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CVE-2026-32768

Ctfer-io Chall-manager broken access control

9.9 CRITICALEPSS 0.52%
  1. Published20 Mar 2026

Description

Chall-Manager is a platform-agnostic system able to start Challenges on Demand of a player. In versions prior to 0.6.5, due to a miswritten NetworkPolicy, a malicious actor can pivot from an instance to any Pod out of the origin namespace. This breaks the security-by-default property expected as part of the deployment program, leading to a potential lateral movement. In the specific case of sdk/kubernetes.Kompose it does not isolate the instances. This issue has been fixed in version 0.6.5.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected products

Ctfer-io Chall-manager< 0.6.5

Remediation

Fixed in
Ctfer-io Chall-manager≥ 0.6.5

References

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Frequently asked

Is CVE-2026-32768 being actively exploited?

CVE-2026-32768 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.52%.

How severe is CVE-2026-32768?

CVE-2026-32768 has a CVSS 3.1 base score of 9.9, rated critical. EPSS estimates a 0.52% probability of exploitation.

Which products are affected by CVE-2026-32768?

Affected products include Ctfer-io Chall-manager.

How do I fix CVE-2026-32768?

Upgrade affected software to a fixed version, for example Ctfer-io Chall-manager 0.6.5 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-32768 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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