{"id":"CVE-2026-55863","aliases":["EUVD-2026-78931","GHSA-j67x-q29f-qcvv","PYSEC-2026-2665"],"status":"published","title":"motionEye: Missing authentication on ActionHandler allows unauthenticated camera action execution","description":"motionEye (mEye) is an online interface for a piece of software called \"motion,\" which is a video surveillance program with motion detection. Prior to 0.44.0, the ActionHandler.post() method in motioneye/handlers/action.py lacks the BaseHandler.auth() decorator, allowing an unauthenticated remote attacker to send requests to /action/\u003ccamera_id\u003e/\u003caction\u003e. The endpoint can trigger snapshot, record_start, and record_stop actions. When an administrator has configured action scripts, the same endpoint can invoke PTZ controls, alarm actions, lighting actions, and other predefined commands, and configured remote motionEye cameras can allow server-side requests to the remote camera service. This issue is fixed in version 0.44.0.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00496,"percentile":0.4288,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-862"],"published":"2026-06-23T18:37:51Z","modified":"2026-10-28T02:30:44Z","fixes":[{"ecosystem":"PyPI","package":"motioneye","fixed_in":["0.44.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"motioneye","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.44.0"}]}]},{"source":"osv","ecosystem":"PyPI","package":"motioneye","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.44.0"}]}],"versions":["0.27","0.27.1","0.27.2","0.28","0.28.1","0.28.2","0.28.3","0.29","0.29.1","0.29rc1","0.29rc2","0.30","0.30rc1","0.30rc2","0.31","0.31.1","0.31.2","0.31.3","0.31.4","0.31.5","0.32","0.32.1","0.32.2","0.33","0.33.1","0.33.2","0.33.3","0.33.4","0.34","0.34.1","0.34rc1","0.35","0.35.1","0.35.2","0.35rc1","0.36","0.36.1","0.37","0.37.1","0.37rc1","0.38","0.38.1","0.39","0.39.1","0.39.2","0.39.3","0.40","0.40rc1","0.40rc2","0.40rc3","0.40rc4","0.40rc5","0.41","0.41rc1","0.42","0.42.1","0.43.1","0.43.1b1","0.43.1b2","0.43.1b3","0.43.1b4","0.43.1b5","0.44.0b1","0.44.0b2","0.44.0b3"]},{"source":"osv","ecosystem":"PyPI","package":"motioneye","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.44.0"}]}],"versions":["0.27","0.27.1","0.27.2","0.28","0.28.1","0.28.2","0.28.3","0.29","0.29.1","0.29rc1","0.29rc2","0.30","0.30rc1","0.30rc2","0.31","0.31.1","0.31.2","0.31.3","0.31.4","0.31.5","0.32","0.32.1","0.32.2","0.33","0.33.1","0.33.2","0.33.3","0.33.4","0.34","0.34.1","0.34rc1","0.35","0.35.1","0.35.2","0.35rc1","0.36","0.36.1","0.37","0.37.1","0.37rc1","0.38","0.38.1","0.39","0.39.1","0.39.2","0.39.3","0.40","0.40rc1","0.40rc2","0.40rc3","0.40rc4","0.40rc5","0.41","0.41rc1","0.42","0.42.1","0.43.1","0.43.1b1","0.43.1b2","0.43.1b3","0.43.1b4","0.43.1b5","0.44.0b1","0.44.0b2","0.44.0b3"]}],"products":[{"vendor":"motioneye-project","product":"motioneye"}],"references":[{"url":"https://github.com/motioneye-project/motioneye/security/advisories/GHSA-j67x-q29f-qcvv","tags":["x_refsource_CONFIRM","exploit","advisory","web"]},{"url":"https://github.com/motioneye-project/motioneye/pull/3332","tags":["x_refsource_MISC","fix"]},{"url":"https://github.com/motioneye-project/motioneye/commit/0d5cb9c238a87447dae29812e5bf2ccf323cf3dc","tags":["x_refsource_MISC","fix"]},{"url":"https://github.com/motioneye-project/motioneye/releases/tag/0.44.0","tags":["x_refsource_MISC","web"]},{"url":"https://github.com/advisories/GHSA-j67x-q29f-qcvv","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/55xxx/CVE-2026-55863.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-55863","tags":["advisory"]},{"url":"https://github.com/motioneye-project/motioneye","tags":["package"]},{"url":"https://pypi.org/project/motioneye","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-55863","title":"motionEye: Missing authentication on ActionHandler allows unauthenticated camera action execution","description":"motionEye (mEye) is an online interface for a piece of software called \"motion,\" which is a video surveillance program with motion detection. Prior to 0.44.0, the ActionHandler.post() method in motioneye/handlers/action.py lacks the BaseHandler.auth() decorator, allowing an unauthenticated remote attacker to send requests to /action/\u003ccamera_id\u003e/\u003caction\u003e. The