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EUVD-2026-102202

🗓️ 15 Oct 2026 17:05:41Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 4 Views

Remote attacker can edit, delete, or reply to federated posts in Discourse ActivityPub.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-55103
15 Oct 202617:24
–circl
cve
CVE
CVE-2026-55103
15 Oct 202617:05
–cve
cvelist
Cvelist
CVE-2026-55103 Discourse ActivityPub: Fix inbound actor validation and apply outbound request SSRF hardening
15 Oct 202617:05
–cvelist
nvd
NVD
CVE-2026-55103
15 Oct 202618:17
–nvd
ptsecurity
Positive Technologies
PT-2026-115065
15 Oct 202600:00
–ptsecurity
[
  {
    "enisaIdVendor": [
      {
        "id": "8c6267a6-72a6-3eb5-bae8-46e9b45c4ba1",
        "vendor": {
          "name": "discourse"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "f2a60888-dd12-3334-b785-f8a571b564f5",
        "product": {
          "name": "discourse-activity-pub",
          "vendor": {
            "name": "discourse"
          }
        },
        "product_version": "< 1c8518b0f2abdf31cbea3e0b242f74d8994a9ba5"
      }
    ]
  }
]

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