What is CVE-2026-53977?

CVE-2026-53977 is a high-severity vulnerability in Bohdan Triapitsyn Openchamber, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2026-08-06.

How severe is CVE-2026-53977?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Bohdan Triapitsyn Openchamber

CVE-2026-53977

OpenChamber 1.11.7 contains an authentication bypass vulnerability that allows unauthenticated remote attackers to terminate the server process by sending a POST request to the /api/system/shutdown endpoint, which is registered before the…

Vulnerability class: Broken Authentication

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Bohdan Triapitsyn Openchamber — versions 0

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

disclosure@vulncheck.com (product)
disclosure@vulncheck.com (patch)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-53977?: CVE-2026-53977 is a high-severity vulnerability in Bohdan Triapitsyn Openchamber, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2026-08-06.
How severe is CVE-2026-53977?: High severity. CVSS v3 base score is 7.5 out of 10.