endpoint can trigger snapshot, record_start, and record_stop actions. When an administrator has configured action scripts, the same endpoint can invoke PTZ controls, alarm actions, lighting actions, and other predefined commands, and configured remote motionEye cameras can allow server-side requests to the remote camera service. This issue is fixed in version 0.44.0.","status":"published","published":"2026-09-15T16:46:41.756Z","modified":"2026-09-16T14:56:56.632Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:20:12.260247Z"}],"euvd":[{"id":"EUVD-2026-78931","description":"motionEye (mEye) is an online interface for a piece of software called \"motion,\" which is a video surveillance program with motion detection. Prior to 0.44.0, the ActionHandler.post() method in motioneye/handlers/action.py lacks the BaseHandler.auth() decorator, allowing an unauthenticated remote attacker to send requests to /action/\u003ccamera_id\u003e/\u003caction\u003e. The endpoint can trigger snapshot, record_start, and record_stop actions. When an administrator has configured action scripts, the same endpoint can invoke PTZ controls, alarm actions, lighting actions, and other predefined commands, and configured remote motionEye cameras can allow server-side requests to the remote camera service. This issue is fixed in version 0.44.0.","status":"published","published":"2026-09-15T16:46:41Z","modified":"2026-09-16T14:56:56Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T17:28:15.854171Z"}],"ghsa":[{"id":"GHSA-j67x-q29f-qcvv","title":"motionEye's missing authentication on ActionHandler allows unauthenticated camera action execution","description":"## Summary\n\nThe `ActionHandler.post()` method in motionEye has no authentication decorator, allowing any unauthenticated attacker to trigger camera actions including snapshots, recording start/stop, and configured action scripts (PTZ controls, alarm triggers, etc.).\n\n## Vulnerability Details\n\n**File**: `motioneye/handlers/action.py` — `ActionHandler.post()` line 36\n**CWE**: CWE-862 — Missing Authorization\n**CVSS**: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N = 5.3 Medium\n\n### Vulnerable Code\n\n```python\nclass ActionHandler(BaseHandler):\n    async def post(self, camera_id, action):   # ← NO @BaseHandler.auth() decorator\n        camera_id = int(camera_id)\n        if camera_id not in config.get_camera_ids():\n            raise HTTPError(404, 'no such camera')\n        ...\n        if action == 'snapshot':\n            await self.snapshot(camera_id)   # executed without auth\n            return\n        elif action == 'record_start':\n            return self.record_start(camera_id)\n        elif action == 'record_stop':\n            return self.record_stop(camera_id)\n\n        action_commands = config.get_action_commands(local_config)\n        command = action_commands.get(action)\n        ...\n        self.run_command_bg(command)   # executes predefined shell scripts\n```\n\nCompare with other handlers that correctly require authentication:\n\n```python\n@BaseHandler.auth(admin=True)   # ← properly protected\nasync def delete(self, camera_id, filename):\n    ...\n```\n\n## Steps to Reproduce\n\n1. Deploy motionEye with at least one camera configured\n2. Send unauthenticated POST:\n\n```\nPOST /action/1/snapshot HTTP/1.1\nHost: motioneye-host:8765\nContent-Length: 0\n```\n\n3. Observe `{}` (HTTP 200) response — snapshot triggered without any credentials\n\nFor action scripts (`lock`, `unlock`, `alarm_on`, `alarm_off`, `light_on`, etc.):\n```\nPOST /action/1/alarm_on HTTP/1.1\nHost: motioneye-host:8765\n```\n\n## Impact\n\n- Unauthenticated attacker can trigger camera snapshots on demand\n- Unauthenticated attacker can start/stop video recording\n- If action scripts are configured by admin: attacker can trigger PTZ movement, alarm control, lighting changes — physical security bypass\n- Via remote cameras: SSRF by triggering action on a remote motionEye server\n\n## Verification\n\nDynamically confirmed on v0.43.1 in Docker lab — `POST /action/2/snapshot` with no credentials returns HTTP 200 `{}`. Server log shows the action was processed (failed only because motion daemon was not running for the test camera, not due to an auth rejection).