ChallengesApplication · Educoder

CVE-2025-45479

CRITICAL · 9.8 CVSS v3.1 Published 2025-07-07
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
100/100
Remediation priority · Urgent
Public exploit Remotely reachable No privileges Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
Insufficient security mechanisms for created containers in educoder challenges v1.0 allow attackers to execute arbitrary code via injecting crafted content into a container.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · moderate confidence

Insufficient security mechanisms in educoder challenges v1.0 allow attackers to inject crafted content into containers created for educational challenges, enabling arbitrary code execution. This is a container isolation/containment bypass vulnerability where the platform fails to properly secure the containers used to run user code in a sandboxed environment.

MitigationImplement proper container isolation by using non-privileged containers, read-only filesystems, restricted capabilities, network segmentation, and validating/sanitizing all user input before it reaches container execution environments.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
ChallengesApplication
Affected:= 1.0

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Confirm Educoder Challenges platform is in use
    Identify if your environment hosts or runs the Educoder Challenges educational platform. Look for application identifiers, service names, or documentation referencing 'educoder' or 'challenges' platform.
    Affected if Your system runs the Educoder Challenges platform
  2. Verify installed version is 1.0
    Check the installed Educoder Challenges package, binary, or service for its version number. Compare against version 1.0 specifically, as only this exact version is listed as affected.
    Affected if The installed version is exactly 1.0
  3. Inspect container creation mechanism
    Examine the container instantiation logic, APIs, or scripts used by the platform to create containers for challenge environments. Look for how user-provided content is passed to container creation.
    Affected if Container creation directly incorporates user input without apparent sanitization
  4. Check for input validation on container content
    Review any code, configuration, or filters that handle content injected into containers. Verify if there are validation routines for container images, volumes, environment variables, or startup commands.
    Affected if No input validation or sanitization is implemented for container content
  5. Review container isolation settings
    Examine container runtime configuration, privilege settings, namespace isolation, and capability flags used by the platform when spawning containers.
    Affected if Containers run with excessive privileges or lack proper isolation boundaries

You are affected if your environment runs Educoder Challenges version 1.0 and the platform allows unchecked content injection into container creation processes without validation or proper isolation.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

From vendor data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Implement proper container isolation by using non-privileged containers, read-only filesystems, restricted capabilities, network segmentation, and validating/sanitizing all user input before it reaches container execution environments.

Fix this in Challenges Scoped from the published advisory
  • Consultation8.0 h
  • Implementation32.0 h
  • Testing16.0 h
  • Review / QA8.0 h
64.0 hours of engineering $11,200
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Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2025-45479 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.

References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2025-45479 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data