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CVE-2026-53977: OpenChamber 0 through 1.11.7
CVE-2026-53977. CVSS 3.1 base score 7.5 (HIGH, Vendor/CNA). EPSS 0.00967 (percentile 0.61438), scored 22-Oct-2026.
Affected technology
OpenChamber · 0 through 1.11.7
Bohdan Triapitsyn
Description’s affected range: 1.11.7
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · No user interaction required
What an attacker can do
Unauthenticated remote attackers can terminate the server process by sending a POST request to the /api/system/shutdown endpoint, which is registered before the authentication middleware in the Express route handler chain. Vendor/CNA’s CVSS 4.0 assessment (base score 8.7/10) rates confidentiality and integrity impact as none; availability impact as high.
- CWE
- CWE-306
- CCR priority
- 30.2 /100 (P4)
- CVSS 3.1
- 7.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · Vendor/CNA
- EPSS
- 0.00967 · percentile 0.61438 · 2026-10-22
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-24 01:40:49.068977+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-53977.html