{"id":"CVE-2026-61422","aliases":["EUVD-2026-63836","GHSA-m6q9-qcp6-22cf"],"status":"published","title":"Apache CloudStack: Authenticated pre-validation SSRF in registerTemplate","description":"Authenticated pre-validation SSRF vulnerability in Apache CloudStack's template and ISO registration functionality.\n\nWhen registering a template or ISO, CloudStack makes a live HTTP HEAD/GET call to determine file size for secondary storage usage-limit checks, and this happens before URL validation is performed. However, this does not pose a malicious template or ISO registration risk, as URL validation still occurs prior to the actual download by the Secondary Storage VM.This issue affects Apache CloudStack: in 4.20.3.0 and from 4.21.0.0 through 4.22.1.0.\n\nUsers are recommended to upgrade to version 4.20.3.1 or 4.22.1.1 or later, which fixes the issue.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00415,"percentile":0.36171,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-918"],"published":"2026-08-21T08:24:38Z","modified":"2026-11-08T02:47:39Z","products":[{"vendor":"apache","product":"cloudstack"},{"vendor":"apache software foundation","product":"apache cloudstack"}],"references":[{"url":"https://lists.apache.org/thread/g6cwddtjrwbh1d56wjz4cfp3fzfm4kbc","tags":["vendor-advisory","Mailing List","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-61422","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-m6q9-qcp6-22cf"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/61xxx/CVE-2026-61422.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-61422","title":"Apache CloudStack: Authenticated pre-validation SSRF in registerTemplate","description":"Authenticated pre-validation SSRF vulnerability in Apache CloudStack's template and ISO registration functionality.\n\nWhen registering a template or ISO, CloudStack makes a live HTTP HEAD/GET call to determine file size for secondary storage usage-limit checks, and this happens before URL validation is performed. However, this does not pose a malicious template or ISO registration risk, as URL validation still occurs prior to the actual download by the Secondary Storage VM.This issue affects Apache CloudStack: in 4.20.3.0 and from 4.21.0.0 through 4.22.1.0.\n\nUsers are recommended to upgrade to version 4.20.3.1 or 4.22.1.1 or later, which fixes the issue.","status":"published","published":"2026-08-21T08:24:38.323Z","modified":"2026-08-24T17:03:52.112Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:19:53.4444Z"}],"euvd":[{"id":"EUVD-2026-63836","description":"Authenticated pre-validation SSRF vulnerability in Apache CloudStack's template and ISO registration functionality.\n\nWhen registering a template or ISO, CloudStack makes a live HTTP HEAD/GET call to determine file size for secondary storage usage-limit checks, and this happens before URL validation is performed. However, this does not pose a malicious template or ISO registration risk, as URL validation still occurs prior to the actual download by the Secondary Storage VM.This issue affects Apache CloudStack: in 4.20.3.0 and from 4.21.0.0 through 4.22.1.0.\n\nUsers are recommended to upgrade to version 4.20.3.1 or 4.22.1.1 or later, which fixes the issue.","status":"published","published":"2026-08-21T08:24:38Z","modified":"2026-08-24T17:03:52Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T18:01:34.563496Z"}],"ghsa":[{"id":"GHSA-m6q9-qcp6-22cf","title":"Authenticated pre-validation SSRF vulnerability in Apache CloudStack's template and ISO...","description":"Authenticated pre-validation SSRF vulnerability in Apache CloudStack's template and ISO registration functionality.\n\nWhen registering a template or ISO, CloudStack makes a live HTTP HEAD/GET call to determine file size for secondary storage usage-limit checks, and this happens before URL validation is performed. However, this does not pose a malicious template or ISO registration risk, as URL validation still occurs prior to the actual download by the Secondary Storage VM.This issue affects Apache CloudStack: in 4.20.3.0 and from 4.21.0.0 through 4.22.1.0.\n\nUsers are recommended to upgrade to version 4.20.3.1 or 4.22.1.1 or later, which fixes the issue.","status":"published","published":"2026-08-21T09:32:05Z","modified":"2026-08-24T18:32:50Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T15:10:54.733778Z"}],"nvd":[{"id":"CVE-2026-61422","description":"Authenticated pre-validation SSRF vulnerability in Apache CloudStack's template and ISO registration functionality.\n\nWhen registering a template or ISO, CloudStack makes a live HTTP HEAD/GET call to determine file size for secondary storage usage-limit checks, and this happens before URL validation is performed. However, this does not pose a malicious template or ISO registration risk, as URL validation still occurs prior to the actual download by the Secondary Storage VM.This issue affects Apache CloudStack: in 4.20.3.0 and from 4.21.0.0 through 4.22.1.0.\n\nUsers are recommended to upgrade to version 4.20.3.1 or 4.22.1.1 or later, which fixes the issue.","status":"published","published":"2026-08-21T09:16:39.84Z","modified":"2026-10-16T15:10:00.103Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:12:40.665005Z"}],"osv":[{"id":"CVE-2026-61422","title":"Apache CloudStack: Authenticated pre-validation SSRF in registerTemplate","description":"Authenticated pre-validation SSRF vulnerability in Apache CloudStack's template and ISO registration functionality.\n\nWhen registering a template or ISO, CloudStack makes a live HTTP HEAD/GET call to determine file size for secondary storage usage-limit checks, and this happens before URL validation is performed. However, this does not pose a malicious template or ISO registration risk, as URL validation still occurs prior to the actual download by the Secondary Storage VM.This issue affects Apache CloudStack: in 4.20.3.0 and from 4.21.0.0 through 4.22.1.0.\n\nUsers are recommended to upgrade to version 4.20.3.1 or 4.22.1.1 or later, which fixes the issue.","status":"published","published":"2026-08-21T08:24:38.323Z","modified":"2026-11-08T02:47:39.317660134Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-918"],"updated_at":"2026-11-08T03:29:52.421856Z"}]}}