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CVE-2026-40263

🗓️ 05 Jun 2026 19:45:11Reported by redhat.comType 
redhatcve
 redhatcve
🔗 access.redhat.com👁 4 Views

CVE-2026-40263: Login timing leaks username validity, enabling unauthenticated enumeration; fixed in 0.19.2.

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Refs
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Note Mark: Username Enumeration via Login Endpoint Timing Side-Channel
13 Apr 202619:31
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17 Apr 202601:17
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13 Apr 202619:31
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PT-2026-32119
11 Apr 202600:00
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17 Apr 202601:40
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05 Jun 2026 19:45Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.13.7
EPSS0.00041
SSVC
4