{"id":"CVE-2021-26558","aliases":["EUVD-2021-13357","GHSA-w8p9-6h94-xwwm"],"status":"published","title":"Deserialization of Untrusted Data","description":"Deserialization of Untrusted Data vulnerability of Apache ShardingSphere-UI allows an attacker to inject outer link resources. This issue affects Apache ShardingSphere-UI Apache ShardingSphere-UI version 4.1.1 and later versions; Apache ShardingSphere-UI versions prior to 5.0.0.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02491,"percentile":0.84761,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2021-11-11T09:35:09Z","modified":"2026-06-17T03:43:28Z","products":[{"vendor":"apache","product":"shardingsphere-ui"},{"vendor":"apache software foundation","product":"apache shardingsphere-ui"}],"references":[{"url":"https://lists.apache.org/thread/4gzkm1zb6c97v9gl8lcz8ll5xr8o484c","tags":["x_refsource_MISC","x_transferred","Mailing List","Vendor Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2021/11/11/1","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-26558"},{"url":"https://github.com/advisories/GHSA-w8p9-6h94-xwwm"}],"sources":{"cve":[{"id":"CVE-2021-26558","title":"Deserialization of Untrusted Data","description":"Deserialization of Untrusted Data vulnerability of Apache ShardingSphere-UI allows an attacker to inject outer link resources. This issue affects Apache ShardingSphere-UI Apache ShardingSphere-UI version 4.1.1 and later versions; Apache ShardingSphere-UI versions prior to 5.0.0.","status":"published","published":"2021-11-11T09:35:09Z","modified":"2024-08-03T20:26:25.54Z","cwes":["CWE-502"],"updated_at":"2026-11-02T14:32:57.033395Z"}],"euvd":[{"id":"EUVD-2021-13357","description":"Deserialization of Untrusted Data vulnerability of Apache ShardingSphere-UI allows an attacker to inject outer link resources. This issue affects Apache ShardingSphere-UI Apache ShardingSphere-UI version 4.1.1 and later versions; Apache ShardingSphere-UI versions prior to 5.0.0.","status":"published","published":"2021-11-11T09:35:09Z","modified":"2024-08-03T20:26:25Z","updated_at":"2026-11-03T03:24:51.40664Z"}],"ghsa":[{"id":"GHSA-w8p9-6h94-xwwm","title":"Deserialization of Untrusted Data vulnerability of Apache ShardingSphere-UI allows an attacker to...","description":"Deserialization of Untrusted Data vulnerability of Apache ShardingSphere-UI allows an attacker to inject outer link resources. This issue affects Apache ShardingSphere-UI Apache ShardingSphere-UI version 4.1.1 and later versions; Apache ShardingSphere-UI versions prior to 5.0.0.","status":"published","published":"2022-05-24T22:01:51Z","modified":"2023-01-30T05:05:13Z","cwes":["CWE-502"],"updated_at":"2026-11-02T14:47:13.441339Z"}],"nvd":[{"id":"CVE-2021-26558","description":"Deserialization of Untrusted Data vulnerability of Apache ShardingSphere-UI allows an attacker to inject outer link resources. This issue affects Apache ShardingSphere-UI Apache ShardingSphere-UI version 4.1.1 and later versions; Apache ShardingSphere-UI versions prior to 5.0.0.","status":"published","published":"2021-11-11T10:15:07.48Z","modified":"2026-06-17T03:43:28.45Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:07:00.984108Z"}]}}