\n\n## Recommended Fix\n\n```python\nclass ActionHandler(BaseHandler):\n    @BaseHandler.auth()   # add authentication requirement\n    async def post(self, camera_id, action):\n        ...\n```","status":"published","published":"2026-06-23T18:37:51Z","modified":"2026-06-23T18:37:51Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:40:32.744157Z"}],"nvd":[{"id":"CVE-2026-55863","description":"motionEye (mEye) is an online interface for a piece of software called \"motion,\" which is a video surveillance program with motion detection. Prior to 0.44.0, the ActionHandler.post() method in motioneye/handlers/action.py lacks the BaseHandler.auth() decorator, allowing an unauthenticated remote attacker to send requests to /action/\u003ccamera_id\u003e/\u003caction\u003e. The endpoint can trigger snapshot, record_start, and record_stop actions. When an administrator has configured action scripts, the same endpoint can invoke PTZ controls, alarm actions, lighting actions, and other predefined commands, and configured remote motionEye cameras can allow server-side requests to the remote camera service. This issue is fixed in version 0.44.0.","status":"published","published":"2026-09-15T17:17:22.967Z","modified":"2026-09-30T17:51:56.193Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:12:47.668237Z"}],"osv":[{"id":"CVE-2026-55863","title":"motionEye: Missing authentication on ActionHandler allows unauthenticated camera action execution","description":"motionEye (mEye) is an online interface for a piece of software called \"motion,\" which is a video surveillance program with motion detection. Prior to 0.44.0, the ActionHandler.post() method in motioneye/handlers/action.py lacks the BaseHandler.auth() decorator, allowing an unauthenticated remote attacker to send requests to /action/\u003ccamera_id\u003e/\u003caction\u003e. The endpoint can trigger snapshot, record_start, and record_stop actions. When an administrator has configured action scripts, the same endpoint can invoke PTZ controls, alarm actions, lighting actions, and other predefined commands, and configured remote motionEye cameras can allow server-side requests to the remote camera service. This issue is fixed in version 0.44.0.","status":"published","published":"2026-09-15T16:46:41.756Z","modified":"2026-10-28T02:30:44.614103531Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:45:11.609219Z"},{"id":"GHSA-j67x-q29f-qcvv","title":"motionEye's missing authentication on ActionHandler allows unauthenticated camera action execution","description":"## Summary\n\nThe `ActionHandler.post()` method in motionEye has no authentication decorator, allowing any unauthenticated attacker to trigger camera actions including snapshots, recording start/stop, and configured action scripts (PTZ controls, alarm triggers, etc.).\n\n## Vulnerability Details\n\n**File**: `motioneye/handlers/action.py` — `ActionHandler.post()` line 36\n**CWE**: CWE-862 — Missing Authorization\n**CVSS**: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N = 5.3 Medium\n\n### Vulnerable Code\n\n```python\nclass ActionHandler(BaseHandler):\n    async def post(self, camera_id, action):   # ← NO @BaseHandler.auth() decorator\n        camera_id = int(camera_id)\n        if camera_id not in config.get_camera_ids():\n            raise HTTPError(404, 'no such camera')\n        ...\n        if action == 'snapshot':\n            await self.snapshot(camera_id)   # executed without auth\n            return\n        elif action == 'record_start':\n            return self.record_start(camera_id)\n        elif action == 'record_stop':\n            return self.record_stop(camera_id)\n\n        action_commands = config.get_action_commands(local_config)\n        command = action_commands.get(action)\n        ...\n        self.run_command_bg(command)   # executes predefined shell scripts\n```\n\nCompare with other handlers that correctly require authentication:\n\n```python\n@BaseHandler.auth(admin=True)   # ← properly protected\nasync def delete(self, camera_id, filename):\n    ...