Critical
CVSS 9.3 RCE HackerOne
Disclosure
Disclosure'lar
- [UpdateAccountPermission Exploit](https://[target]/blog/[redacted]-wallet-exploit-updateaccountpermission) - [14,500 Wallets at Risk](https://[target]/news/[redacted]-addresses-risk-silent-hijacking) - [$500M Multisig Vulnerability](https://[target]/news/[redacted]-multis
- Target
- L1 Smart Contract
- Category
- RCE
- Channel
- HackerOne
- Disclosed
- 2026-03
Redaction note
Vendor identity withheld.
This finding is documented here as part of MemCyber’s public disclosure record. The vendor has been anonymized to a sector and region descriptor. Full technical detail — including root cause, reproducible proof-of-concept, remediation guidance, and vendor attribution where granted — is available to qualified prospects under NDA.
Coordinated disclosure
How we handled it.
- Reported to the vendor via HackerOne with a reproducible proof-of-concept.
- Triage + remediation window coordinated with the vendor security team.
- Fix verified before any public reference.
- This record published only after the embargo period closed.