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CVE-2026-103858 MISP Incomplete Thread Authorization Allows Unauthorized Read and Post Access to Discussions

🗓️ 01 Oct 2026 11:31:32Reported by CIRCLType 
cvelist
 cvelist
🔗 www.cve.org👁 7 Views

Authenticated user in MISP can read or post to threads via incomplete authorization.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-103858
1 Oct 202611:31
–cve
euvd
EUVD
EUVD-2026-90770
1 Oct 202611:31
–euvd
nvd
NVD
CVE-2026-103858
1 Oct 202612:17
–nvd
[
  {
    "cpes": [
      "cpe:2.3:a:misp:misp:*:*:*:*:*:*:*:*"
    ],
    "modules": [
      "PostsController (discussion/thread posting)"
    ],
    "product": "MISP",
    "programFiles": [
      "app/Controller/PostsController.php"
    ],
    "repo": "https://github.com/MISP/MISP",
    "vendor": "MISP",
    "versions": [
      {
        "lessThan": "2.5.48",
        "status": "affected",
        "version": "unspecified",
        "versionType": "semver"
      }
    ]
  }
]

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