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CVE-2026-58593 NodeBB - ActivityPub Author Spoofing via Unvalidated attributedTo Mapped to Local User

🗓️ 01 Jul 2026 19:27:23Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 11 Views

CVE-2026-58593 lets remote actors forge posts as arbitrary local users by spoofing attributedTo in inbound ActivityPub.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-58593
1 Jul 202619:27
attackerkb
Circl
CVE-2026-58593
1 Jul 202621:30
circl
CVE
CVE-2026-58593
1 Jul 202619:27
cve
EUVD
EUVD-2026-41131
1 Jul 202619:27
euvd
NVD
CVE-2026-58593
1 Jul 202620:17
nvd
[
  {
    "vendor": "NodeBB",
    "product": "NodeBB",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "4.13.2",
        "status": "affected"
      }
    ]
  }
]

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