What is CVE-2026-53975?

CVE-2026-53975 is a critical-severity vulnerability in Bohdan Triapitsyn Openchamber, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-08-06.

How severe is CVE-2026-53975?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Bohdan Triapitsyn Openchamber

CVE-2026-53975

OpenChamber 1.11.7 contains an unauthenticated remote code execution vulnerability that allows remote attackers to execute arbitrary shell commands by sending crafted POST requests to the /api/fs/exec endpoint, which passes commands verbat…

Vulnerability class: Command Injection (OS Command Injection)

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Bohdan Triapitsyn Openchamber — versions 0

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

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

Frequently asked questions

What is CVE-2026-53975?: CVE-2026-53975 is a critical-severity vulnerability in Bohdan Triapitsyn Openchamber, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-08-06.
How severe is CVE-2026-53975?: Critical severity. CVSS v3 base score is 9.8 out of 10.