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CVE-2026-56423

🗓️ 22 Jun 2026 11:56:26Reported by CIRCLType 
cve
 cve
🔗 web.nvd.nist.gov👁 69 Views🌐 WEB

CVE-2026-56423: Broken access control in MISP bulk delete allows cross‑org deletion of event reports and sharing groups; per‑object checks added.

Related
Detection
Affected
Refs
Paths
ReporterTitlePublishedViews
Family
githubexploit
GithubExploit
Exploit for Missing Authorization in Misp-Project Misp
10 Jul 202601:27
–githubexploit
attackerkb
attackerkb
CVE-2026-56423
22 Jun 202611:56
–attackerkb
circl
Circl
CVE-2026-56423
27 Jun 202611:37
–circl
cvelist
Cvelist
CVE-2026-56423 MISP Core: Broken access control allows instance-wide unauthorized deletion of event reports and sharing groups via bulk deletion endpoints
22 Jun 202611:56
–cvelist
euvd
EUVD
EUVD-2026-38226
22 Jun 202611:56
–euvd
kitploit
Kitploit
CVE-2026-56423-MISP-deleteSelection-BrokenAccessControl
14 Nov 202613:23
–kitploit
mend
Mend
CVE-2026-56423
22 Jun 202611:56
–mend
ncsc
NCSC
Vulnerabilities handled in the MISP platform
29 Jun 202608:08
–ncsc
nvd
NVD
CVE-2026-56423
22 Jun 202614:17
–nvd
ptsecurity
Positive Technologies
PT-2026-51307
22 Jun 202600:00
–ptsecurity
Rows per page
NVD
Node
misp-projectmispRange<2.5.42
[
  {
    "defaultStatus": "unaffected",
    "product": "misp",
    "repo": "https://github.com/MISP/misp",
    "vendor": "misp",
    "versions": [
      {
        "lessThanOrEqual": "2.5.41",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
idpath/EventReports/deleteSelectionBroken access control in the bulk deletion flow for Event Reports. The handler validates the user's global role permission instead of verifying ownership of each individual report ID provided.CWE-862
idpath/SharingGroups/deleteSelectionBroken access control in the bulk deletion flow for Sharing Groups. The handler validates the user's global role permission instead of verifying ownership of each individual sharing group ID provided.CWE-862

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23 Jun 2026 15:16Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.18.8
CVSS 49.4
EPSS0.00469
SSVC
69