theo

Theo Obsolete, not maintained anymore, don't install it, don't use it, you were warned! Theo aims to be an exploitation framework and a blockchain recon and interaction tool. Features: Automatic smart contract scanning which generates a list of possible exploits. Sending transactions to exploit a...

CVE-2026-114117

Vyper 0.3.8 through 0.5.0b1 contains an optimizer miscompilation in which msg.value | K or lenmsg.data | K, where K is any nonzero integer literal, is compiled to the constant 1 when used as a ternary expression branch under -O gas the default or -O codesize. Affected contracts use the wrong valu...

Malicious code in eth-gas-oracle (RubyGems)

Source: amazon-inspector 0f6cd8a676acbc17559b87ede98a030f26837472a482763f1e8a4818da65659d The gem's native extension build script ext/extconf.rb base64-decodes an embedded Ruby payload and executes it via eval inside a double-forked, detached child during gem install. The decoded payload opens a...

Malicious code in gas-refuel-bridge (RubyGems)

Source: amazon-inspector 37bd99ebd0f028669dafee3405a3ac4ebb9e264b7d9bfce963e68b259dfe88a3 The gem's native extension build script extconf.rb base64-decodes an embedded Ruby payload and eval's it during gem install. The payload double-forks a detached background process that sleeps for 20-40 minut...

MAL-2026-17786 Malicious code in eth-gas-oracle (RubyGems)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 0f6cd8a676acbc17559b87ede98a030f26837472a482763f1e8a4818da65659d The gem's native extension build script ext/extconf.rb base64-decodes an embedded Ruby payload and executes it via eval inside a double-forked,...

Malicious code in gas-refuel-bridge (RubyGems)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 37bd99ebd0f028669dafee3405a3ac4ebb9e264b7d9bfce963e68b259dfe88a3 The gem's native extension build script extconf.rb base64-decodes an embedded Ruby payload and eval's it during gem install. The payload double-forks...

MAL-2026-17788 Malicious code in gas-refuel-bridge (RubyGems)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 37bd99ebd0f028669dafee3405a3ac4ebb9e264b7d9bfce963e68b259dfe88a3 The gem's native extension build script extconf.rb base64-decodes an embedded Ruby payload and eval's it during gem install. The payload double-forks...

mpp vulnerable to Gas Draining with low gas limit

Vulnerability When the server acts as the fee payer, mpp Elixir 0.4.0 ZenHive/mpp does not validate whether the gaslimit set by the client is enough before broadcasting. A malicious client can drain the server's gas without paying. A transferWithMemo call on Tempo Moderato testnet requires 51,299...

GHSA-VJ8P-HP9X-GH47 mpp vulnerable to Gas Draining with low gas limit

Vulnerability When the server acts as the fee payer, mpp Elixir 0.4.0 ZenHive/mpp does not validate whether the gaslimit set by the client is enough before broadcasting. A malicious client can drain the server's gas without paying. A transferWithMemo call on Tempo Moderato testnet requires 51,299...

GHSA-QPXH-FF8M-C62V mpp vulnerable to Gas Draining with access list

Details When the server acts as the feepayer, mpp Elixir 0.4.0 copies the client-supplied EIP-2930 access list verbatim into the cosigned fee-payer transaction. In cosignfeepayer, the server re-signs the raw basefields index 5 of the 0x76 AASigned envelope without inspecting the access list field...

mpp vulnerable to Gas Draining with access list

Details When the server acts as the feepayer, mpp Elixir 0.4.0 copies the client-supplied EIP-2930 access list verbatim into the cosigned fee-payer transaction. In cosignfeepayer, the server re-signs the raw basefields index 5 of the 0x76 AASigned envelope without inspecting the access list field...

mpp vulnerable to Gas Draining with no limit

Details When the server acts as the feepayer, the mpp Elixir 0.4.0 does not validate gaslimit, maxfeepergas and maxpriorityfeepergas before cosigning the client's fee-payer transaction. A malicious client embeds arbitrarily large maxfeepergas and maxpriorityfeepergas values in the signed envelope...

GHSA-VV77-66RF-PM86 mpp vulnerable to Gas Draining with no limit

Details When the server acts as the feepayer, the mpp Elixir 0.4.0 does not validate gaslimit, maxfeepergas and maxpriorityfeepergas before cosigning the client's fee-payer transaction. A malicious client embeds arbitrarily large maxfeepergas and maxpriorityfeepergas values in the signed envelope...

mppx: Gas Draining with access list

Details When the server acts as the feepayer, mppx 0.6.27 copies the client-supplied EIP-2930 access list verbatim into the cosigned fee-payer transaction. The TypeScript SDK's fee-payer cosigning path accepts any accesslist the client includes in the 0x78 FeePayerEnvelope without inspecting its...

NPM: mppx: Gas Draining with access list

NPM: mppx: Gas Draining with access list vulnerability discovered by ? in WordPress Npm mppx versions 0.8.2...

GHSA-VC9J-9WPH-QGHJ mppx: Gas Draining with access list

Details When the server acts as the feepayer, mppx 0.6.27 copies the client-supplied EIP-2930 access list verbatim into the cosigned fee-payer transaction. The TypeScript SDK's fee-payer cosigning path accepts any accesslist the client includes in the 0x78 FeePayerEnvelope without inspecting its...

GHSA-727H-3VM5-QWQ6 mppx: Gas Draining with padding

Details When the server acts as the feepayer, mppx 0.6.27 validates calldata using viem's decodeFunctionData, which is lenient about trailing bytes. The FeePayerPolicy caps gaslimit ≤ 2 M and maxfeepergas ≤ 100 Gwei but does not check calldata length. Tempo uses legacy calldata gas pricing: 16 ga...

mppx: Gas Draining with padding

Details When the server acts as the feepayer, mppx 0.6.27 validates calldata using viem's decodeFunctionData, which is lenient about trailing bytes. The FeePayerPolicy caps gaslimit ≤ 2 M and maxfeepergas ≤ 100 Gwei but does not check calldata length. Tempo uses legacy calldata gas pricing: 16 ga...

NPM: mppx: Gas Draining with padding

NPM: mppx: Gas Draining with padding vulnerability discovered by ? in WordPress Npm mppx versions 0.8.1...

CVE-2026-63627

mppx is a TypeScript interface for machine payments protocol. Prior to 0.8.2, FeePayerPolicy in src/tempo/internal/fee-payer.ts used decodeFunctionData to validate fee-sponsored calldata but did not reject trailing bytes. A client could append nonzero padding that increased intrinsic calldata gas...