PT-2026-97530

Name of the Vulnerable Software and Affected Versions Klever-Go versions prior to 1.7.20 Description The 'GET /subscribe' endpoint accepts unauthenticated WebSocket clients with permissive origin handling and lacks a live-connection cap or a call to SetReadLimit to bound message size. Additionall...

PT-2026-97538

Name of the Vulnerable Software and Affected Versions Klever-Go versions prior to 1.7.20 Description An issue exists in the KleverUpdateAccountPermission built-in function where the authorization check incorrectly uses the vmInput.RecipientAddr variable instead of the authenticated...

PT-2026-97529

Name of the Vulnerable Software and Affected Versions Klever-Go versions prior to 1.7.20 Description An unauthenticated remote client can connect to the default-open GET /log WebSocket endpoint. The server parses the first client message as a logger Profile and applies it process-wide using the...

CVE-2026-82409: Improper Encoding or Escaping of Output

Klever-Go is the Go implementation of the Klever blockchain protocol. Prior to 1.7.20, indexer/common.go serializedDataForUpdateAccounts places the attacker-controlled acc.Name value into an Elasticsearch bulk JSON and NDJSON request without escaping it. The SetAccountName transaction accepts val...

CVE-2026-82407: Improper Input Validation

Klever-Go is the Go implementation of the Klever blockchain protocol. Prior to 1.7.20, core/kapp/validators/validators.go Register and the runtime validator update path accept a submitted BLSPublicKey without curve, prime-order subgroup, or nonzero validation. When a validator with a malformed ke...

CVE-2026-82406: Improper Enforcement of Behavioral Workflow

Klever-Go is the Go implementation of the Klever blockchain protocol. Prior to 1.7.20, the native marketplace function core/kapp/market/market.go Buy does not check IsClaimed before accepting a bid. A seller can use the Claim seller-accept branch to settle a resting-bid auction while leaving the...

PT-2026-97526

Name of the Vulnerable Software and Affected Versions Klever-Go versions prior to 1.7.20 Description Klever-Go, the Go implementation of the Klever blockchain protocol, fails to perform curve, prime-order subgroup, or nonzero validation on submitted BLSPublicKey during runtime validator...

CVE-2026-86064: Exposure of Sensitive Information to an Unauthorized Actor

Klever-Go is the Go implementation of the Klever blockchain protocol. Prior to 1.7.20, the default-open GET /log WebSocket route configured in config/node/api.yaml and registered by network/api/api.go does not require authentication. The first client message is parsed as a logger Profile in...

CVE-2026-86065: Allocation of Resources Without Limits or Throttling

Klever-Go is the Go implementation of the Klever blockchain protocol. Prior to 1.7.20, the default-open GET /subscribe endpoint in network/api/websocket/routes.go accepts unauthenticated WebSocket clients with permissive origin handling, does not call SetReadLimit to bound message size, and has n...

CVE-2026-82405: Incorrect Authorization

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...

SUSE CVE-2026-54754

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...

SUSE CVE-2026-54755

Klever-Go is the Go implementation of the Klever blockchain protocol. Prior to 1.7.19, split-royalty fields decoded in core/kapp/builtInFunctions/utils.go can contain values greater than core.HundredPercent, and core/kapp/kda/create.go and core/kapp/kda/trigger.go sum those values in uint32...

SUSE CVE-2026-55763

Klever-Go is the Go implementation of the Klever blockchain protocol. Prior to 1.7.19, processPercentageRoyaltiesTransfer in core/kapp/accounts/accounts.go calls SubFromBalance after the split loop and after the royaltiesToPay royaltiesToPay, so a valid PercentTransferPercentage = 10000 split...

SUSE CVE-2026-55764

Klever-Go is the Go implementation of the Klever blockchain protocol. Prior to 1.7.19, Klever-Go allows a mint-role holder to bypass a finite per-nonce MaxSupply on the semi-fungible token add-quantity path. In core/kapp/systemAccount/systemAcount.go, SFTAddCirculation performed meta.Circulation ...

GO-2026-6310 Klever: Integer overflow in split-royalty validation enables unbounded minting of KLV (native token) in github.com/klever-io/klever-go

Klever: Integer overflow in split-royalty validation enables unbounded minting of KLV native token in github.com/klever-io/klever-go...

GO-2026-6330 klever-go: SFT add-quantity `int64` overflow bypasses a finite per-nonce MaxSupply in github.com/klever-io/klever-go

klever-go: SFT add-quantity int64 overflow bypasses a finite per-nonce MaxSupply in github.com/klever-io/klever-go...

GO-2026-6323 klever-go: Percentage-transfer royalty skips the source debit at exactly-100% splits in github.com/klever-io/klever-go

klever-go: Percentage-transfer royalty skips the source debit at exactly-100% splits in github.com/klever-io/klever-go. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing false-positive...

CVE-2026-55764

Klever-Go is the Go implementation of the Klever blockchain protocol. Prior to 1.7.19, Klever-Go allows a mint-role holder to bypass a finite per-nonce MaxSupply on the semi-fungible token add-quantity path. In core/kapp/systemAccount/systemAcount.go, SFTAddCirculation performed meta.Circulation ...

CVE-2026-55763

creationtimestamp| type| source ---|---|--- 2026-08-28 22:35:05+00:00| published-proof-of-concept| https://github.com/klever-io/klever-go/security/advisories/GHSA-v358-wf77-39xv...

CVE-2026-55763

Klever-Go is the Go implementation of the Klever blockchain protocol. Prior to 1.7.19, processPercentageRoyaltiesTransfer in core/kapp/accounts/accounts.go calls SubFromBalance after the split loop and after the royaltiesToPay royaltiesToPay, so a valid PercentTransferPercentage = 10000 split...