What is CVE-2026-32768?

CVE-2026-32768 is a critical-severity vulnerability in Ctfer-io Chall-manager, classified under Improper Access Control. CVSS score: 9.9/10. Published 2026-03-20.

How severe is CVE-2026-32768?

Critical severity. CVSS v3 base score is 9.9 out of 10.

Vulnerability in Ctfer-io Chall-manager

CVE-2026-32768

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…

EPSS: 0.003 (20.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: 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 — versions < 0.6.5

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

security-advisories@github.com (x_refsource_CONFIRM, Mitigation, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2026-32768?: CVE-2026-32768 is a critical-severity vulnerability in Ctfer-io Chall-manager, classified under Improper Access Control. CVSS score: 9.9/10. Published 2026-03-20.
How severe is CVE-2026-32768?: Critical severity. CVSS v3 base score is 9.9 out of 10.