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CVE-2026-63628

🗓️ 22 Sep 2026 19:09:38Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 21 Views🌐 WEB

mppx before 0.8.2 allows gas draining via unvalidated access_list in fee-payer.ts.

Related
Detection
Affected
Refs
Paths
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-63628
22 Sep 202622:36
–circl
cvelist
Cvelist
CVE-2026-63628 mppx: Gas Draining with access list
22 Sep 202619:09
–cvelist
euvd
EUVD
EUVD-2026-84806
22 Sep 202619:09
–euvd
github
Github Security Blog
mppx: Gas Draining with access list
22 Sep 202620:34
–github
mend
Mend
CVE-2026-63628
22 Sep 202619:09
–mend
nvd
NVD
CVE-2026-63628
22 Sep 202620:17
–nvd
osv
OSV
GHSA-VC9J-9WPH-QGHJ mppx: Gas Draining with access list
22 Sep 202620:34
–osv
patchstack
Patchstack
NPM: mppx: Gas Draining with access list
22 Sep 202620:34
–patchstack
ptsecurity
Positive Technologies
PT-2026-96975
22 Sep 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-63628: Improper Input Validation
22 Sep 202600:00
–rapid7
Rows per page
Vulners
Node
wevmmppxRange<0.8.2
[
  {
    "vendor": "wevm",
    "product": "mppx",
    "versions": [
      {
        "version": "< 0.8.2",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
access_listpathsrc/tempo/internal/fee-payer.tsClient-supplied access_list from a 0x78 FeePayerEnvelope is copied in the fee-payer cosigning path without validating its length or contents, enabling fabricated entries and excessive transaction fees.CWE-20

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24 Sep 2026 15:17Current
5.8Medium risk
Vulners AI Score5.8
CVSS 46.9
EPSS0.00384
SSVC
21