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CVE-2026-50281 Craft CMS: Mass assignment via id in newAttributes during bulk duplicate overwrites existing elements

🗓️ 02 Jul 2026 16:02:14Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 59 Views

Craft CMS bulk duplicate flaw overwrites a victim entry with an arbitrary id via newAttributes; fixed in 5.9.21.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-50281
2 Jul 202616:02
–attackerkb
circl
Circl
CVE-2026-50281
3 Jul 202608:40
–circl
cve
CVE
CVE-2026-50281
2 Jul 202616:02
–cve
euvd
EUVD
EUVD-2026-41409
2 Jul 202616:02
–euvd
github
Github Security Blog
Craft CMS's mass assignment via id in newAttributes during bulk duplicate overwrites existing elements
2 Jul 202620:03
–github
mend
Mend
CVE-2026-50281
2 Jul 202616:02
–mend
nvd
NVD
CVE-2026-50281
2 Jul 202617:17
–nvd
osv
OSV
GHSA-X5M4-G2CQ-52PQ Craft CMS's mass assignment via id in newAttributes during bulk duplicate overwrites existing elements
2 Jul 202620:03
–osv
ptsecurity
Positive Technologies
PT-2026-55265
2 Jul 202600:00
–ptsecurity
ptsecurity
Positive Technologies
PT-2026-55425
2 Jul 202600:00
–ptsecurity
Rows per page
[
  {
    "vendor": "craftcms",
    "product": "cms",
    "versions": [
      {
        "version": ">= 5.7.0, < 5.9.21",
        "status": "affected"
      }
    ]
  }
]

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