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CVE-2026-85602

🗓️ 04 Sep 2026 11:30:04Reported by VulnCheckType 
cve
 cve
🔗 web.nvd.nist.gov👁 33 Views🌐 WEB

Grav Form Plugin 8.0.6-9.1.19 reCAPTCHA v3 bypass via v2 field key mismatch.

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Detection
Affected
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Vulners
CNA
Node
[
  {
    "vendor": "getgrav",
    "product": "grav-plugin-form",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "9.1.20"
      },
      {
        "version": "9.1.20",
        "status": "unaffected",
        "versionType": "semver"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
g-recaptcha-responserequest body/The Grav Form plugin fails to properly validate reCAPTCHA versions by relying on the presence of specific field keys in the request body. An attacker can bypass reCAPTCHA v3 protections by submitting a v3 token under the v2 field name 'g-recaptcha-response'.CWE-807
tokenrequest body/The Grav Form plugin fails to properly validate reCAPTCHA versions by relying on the presence of specific field keys in the request body. An attacker can bypass reCAPTCHA v3 protections by submitting a v3 token under the v2 field name 'g-recaptcha-response'.CWE-807

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08 Sep 2026 20:05Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.15.3
CVSS 49.3
EPSS0.0036
SSVC
33