# Citrix urges admins to patch new NetScaler flaws as soon as possible

> **Newsylist Open Intelligence Dossier** · First detected: 2026-08-21 04:29 UTC · Category: Technology · Sources: 5 · Current Velocity: 2.8

## Multi-Source Evidence Table
| Source Outlet | Headline | Published (UTC) | Verification URL |
|---|---|---|---|
| CyberWire | Citrix urges immediate patching of two newly disclosed vulnerabilities. | 2026-08-20 12:14 | [Source Link](https://news.google.com/rss/articles/CBMiakFVX3lxTE52ZmUwdG1oUmJITHRncHExSGRQMzBDMFdYZkozVnk3Qm1nRGVkTS1sTXllVTFaQldHSm1qNmUzdmlTVE92V0Nsb1FDOFg3cnhxN3hsS3pJY0FaYi10RXlQNjRGMHNRbjNKZFE?oc=5) |
| watchTowr Labs | You’re Back In The Room (Citrix NetScaler Pre-Auth RCE CVE-2026-8452(?)) | 2026-08-20 12:14 | [Source Link](https://news.google.com/rss/articles/CBMimgFBVV95cUxOLTNQSGhfa3JWaWloRXExUjdIWlNhbE9UQjlfbnBhLWZTVnI4a2FfUHJJZUE0cC11TGdmTU9yREh5amNsd25fUWVwWkR1Sm1jUHJyN1V1blV4OUZZeWJQcElJczdqMTJkS25ncWl5X21MUVlQYW5wSjVONFBvWmZXdDR4NkZqa1ZnNlhrNUVLM1JYejltLWVsNHZn?oc=5) |
| The Hacker News | Critical NetScaler Flaw Can Bypass Authentication on Certain Gateway and AAA Servers | 2026-08-20 12:14 | [Source Link](https://news.google.com/rss/articles/CBMifkFVX3lxTE96OGxJMXU5R0hULWFBUDkwNFV3cDVuMFkzQ2dWWVhXclh3VTltS0dtcmJHd051bkdrSS1FeXNZb0l1d1poblZHMDBsSmFfeGFRZVBPeVg5WmtrWmhkUEgzMjlwaklmTkprcTd3M0pyWmlvMlR5em5YVDVVb2dPZw?oc=5) |
| Rapid7 | CVE-2026-19490: Critical Vulnerability Affecting Citrix NetScaler ADC and NetScaler Gateway | 2026-08-20 12:14 | [Source Link](https://news.google.com/rss/articles/CBMixwFBVV95cUxNTkhtZzVEV1ZZRlpfRTF1eHRlejNQeXc2YmJibXRmeVJfcm9oNDdhV2I0bzNWMnhuQ3QwLURtMjBNTmlnZFo5OF8xdFhDRzB6Mml2STM5R1lwajNQUHJCd3YwYzMzZUV4NFJTelJyalBaLTZuZUIwVy1SMUpua2doZVhOOThaQlJ1X2dQamt4WGN4dHZwVnltOUVETkR2bG5tQnhRM3Y5dGI0Y0NtbndXdlpZNFlnOC16bGExSXlvRjc1OUpmT2tz?oc=5) |
| BleepingComputer | Citrix urges admins to patch new NetScaler flaws as soon as possible | 2026-08-20 12:14 | [Source Link](https://news.google.com/rss/articles/CBMitwFBVV95cUxNVE9Bem5WOF9PTWhWcmsycFN1SXI1WkhTVTFjT2pyUnpGUEFDd0szWERKcVBCekNCcXBKX3ptVkF5Wks3RjNUS0VqWDZha0F5YVdMVm0wQWI2LWlHUXR0WlJxQklGeVZLaWNKUWljX2JKNDRhX0Njc2ZJZWR1SmkyWHNxNktiZVpvSzlVRE9pV3Bqa2hSUUlFYl9CS3o4Q0wxNzJYZ2xiQ2E4MUlTZ0lCUDRfTzRxblnSAbwBQVVfeXFMT0FOc0RWUHJUbDZ0WkcyMmhyOXZwc0UwQjZubVdlNWNKYnRpUjI0V2dsYjIwYklnSDFmU29nTHNJM2pOZFY3elV2ZzBYcmprdDVoR1M0WlNzZW9xUkpocDc4ZjdLYVVWRDhSNDdWOVoyQklDX05tOXpwQWlFNW5QZnYwTlhUVi1uaEh2cnBveGdaaGlpdzRjTWI5dUd) |

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*Canonical Source: https://www.newsylist.com/trend/2026-08-21/citrix-urges-admins-to-patch-new-netscaler-flaws-as-soon-as-possible*
*Synthesized by Newsylist Open Intelligence Engine under E-E-A-T journalistic standards.*