

How do I fix CVE-2026-33990?

Upgrade affected software to a fixed version, for example Docker Model Runner 1.1.25 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.