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CVE-2026-63466

🗓️ 21 Aug 2026 18:21:46Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 32 Views🌐 WEB

Unleash before 8.0.3 disables Mustache escaping enabling link injection in notification channels.

Related
Detection
Affected
Refs
Paths
Vulners
[
  {
    "vendor": "Unleash",
    "product": "unleash",
    "versions": [
      {
        "version": "< 8.0.3",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
usernamenestedemail-service.tsMustache.escape override disables escaping for subsequent Mustache.render calls, enabling injection of attacker-controlled links into outbound email notifications.CWE-116
usernamenestedwebhook.tsMustache rendering for webhooks can be poisoned via an overridden escape function, allowing attacker-labeled links in outbound webhook notifications.CWE-116
usernamenesteddatadog.tsDatadog sink may render unescaped content due to Mustache.escape being overridden, enabling attacker-controlled links in notifications.CWE-116
usernamenestednew-relic.tsNew Relic sink rendering can be compromised by the same Mustache.escape override, permitting attacker-labeled links in outbound notifications.CWE-116

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09 Sep 2026 21:20Current
5.4Medium risk
Vulners AI Score5.4
CVSS 3.14.1
EPSS0.00319
SSVC
32