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GHSA-97CV-X867-6XHM Klever-Go Account takeover: `kleverUpdateAccountPermission` authorizes on attacker-controlled `RecipientAddr` instead of the authenticated caller

🗓️ 23 Sep 2026 19:27:08Reported by GoogleType 
osv
 osv🔗 osv.dev👁 1 Views

Description The VM built-in function KleverUpdateAccountPermission (registered always-active, creator.go:381-390 / core/vmconstants.go:234) rewrites an account's entire permission set. Its authorization check uses vmInput.RecipientAddr attacker-co...

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Family
cve
CVE		CVE-2026-82405
23 Sep 202619:27
–cve

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23 Sep 2026 19:30Current
6Medium risk
Vulners AI Score6
CVSS 48.7
1