THREATOPS
THREAT OPSThreat News › [GHSA] GHSA-mrpp-v6pg-p54x (high) — klever-go: SFT add-quantity `int64` overflow bypasses a finite per-nonce MaxSupply

[GHSA] GHSA-mrpp-v6pg-p54x (high) — klever-go: SFT add-quantity `int64` overflow bypasses a finite per-nonce MaxSupply

highgithub_advisoriesPublished 2026-08-28

GHSA-mrpp-v6pg-p54x Severity: high CVE: CVE-2026-55764

klever-go: SFT add-quantity `int64` overflow bypasses a finite per-nonce MaxSupply

## Summary On the SFT add-quantity path the only supply bound is `SFTAddCirculation`, which does `meta.Circulation += amount` with **no overflow guard**, then checks `if meta.Circulation > meta.MaxSupply && meta.MaxSupply != 0`. If `amount` overflows `int64` a

Indicators of compromise

Original source: https://github.com/advisories/GHSA-mrpp-v6pg-p54x