CVE-2026-54754

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Source
https://cve.org/CVERecord?id=CVE-2026-54754
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-54754.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-54754
Aliases
Published
2026-08-28T16:20:06.585Z
Modified
2026-08-30T03:46:43.059527516Z
Severity
  • 9.6 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H CVSS Calculator
Summary
Klever-Go: Marketplace settlement mints KLV when referral % + royalty % exceed the bid (negative seller share silently skipped)
Details

Klever-Go is the Go implementation of the Klever blockchain protocol. Prior to 1.7.19, marketplace settlement in core/kapp/market/market.go reads MarketOrderData.ReferralPercentage from the listing while reading asset.Royalties.MarketPercentage live at purchase time. An asset owner can create a valid listing and then use AssetTrigger UpdateRoyalties to make the combined referral and royalty percentages exceed the bid. executeBuyMarket pays referral and royalty amounts unconditionally while computeMarketOwnerAmount silently skips a nonpositive seller remainder, allowing MarketBuy, BuyItNow, or auction Claim settlement to credit more KLV or sale currency than the buyer paid. This can create unbacked currency and corrupt token supply integrity. This issue is fixed in version 1.7.19.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/54xxx/CVE-2026-54754.json",
    "cwe_ids": [
        "CWE-191",
        "CWE-367",
        "CWE-682"
    ],
    "cna_assigner": "GitHub_M"
}
References

Affected packages

Git / github.com/klever-io/klever-go

Affected ranges

Type
GIT
Repo
https://github.com/klever-io/klever-go
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
8bcc600b0ac88070740c63c7ce1c8a968dd85251
Database specific
Show details 
{
    "source": [
        "AFFECTED_FIELD",
        "REFERENCES"
    ],
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "1.7.19"
        }
    ]
}

Affected versions

v1.*
v1.7.14
v1.7.15
v1.7.16
v1.7.17
v1.7.18

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-54754.json"