\n```\n\n## Steps to Reproduce\n\n1. Deploy motionEye with at least one camera configured\n2. Send unauthenticated POST:\n\n```\nPOST /action/1/snapshot HTTP/1.1\nHost: motioneye-host:8765\nContent-Length: 0\n```\n\n3. Observe `{}` (HTTP 200) response — snapshot triggered without any credentials\n\nFor action scripts (`lock`, `unlock`, `alarm_on`, `alarm_off`, `light_on`, etc.):\n```\nPOST /action/1/alarm_on HTTP/1.1\nHost: motioneye-host:8765\n```\n\n## Impact\n\n- Unauthenticated attacker can trigger camera snapshots on demand\n- Unauthenticated attacker can start/stop video recording\n- If action scripts are configured by admin: attacker can trigger PTZ movement, alarm control, lighting changes — physical security bypass\n- Via remote cameras: SSRF by triggering action on a remote motionEye server\n\n## Verification\n\nDynamically confirmed on v0.43.1 in Docker lab — `POST /action/2/snapshot` with no credentials returns HTTP 200 `{}`. Server log shows the action was processed (failed only because motion daemon was not running for the test camera, not due to an auth rejection).\n\n## Recommended Fix\n\n```python\nclass ActionHandler(BaseHandler):\n    @BaseHandler.auth()   # add authentication requirement\n    async def post(self, camera_id, action):\n        ...\n```","status":"published","published":"2026-06-23T18:37:51Z","modified":"2026-07-13T16:43:03.50306052Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:46:49.977351Z"},{"id":"PYSEC-2026-2665","title":"motionEye's missing authentication on ActionHandler allows unauthenticated camera action execution","description":"## Summary\n\nThe `ActionHandler.post()` method in motionEye has no authentication decorator, allowing any unauthenticated attacker to trigger camera actions including snapshots, recording start/stop, and configured action scripts (PTZ controls, alarm triggers, etc.).\n\n## Vulnerability Details\n\n**File**: `motioneye/handlers/action.py` — `ActionHandler.post()` line 36\n**CWE**: CWE-862 — Missing Authorization\n**CVSS**: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N = 5.3 Medium\n\n### Vulnerable Code\n\n```python\nclass ActionHandler(BaseHandler):\n    async def post(self, camera_id, action):   # ← NO @BaseHandler.auth() decorator\n        camera_id = int(camera_id)\n        if camera_id not in config.get_camera_ids():\n            raise HTTPError(404, 'no such camera')\n        ...\n        if action == 'snapshot':\n            await self.snapshot(camera_id)   # executed without auth\n            return\n        elif action == 'record_start':\n            return self.record_start(camera_id)\n        elif action == 'record_stop':\n            return self.record_stop(camera_id)\n\n        action_commands = config.get_action_commands(local_config)\n        command = action_commands.get(action)\n        ...\n        self.run_command_bg(command)   # executes predefined shell scripts\n```\n\nCompare with other handlers that correctly require authentication:\n\n```python\n@BaseHandler.auth(admin=True)   # ← properly protected\nasync def delete(self, camera_id, filename):\n    ...\n```\n\n## Steps to Reproduce\n\n1. Deploy motionEye with at least one camera configured\n2. Send unauthenticated POST:\n\n```\nPOST /action/1/snapshot HTTP/1.1\nHost: motioneye-host:8765\nContent-Length: 0\n```\n\n3. Observe `{}` (HTTP 200) response — snapshot triggered without any credentials\n\nFor action scripts (`lock`, `unlock`, `alarm_on`, `alarm_off`, `light_on`, etc.):\n```\nPOST /action/1/alarm_on HTTP/1.1\nHost: motioneye-host:8765\n```\n\n## Impact\n\n- Unauthenticated attacker can trigger camera snapshots on demand\n- Unauthenticated attacker can start/stop video recording\n- If action scripts are configured by admin: attacker can trigger PTZ movement, alarm control, lighting changes — physical security bypass\n- Via remote cameras: SSRF by triggering action on a remote motionEye server\n\n## Verification\n\nDynamically confirmed on v0.43.1 in Docker lab — `POST /action/2/snapshot` with no credentials returns HTTP 200 `{}`. Server log shows the action was processed (failed only because motion daemon was not running for the test camera, not due to an auth rejection).\n\n## Recommended Fix\n\n```python\nclass ActionHandler(BaseHandler):\n    @BaseHandler.auth()   # add authentication requirement\n    async def post(self, camera_id, action):\n        ...\n```","status":"published","published":"2026-07-13T15:46:23.552091Z","modified":"2026-07-13T16:32:39.6302464Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:52:55.961245Z"}]}}