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CVE-2026-52769

🗓️ 04 Sep 2026 23:40:58Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 53 Views🌐 WEB

Unauthenticated SSRF in YesWiki 4.6.2-4.6.6 via ActivityPub HTTP Signature keyId URL.

Related
Detection
Affected
Refs
Paths
Vulners
Node
yeswikiyeswikiRange4.6.2–4.6.6
[
  {
    "vendor": "YesWiki",
    "product": "yeswiki",
    "versions": [
      {
        "version": ">= 4.6.2, < 4.6.6",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
keyIdheader/api/forms/{formId}/actor/inboxPublicly exposed POST /api/forms/{formId}/actor/inbox that accepts an HTTP Signature header with a URL in the keyId parameter, causing the server to perform a server-side GET to arbitrary external URLs.CWE-918

Data

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08 Sep 2026 21:05Current
6Medium risk
Vulners AI Score6
CVSS 3.18.3
EPSS0.00487
SSVC
53