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    6 vulnerabilities by Bohdan Triapitsyn

    CVE-2026-53977 (GCVE-0-2026-53977)

    Vulnerability from nvd – Published: 2026-08-06 14:43 – Updated: 2026-08-06 17:53
    VLAI
    Title
    OpenChamber 1.11.7 Unauthenticated DoS via /api/system/shutdown
    Summary
    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 authentication middleware in the Express route handler chain. Attackers can exploit the route registration order in bootstrap-runtime.js to reach the shutdown handler before auth middleware executes, causing denial of service to all active AI coding sessions and locking out legitimate remote users regardless of whether UI_PASSWORD is configured.
    Severity
    8.7 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
    7.5 (High)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-306 - Missing Authentication for Critical Function
    Assigner
    References
    Impacted products
    Vendor Product Version
    Bohdan Triapitsyn OpenChamber Affected: 0 , ≤ 1.11.7 (semver)
    		Create a notification for this product.
    Date Public
    2026-08-06 00:00
    Credits
    Katriel Moses
    Show details on NVD website
    To clipboard 

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    CVE-2026-53976 (GCVE-0-2026-53976)

    Vulnerability from nvd – Published: 2026-08-06 14:24 – Updated: 2026-08-06 15:07
    VLAI
    Title
    OpenChamber 1.11.7 Path Traversal File Read via allowOutsideWorkspace Parameter
    Summary
    OpenChamber 1.11.7 contains a path traversal vulnerability in the file-serving endpoints /api/fs/read, /api/fs/stat, and /api/fs/raw that allows unauthenticated remote attackers to read arbitrary files by supplying the allowOutsideWorkspace=true query parameter alongside an absolute path, bypassing the workspace boundary check in resolveReadPathFromContext. Attackers can exploit the vacuous isPathWithinRoot guard to read sensitive files such as the JWT signing secret, SSH private keys, API credentials, and environment variables, enabling full authentication bypass by forging session cookies on password-protected deployments.
    Severity
    9.3 (Critical)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
    9.1 (Critical)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
    SSVC
    Exploitation: none Automatable: yes Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
    Assigner
    References
    Impacted products
    Vendor Product Version
    Bohdan Triapitsyn OpenChamber Affected: 0 , ≤ 1.11.7 (semver)
    		Create a notification for this product.
    Date Public
    2026-08-06 00:00
    Credits
    Katriel Moses
    Show details on NVD website
    To clipboard 

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    CVE-2026-53975 (GCVE-0-2026-53975)

    Vulnerability from nvd – Published: 2026-08-06 14:06 – Updated: 2026-08-06 14:45
    VLAI
    Title
    OpenChamber 1.11.7 Unauthenticated RCE via /api/fs/exec
    Summary
    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 verbatim to Node.js spawn() without any allowlist, blocklist, or argument validation. The authentication middleware becomes a no-op when UI_PASSWORD is not configured, matching the default Docker deployment, enabling attackers to execute arbitrary OS commands as the application user and retrieve full command output including stdout, stderr, and exit code from the server response.
    Severity
    9.3 (Critical)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
    9.8 (Critical)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: none Automatable: yes Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
    Assigner
    References
    Impacted products
    Vendor Product Version
    Bohdan Triapitsyn OpenChamber Affected: 0 , ≤ 1.11.7 (semver)
    		Create a notification for this product.
    Date Public
    2026-08-06 00:00
    Credits
    Katriel Moses
    Show details on NVD website
    To clipboard 

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    CVE-2026-53977 (GCVE-0-2026-53977)

    Vulnerability from cvelistv5 – Published: 2026-08-06 14:43 – Updated: 2026-08-06 17:53
    VLAI
    Title
    OpenChamber 1.11.7 Unauthenticated DoS via /api/system/shutdown
    Summary
    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 authentication middleware in the Express route handler chain. Attackers can exploit the route registration order in bootstrap-runtime.js to reach the shutdown handler before auth middleware executes, causing denial of service to all active AI coding sessions and locking out legitimate remote users regardless of whether UI_PASSWORD is configured.
    Severity
    8.7 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
    7.5 (High)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-306 - Missing Authentication for Critical Function
    Assigner
    References
    Impacted products
    Vendor Product Version
    Bohdan Triapitsyn OpenChamber Affected: 0 , ≤ 1.11.7 (semver)
    		Create a notification for this product.
    Date Public
    2026-08-06 00:00
    Credits
    Katriel Moses
    Show details on NVD website
    To clipboard 

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    CVE-2026-53976 (GCVE-0-2026-53976)

    Vulnerability from cvelistv5 – Published: 2026-08-06 14:24 – Updated: 2026-08-06 15:07
    VLAI
    Title
    OpenChamber 1.11.7 Path Traversal File Read via allowOutsideWorkspace Parameter
    Summary
    OpenChamber 1.11.7 contains a path traversal vulnerability in the file-serving endpoints /api/fs/read, /api/fs/stat, and /api/fs/raw that allows unauthenticated remote attackers to read arbitrary files by supplying the allowOutsideWorkspace=true query parameter alongside an absolute path, bypassing the workspace boundary check in resolveReadPathFromContext. Attackers can exploit the vacuous isPathWithinRoot guard to read sensitive files such as the JWT signing secret, SSH private keys, API credentials, and environment variables, enabling full authentication bypass by forging session cookies on password-protected deployments.
    Severity
    9.3 (Critical)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
    9.1 (Critical)
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    SSVC
    Exploitation: none Automatable: yes Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
    Assigner
    References
    Impacted products
    Vendor Product Version
    Bohdan Triapitsyn OpenChamber Affected: 0 , ≤ 1.11.7 (semver)
    		Create a notification for this product.
    Date Public
    2026-08-06 00:00
    Credits
    Katriel Moses
    Show details on NVD website
    To clipboard 

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    CVE-2026-53975 (GCVE-0-2026-53975)

    Vulnerability from cvelistv5 – Published: 2026-08-06 14:06 – Updated: 2026-08-06 14:45
    VLAI
    Title
    OpenChamber 1.11.7 Unauthenticated RCE via /api/fs/exec
    Summary
    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 verbatim to Node.js spawn() without any allowlist, blocklist, or argument validation. The authentication middleware becomes a no-op when UI_PASSWORD is not configured, matching the default Docker deployment, enabling attackers to execute arbitrary OS commands as the application user and retrieve full command output including stdout, stderr, and exit code from the server response.
    Severity
    9.3 (Critical)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
    9.8 (Critical)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: none Automatable: yes Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
    Assigner
    References
    Impacted products
    Vendor Product Version
    Bohdan Triapitsyn OpenChamber Affected: 0 , ≤ 1.11.7 (semver)
    		Create a notification for this product.
    Date Public
    2026-08-06 00:00
    Credits
    Katriel Moses
    Show details on NVD website
    To clipboard 

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