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CVE-2026-46349 Mastodon: LD-Signature Bypass via JSON-LD Named-Graph Restructuring

🗓️ 24 Jun 2026 19:40:35Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 25 Views

Mastodon LD-Signature bypass enables reordering of signed JSON-LD activities; fixed in updates.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-46349
24 Jun 202619:40
attackerkb
cve
CVE
CVE-2026-46349
24 Jun 202619:40
cve
euvd
EUVD
EUVD-2026-39054
24 Jun 202619:40
euvd
nvd
NVD
CVE-2026-46349
24 Jun 202620:16
nvd
osv
OSV
BIT-MASTODON-2026-46349 Mastodon: LD-Signature Bypass via JSON-LD Named-Graph Restructuring
6 Jul 202605:55
osv
ptsecurity
Positive Technologies
PT-2026-52078
24 Jun 202600:00
ptsecurity
vulnrichment
Vulnrichment
CVE-2026-46349 Mastodon: LD-Signature Bypass via JSON-LD Named-Graph Restructuring
24 Jun 202619:40
vulnrichment
[
  {
    "vendor": "mastodon",
    "product": "mastodon",
    "versions": [
      {
        "version": ">= 4.5.0-beta.1, < 4.5.10",
        "status": "affected"
      }
    ]
  }
]

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