CVSS 4.0
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се по мрежата, без особени условия, с обикновен потребителски вход и без действие от потребителя.
- Експлоатация: няма данни за експлоатация
- Атаката не може да се автоматизира
Описание
Оригинално описание
Klever-Go is the Go implementation of the Klever blockchain protocol. Prior to 1.7.20, the KleverUpdateAccountPermission built-in authorizes replacement of a target account's permissions by checking attacker-controlled vmInput.RecipientAddr instead of authenticated vmInput.CallerAddr. An attacker-controlled contract can choose a victim account with configured permissions as RecipientAddr, and contractHasValidPermission can accept the victim's default self-signer as authorization. UpdatePermission can then replace the victim's entire permission set with attacker-supplied Owner permissions, enabling asset theft or permanent lockout without a victim key or signature. Accounts without stored permissions and the native transaction path are not affected. This issue is fixed in version 1.7.20.
Засегнати продукти
- klever-io klever-go: < 1.7.20
Вид слабост
История
- 23 септември 2026 Публикувано
Други уязвимости в klever-io klever-go
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-82405
- https://nvd.nist.gov/vuln/detail/CVE-2026-82405
- https://github.com/klever-io/klever-go/security/advisories/GHSA-97cv-x867-6xhm
- https://github.com/klever-io/klever-go/commit/c58740eb74d7ee8f07db1e18a7d6214b5559ba32
- https://gist.github.com/mabdullah22/a41f90aa5ba86bbebf121f739bd5f5e9
- https://github.com/klever-io/klever-go/releases/tag/v1.7.20