{"vulnerability": "CVE-2020-26217", "sightings": [{"uuid": "e2c60116-2627-409d-8376-1aa437d8d343", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2020-26217", "type": "published-proof-of-concept", "source": "https://t.me/cKure/2849", "content": "\u25a0\u25a0\u25a0\u25a0\u25a1 CVE-2020-26217: XStream can be used for Remote Code Execution.\n\nhttps://x-stream.github.io/CVE-2020-26217.html", "creation_timestamp": "2020-11-16T17:08:15.000000Z"}, {"uuid": "25db6987-6e65-4eb6-b86f-2c32c7ff2922", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2020-26217", "type": "published-proof-of-concept", "source": "https://t.me/GithubRedTeam/61268", "content": "GitHub\u76d1\u63a7\u6d88\u606f\u63d0\u9192\uff01\uff01\uff01 \n\n\u66f4\u65b0\u4e86\uff1a\u53cd\u5e8f\u5217\u5316\n\u63cf\u8ff0\uff1aCVE-2020-26217 XStream\u53cd\u5e8f\u5217\u5316\u7684poc\nURL\uff1ahttps://github.com/Kairo-one/CVE-2020-26217-XStream\n\n\u6807\u7b7e\uff1a#\u53cd\u5e8f\u5217\u5316", "creation_timestamp": "2025-12-01T09:29:25.000000Z"}, {"uuid": "c473bffd-5002-442d-9e0f-608c8946a6b1", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2020-26217", "type": "published-proof-of-concept", "source": "Telegram/T3kChWKGDz1qPZSpta-K5xRrbcgjJUvh35EVMIa5wgYdoLI", "content": "", "creation_timestamp": "2025-12-01T09:00:05.000000Z"}, {"uuid": "7d976833-cad6-4f49-86dc-ea59b0dbbe2c", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2020-26217", "type": "published-proof-of-concept", "source": "https://t.me/CyberSecurityTechnologies/2917", "content": "#Threat_Research\nDocumented Vulnerabilities in XStream + Workarounds\n(PoCs for CVE-2021-21341-21351, CVE-2020-26217, CVE-2020-26258, CVE-2020-26259, CVE-2017-7957, CVE-2016-3674, CVE-2013-7285)\nhttp://x-stream.github.io/security.html", "creation_timestamp": "2021-03-16T11:01:03.000000Z"}, {"uuid": "87a8a6a8-51c6-42bc-8eef-8a6ef9bf02bb", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2020-26217", "type": "published-proof-of-concept", "source": "https://t.me/CyberSecurityTechnologies/2119", "content": "CVE-2020-26217:\nXStream <=1.4.13 can be used for RCE (PoC)\nhttps://x-stream.github.io/CVE-2020-26217.html\nCVE-2020-13942:\nApache Unomi - RCE Vulnerabilities (PoCs)\nhttps://securityboulevard.com/2020/11/apache-unomi-cve-2020-13942-rce-vulnerabilities-discovered\n+ https://github.com/eugenebmx/CVE-2020-13942", "creation_timestamp": "2020-11-23T03:53:17.000000Z"}, {"uuid": "c10b4263-d5a8-4171-8f73-630e32d38962", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2020-26217", "type": "seen", "source": "https://t.me/cibsecurity/16410", "content": "\u203c CVE-2020-26217 \u203c\n\nXStream before version 1.4.14 is vulnerable to Remote Code Execution.The vulnerability may allow a remote attacker to run arbitrary shell commands only by manipulating the processed input stream. Only users who rely on blocklists are affected. Anyone using XStream's Security Framework allowlist is not affected. The linked advisory provides code workarounds for users who cannot upgrade. The issue is fixed in version 1.4.14.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "creation_timestamp": "2020-11-17T00:44:05.000000Z"}]}