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Time-of-check Time-of-use (TOCTOU) Race Condition

🗓️ 23 Feb 2026 22:16:01Reported by Snyk Security DatabaseType 
snyk
 snyk
🔗 security.snyk.io👁 5 Views

Time of check time of use race in craftcms validateHostname enables DNS rebinding to fetch cloud credentials; upgrade to 4.16.19 or 5.8.23.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-27127
24 Feb 202602:39
attackerkb
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ATTACKERKB
CVE-2026-27129
24 Feb 202602:45
attackerkb
circl
Circl
CVE-2025-68437
3 Jan 202622:19
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CVE-2026-27127
24 Feb 202605:42
circl
cnnvd
CNNVD
Craft CMS 代码问题漏洞
5 Jan 202600:00
cnnvd
cnnvd
CNNVD
Craft CMS 安全漏洞
24 Feb 202600:00
cnnvd
cve
CVE
CVE-2025-68437
5 Jan 202621:52
cve
cve
CVE
CVE-2026-27127
24 Feb 202602:39
cve
cvelist
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CVE-2025-68437 Craft CMS vulnerable to Server-Side Request Forgery (SSRF) via GraphQL Asset Upload Mutation
5 Jan 202621:52
cvelist
cvelist
Cvelist
CVE-2026-27127 Craft CMS has Cloud Metadata SSRF Protection Bypass via DNS Rebinding
24 Feb 202602:39
cvelist
Rows per page
Vulners
Node
OR
craftcmscraft_cmsRange3.5.04.16.19
craftcmscraft_cmsRange5.0.0-RC15.8.23

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26 Feb 2026 01:18Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.16.3 - 6.8
CVSS 45.9 - 7
EPSS0.00446
SSVC
5