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CVE-2026-86342 MISP Freetext Feed Preview Improper Authorization Exposes Restricted Event and Feed Information

🗓️ 07 Sep 2026 09:02:55Reported by CIRCLType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

Affected versions of MISP contain improper authorization checks in the freetext feed preview functionality. The preview performed correlation lookups against attributes from events without applying the requesting user's ACL, allowing restricted ev...

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-86342
7 Sep 202610:00
circl
cve
CVE
CVE-2026-86342
7 Sep 202609:02
cve
euvd
EUVD
EUVD-2026-72319
7 Sep 202609:02
euvd
nvd
NVD
CVE-2026-86342
7 Sep 202609:17
nvd
ptsecurity
Positive Technologies
PT-2026-86663
7 Sep 202600:00
ptsecurity
[
  {
    "defaultStatus": "unaffected",
    "product": "MISP",
    "repo": "https://github.com/MISP/MISP",
    "vendor": "MISP",
    "versions": [
      {
        "lessThanOrEqual": "2.5.45",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      }
    ]
  }
]

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07 Sep 2026 09:06Current
CVSS 45.3
5